European Journal of Inorganic Chemistry最新文献

{"title":"Investigation of Fe(III) Complexes with Aminoguanidine Schiff Base Ligands as Biomimetic Catalysts and Sulphide Sensors","authors":"Anwesha Ghosh,&nbsp;Antu Mondal,&nbsp;Swaraj Sengupta,&nbsp;Zvonko Jagličić,&nbsp;Antonio Frontera,&nbsp;Shyamal Kumar Chattopadhyay","doi":"10.1002/ejic.202400537","DOIUrl":"https://doi.org/10.1002/ejic.202400537","url":null,"abstract":"<p>Two high spin Fe(III) complexes, <b>[Fe(L</b>¹<b>)₂]Cl</b> ⋅ <b>H₂O (1)</b> and <b>[Fe(L</b>²<b>)₂]Cl</b> ⋅ <b>4H₂O</b> ⋅ <b>0.5MeOH (2)</b>, of Schiff base ligands of aminoguanidine with salicylaldehyde and pyridoxal (isolated as the hydrochloride salts <b>L</b>¹<b>H₂</b>^<b>+</b><b>Cl⁻</b> and <b>L</b>²<b>H₃</b>^<b>2+</b><b>Cl⁻</b>_<b>2</b> respectively) are reported. X-ray crystal structure of both the complexes along with their spectroscopic and variable temperature magnetic properties are also investigated. It is found that complex <b>2</b> shows stronger zero field splitting (D=9.5 cm⁻¹) than complex <b>1</b> (D=5.5 cm⁻¹), probably due to greater distortion of the Fe(III) coordination polyhedron in complex <b>2</b>. TD-DFT calculations are used to assign the electronic spectra of the complexes. Both the ligands show fluorescence at 450–460 nm with lifetime of nanosecond order and quantum yield of 0.04–0.07 at room temperature. Both the Fe(III) complexes are found to efficiently catalyze the aerial oxidation of DTBC to DTBQ with the turn over numbers 100–155 h⁻¹, which is among the highest for mononuclear Fe(III) complexes. The complexes also act as very good fluorometric sensor for S²⁻, and the limit of detection (LOD) is in the octa-molar region. The pH and temperature dependences of the sensing are also investigated.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 6","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and Alkyne Metathesis Activity of Rhenium Carbyne Complexes with PS-Chelating Ligands","authors":"Long Yiu Tsang,&nbsp;Lam Cheung Kong,&nbsp;Herman H. Y. Sung,&nbsp;Ian D. Williams,&nbsp;Guochen Jia","doi":"10.1002/ejic.202400811","DOIUrl":"https://doi.org/10.1002/ejic.202400811","url":null,"abstract":"<p>Inspired by the catalytic alkyne metathesis activity of Re(V) carbyne complexes supported by phosphinophenolate (PO) ligands, new Re(V) carbyne complexes with analogous phoshorus-sulfur hybrid chelating ligands were synthesized. Treatment of Re(≡CR)Cl₂(PMePh₂)₃ (R = CH₂Ph, Ph) with (2-thiophenyl)diphenylphosphine (Ph₂P-<i>o</i>-C₆H₄SH, PSH) in the presence of NEt₃ produced the six-coordinated PS complexes Re(≡CR)(PMePh₂)(PS)₂ (PS = Ph₂P-<i>o</i>-C₆H₄S), which reacted with [(η⁶-cymene)RuCl₂]₂ to give five-coordinated trigonal bipyramidal complexes Re(≡CR)(PS)₂ and (η⁶-cymene)RuCl₂(PMePh₂). The complex Re(≡CCH₂Ph)(PS)₂ can be oxidized to give the sulfinate complex Re(≡CCH₂Ph)(H₂O)(PS_O)₂ (PS_O = Ph₂P-<i>o</i>-C₆H₄SO₂). The thiophenolate complexes Re(≡CR)(PMePh₂)(PS)₂ and Re(≡CR)(PS)₂ showed marginal alkyne metathesis activity at 100 °C, whereas the sulfinate complex Re(≡CCH₂Ph)(H₂O)(PS_O)₂ is unreactive toward alkyne metathesis reactions under similar condition. DFT calculations reveal that the lower metathesis activity of the thiophenolate and sulfinate complexes compared with that of PO complexes can be related to the thermochemistry of alkyne coordination to five-coordinated species Re(≡CR)(PX)₂ (X = O, S, S_O). The alkyne coordination to give an alkyne-alkylidyne complex is thermodynamically favored for Re(≡CR)(PO)₂, but is unfavored for Re(≡CR)(PS)₂ and Re(≡CR)(PS_O)_2, resulting in a higher barrier for alkyne metathesis in PS and PS_O systems.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 12","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202400811","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143861972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Decoding Circular Dichroism Contributions in Chiral Hybrid Perovskites","authors":"Amina Alehyane,&nbsp;Mariagrazia Fortino,&nbsp;Florent Barbault,&nbsp;Antonio Monari,&nbsp;Adriana Pietropaolo","doi":"10.1002/ejic.202400636","DOIUrl":"https://doi.org/10.1002/ejic.202400636","url":null,"abstract":"<p>Hybrid organic–inorganic perovskites (HOIPs) are promising materials in optoelectronics, particularly for photovoltaic applications, due to their tunable properties and ease of fabrication. Among them, chiral HOIPs are gaining attention for their unique chiroptical properties, by the incorporation of chiral organic molecules into their structure. Despite their potential, the relationship between chiral HOIP structures and their chiroptical properties, such as circular dichroism (CD) spectra, remains challenging to decrypt. This study introduces a simulation workflow based on Density Functional Theory (DFT) and Time-Dependent DFT (TD-DFT) to model the CD spectrum of the chiral 2D perovskite encapsulating S-1-(3-bromophenyl)-ethylamine (S-(3Br-MBA)₂PbI₄). The approach combines ab-initio molecular dynamics (AIMD) with TD-DFT calculations evaluating the contributions on the whole chiral hybrid perovskite scaffold and those of the isolated ligands, allowing us to dissect the contributions to the CD spectrum of chiral ligands and of the metal-halide sublattice. Additionally, the absorption dissymmetry factor <i>g_abs</i> has been also computed finding good agreement with the experimental value.</p><p>This work provides valuable insights for the design of advanced chiroptoelectronic materials.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 6","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143489700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Complexes of d- and f-metal Ions with a Redox-Active and Highly Symmetric Truxenone Ligand: Effect of Cations and Coordination on Distortions of Radical Anions and Singlet-Triplet Transitions in Dianions","authors":"Kira D. Krivenko,&nbsp;Alexander F. Shestakov,&nbsp;Maxim A. Faraonov,&nbsp;Alexey V. Kuzmin,&nbsp;Salavat S. Khasanov,&nbsp;Akihiro Otsuka,&nbsp;Hideki Yamochi,&nbsp;Hiroshi Kitagawa,&nbsp;Dmitri V. Konarev","doi":"10.1002/ejic.202400760","DOIUrl":"https://doi.org/10.1002/ejic.202400760","url":null,"abstract":"<p>Truxenone (Tr) with high <i>C</i>_3h symmetry forms crystalline radical anion and dianion salts. The {Bu₃MeP⁺}(Tr⋅⁻) (<b>1</b>) and {Cp*₂Co⁺)}(Tr⋅⁻)⋅2 C₆H₄Cl₂ (<b>2</b>) show intense low-energy absorption up to 2000 nm. Calculations predict Jahn–Teller distortions for Tr⋅⁻, which are enhanced by the asymmetric approach of cations to Tr⋅⁻, leading to C=O bond length alternation and EPR signal asymmetry in <b>2</b>. Two cesium ions form short contacts of 3.07–3.45 Å with oxygen atoms of Tr^2- in {Cryptand[2.2.2](Cs⁺)}₂(Tr^2-) (<b>3</b>), linking the dianion into a 1D polymer. Calculations suggest a triplet state for the dianion, but the unsymmetric approach of Cs⁺ to the oxygen atoms of Tr^2- stabilizes the singlet ground state. The triplet state is populated above 100 K. An estimated singlet–triplet energy gap is 344 ± 7 K. Radical anions of Tr⋅⁻ coordinate with one <i>d</i>- or <i>f</i>-metal, forming {Cp*₂Co⁺}{Tb^III(TMHD)₃⋅Tr}^-⋅1.5 C₇H₈ (<b>4</b>) and {Cp*₂Co⁺}{Mn^II(acac)₂⋅Tr}^-⋅2.4 C₆H₄Cl₂ (<b>5</b>) (TMHD is 2,2,6,6-tetramethyl-3,5-heptanedionate; acac is acetylacetonate). Antiferromagnetic Tb^III–Tr⋅⁻ coupling is observed in <b>4</b>. The <i>χ</i>_M<i>T</i> value of 3.32 emu⋅K/mol at 300 K for <b>5</b> with high-spin Mn^II is lower than expected. That indicates a spin state of <i>S</i>=2 owing to the antiparallel alignment of Mn^II and Tr⋅⁻ spins. Strong Mn^II–Tr⋅⁻ coupling arises from the spin density localization on the oxygen coordinated to Mn(II). Complexes with metals demonstrate low-energy absorption with maxima at 1504–1740 nm.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 14","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144131511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and Characterisation of {PdNO}10 Pincer Complexes","authors":"Matthew J. G. Sinclair,&nbsp;Nil Roig,&nbsp;Nikolaos Tsoureas,&nbsp;Mercedes Alonso,&nbsp;Adrian B. Chaplin","doi":"10.1002/ejic.202400803","DOIUrl":"https://doi.org/10.1002/ejic.202400803","url":null,"abstract":"<p>The synthesis and characterisation of two square planar {PdNO}¹⁰ pincer complexes of the form [Pd(pincer)(NO)]⁺ (pincer = 2,6-(<i>t</i>Bu₂PCH₂)₂C₅H₃N, <b>1</b>; 2,6-(<i>t</i>Bu₂PO)₂C₅H₃N, <b>2</b>) are reported. These complexes are readily isolated by phosphine substitution of T-shaped [Pd(P<i>t</i>Bu₃)₂(NO)]⁺ <b>3</b> in THF and the bent nitrosyl coordination mode observed in <b>3</b> is retained, as evidenced by X-ray diffraction (∠PdNO ∼ 120°), IR spectroscopy and analysis of isotopically enriched samples by ¹⁵N NMR spectroscopy. Effective oxidation states of Pd⁰/NO⁺ are calculated for <b>1</b>–<b>3</b> and nitrosyl coordination is principally attributed to metal-centred <i>σ</i>-bonding, with supplementary <i>π</i>-backbonding. Computational analysis, however, indicates that the Pd−NO bonds in <b>1</b> and <b>2</b> have greater Pd^I/NO^• character and <i>σ</i>-bonding is more prominent than in <b>3</b>. These differences in bonding are manifested experimentally in more red-shifted nitrosyl stretching frequencies and the propensity of <b>1</b> and <b>2</b> to react with dichloromethane to afford palladium(II) chloride derivatives.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 10","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202400803","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143741303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation and Physicochemical Characterization of Layered Double Hydroxide MgAl-LDHs/Celecoxib Hybrid Material","authors":"Dr. Amina Chetara,&nbsp;Prof. Abdellah Bahmani","doi":"10.1002/ejic.202400688","DOIUrl":"https://doi.org/10.1002/ejic.202400688","url":null,"abstract":"<p>This study presents the development and characterization of a Mg₃Al-COX hybrid system, designed to enhance the bioavailability of celecoxib (COX), a BCS class II hydrophobic anti-inflammatory drug. Mg/Al layered double hydroxides (LDHs), with a 3 : 1 ratio, were synthesized via coprecipitation and calcination methods and then used to trap COX through a reconstitution process in a 60/40 v/v ethanol/water mixture. Comprehensive characterization using XRD, FTIR, TGA/DSC, BET, and SEM/EDS techniques confirmed the successful incorporation of COX within the LDHs matrix. Batch loading studies investigated the effects of contact time, initial pH, host material quantity, initial COX concentration, and temperature on the loading capacity Qe (mg/g). Kinetic analyses revealed that COX fixation follows a pseudo-second-order model, with intraparticle diffusion occurring in two distinct stages. Thermodynamic analysis detected a spontaneous and exothermic process. The Sips equation best represents the adsorption equilibrium by providing the highest correlation with a maximum loading capacity of 220.10 mg/g. Parameter calculations and error analyses validated the models used for the kinetic, thermodynamic, and equilibrium studies. These results demonstrate the feasibility of using LDHs as inclusion matrices to enhance the release properties of celecoxib, thereby paving the way for the development of controlled-release dosage forms.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anhydrous Actinide Starting Materials: Synthesis and Structural Characterization of [UCl4(Et2O)2], an Alternative Route to [UO2Cl2(THF)2]2, and Comments on the Synthesis of [ThCl4(dme)2]","authors":"Dr. Novan A. G. Gray,&nbsp;Dr. James F. Britten,&nbsp;Prof. Dr. David J. H. Emslie","doi":"10.1002/ejic.202400779","DOIUrl":"https://doi.org/10.1002/ejic.202400779","url":null,"abstract":"<p>A new diethyl ether adduct of uranium tetrachloride, [UCl₄(Et₂O)₂] (<b>1</b>), along with the previously reported mono-etherate complex [UCl₄(Et₂O)]_n (<b>2</b>), have been synthesized and characterized by powder X-ray diffraction, elemental analysis, and in the case of <b>1</b>, single crystal X-ray diffraction. Additionally, reaction of anhydrous [UO₂(OAc)₂]_n with HCl in Et₂O/THF was found to afford the uranyl dichloride complex [UO₂Cl₂(THF)₂]₂ (<b>3</b>) in high purity and yield, providing an alternative and convenient entry point into anhydrous uranyl chemistry. Furthermore, comments are provided regarding the literature synthesis of [ThCl₄(dme)₂] via the reaction of [ThCl₄(H₂O)₄] with Me₃SiCl in dme, highlighting important considerations for the compound's preparation in good yield.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 9","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202400779","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermally Induced FeII Spin Crossover Hybrid Complex Incorporating Para-Sulfocinnamic Acid","authors":"Dr. Varun Kumar,&nbsp;Dr. Ashta C. Ghosh,&nbsp;Dr. Youssef Draoui,&nbsp;Dr. Mengmeng Wang,&nbsp;Prof. Dr. Kristof van Hecke,&nbsp;Prof. Dr. Aurelian Rotaru,&nbsp;Prof. Dr. Yann Garcia","doi":"10.1002/ejic.202400753","DOIUrl":"https://doi.org/10.1002/ejic.202400753","url":null,"abstract":"<p>Anion-Driven Light-Induced Spin Change (AD-LISC) enables multifunctional materials to switch magnetic states with light, enhancing potential applications in data storage, sensors, and molecular electronics, by improving spin state control by integrating photoactive anions. In this study, we report the synthesis and characterization of new mononuclear Fe^II coordination complex, [Fe(3-bpp)₂](psca)₂ ⋅ solvent (<b>1 ⋅ X</b>) as determined by single-crystal X-ray diffraction. The structure incorporates para-sulfocinnamic acid (<i><b>psca</b></i>), non-coordinated anion as well as unidentified disorded solvent molecules (<b>X</b>). TGA analysis confirmed the presence of 2.5 water molecules as solvent in the crystal lattice after exposure to air. Moreover, ⁵⁷Fe Mössbauer spectroscopy and magnetic susceptibility measurements (SQUID) reveals a mixture of high-spin and low-spin states in <b>1 ⋅ 2.5H₂O</b>, with a predominance of low-spin sites at room temperature. The desolvated form <b>1</b> shows a gradual spin crossover behaviour centred around the room temperature region. Additionally, single crystal X-ray diffraction, evaluated according to Schmidt's criteria for [2+2] photodimerization, revealed that <b>1 ⋅ X</b> does not satisfy the spatial requirements for photodimerization; accordingly, no colour change was noticed upon UV light exposure.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 7","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Front Cover: Redox Reactions of [RuIII(pic)3] (pic−=picolinate) with Sulfite in Aqueous Solution: Kinetic, and Mechanistic Studies (Eur. J. Inorg. Chem. 3/2025)","authors":"Olga Impert,&nbsp;Debabrata Chatterjee","doi":"10.1002/ejic.202580301","DOIUrl":"https://doi.org/10.1002/ejic.202580301","url":null,"abstract":"<p><b>The Front Cover</b> shows the redox reaction of a substitution-inert and electrically neutral [Ru^III(pic)₃] (pic⁻=picolinate) complex with sulfite in aqueous solution. Studies revealed that, despite being a considerably more weakly electron-accepting oxidant than those reported previously for S^IV oxidation, [Ru^III(pic)₃] can effectively and selectively oxidize sulfite to sulfate through an outer-sphere electron-transfer pathway. More information can be found in the Research Article by O. Impert and D. Chatterjee.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 3","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202580301","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermal Expansion Behavior of Halide Perovskite Single Crystals Across a Broad Temperature Range","authors":"Dr. Yuiga Nakamura,&nbsp;Prof. Naoyuki Shibayama,&nbsp;Prof. Hideki Hayashida,&nbsp;Prof. Kunihisa Sugimoto,&nbsp;Prof. Tsutomu Miyasaka","doi":"10.1002/ejic.202400682","DOIUrl":"https://doi.org/10.1002/ejic.202400682","url":null,"abstract":"<p>Halide perovskite crystals are garnering significant interest as a promising material for next-generation solar cells. They are also anticipated to be applicable in devices used across a wide temperature range, including X-ray and γ-ray detectors, as well as in solar cells designed for satellite environments. The coefficient of thermal expansion of halide perovskite crystals is a critical physical property to understand, especially given the potential for mechanical degradation in layered devices due to abrupt temperature fluctuations, which may result in mismatched expansion coefficients among different layers. In this study, we employed single crystal X-ray diffraction (XRD) techniques to investigate the coefficient of thermal expansion of halide perovskite crystals, with a specific focus on CH₃NH₃PbI₃, across an extensive temperature range. Our findings reveal that the lattice parameters exhibit discontinuous changes during the phase transition from the β-phase to the γ-phase, in stark contrast to the α to β phase transition. This observation implies that structural phase transitions at low temperatures could significantly affect the longevity and reliability of devices incorporating these materials. The methodology we have utilized for assessing coefficient of thermal expansion via single crystal structural analysis at low temperatures presents a substantial advancement in the research of halide perovskite crystals.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143431777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}