QM40, Realistic Quantum Mechanical Dataset for Machine Learning in Molecular Science.

IF 5.8 2区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Ayesh Madushanka, Renaldo T Moura, Elfi Kraka
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引用次数: 0

Abstract

The growing popularity of machine learning (ML) and deep learning (DL) in scientific fields is hindered by the scarcity of high-quality datasets. While quantum mechanical (QM) predictions using DL techniques such as graph neural networks (GNNs) and generative models are gaining traction, insufficient training data remains a bottleneck. The QM40 dataset addresses this challenge by representing 88% of the FDA-approved drug chemical space. It includes molecules containing 10 to 40 atoms and composed of elements commonly found in drug molecular structures (C, O, N, S, F, Cl). QM40 offers valuable resources for researchers which include the core QM40 main dataset, containing 16 key quantum mechanical parameters for 162,954 molecules calculated using the B3LYP/6-31G(2df,p) level of theory in Gaussian16, ensuring consistency with established datasets like QM9 and Alchemy. This compatibility allows for future concatenation of QM40 with these datasets. In addition to other valuable information, the QM40 dataset offers the initial and optimized Cartesian coordinates, Mulliken charges, and detailed bond information, including local vibrational mode force constants, which serve as indicators of bond strength. QM40 can be used to benchmark both existing and new methods for predicting QM calculations using ML and DL techniques.

分子科学中机器学习的现实量子力学数据集。
机器学习(ML)和深度学习(DL)在科学领域的日益普及受到高质量数据集稀缺的阻碍。虽然使用图形神经网络(gnn)和生成模型等深度学习技术的量子力学(QM)预测越来越受欢迎,但训练数据不足仍然是一个瓶颈。QM40数据集通过代表fda批准的药物化学空间的88%来解决这一挑战。它包括含有10到40个原子的分子,由药物分子结构中常见的元素(C、O、N、S、F、Cl)组成。QM40为研究人员提供了宝贵的资源,其中包括核心QM40主数据集,包含162,954个分子的16个关键量子力学参数,使用高斯理论中的B3LYP/6-31G(2df,p)水平计算,确保与QM9和Alchemy等已建立的数据集一致。这种兼容性允许将来将QM40与这些数据集连接起来。除了其他有价值的信息外,QM40数据集还提供了初始和优化后的笛卡尔坐标、Mulliken电荷和详细的键信息,包括作为键强度指标的局部振动模态力常数。QM40可用于对使用ML和DL技术预测QM计算的现有方法和新方法进行基准测试。
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来源期刊
Scientific Data
Scientific Data Social Sciences-Education
CiteScore
11.20
自引率
4.10%
发文量
689
审稿时长
16 weeks
期刊介绍: Scientific Data is an open-access journal focused on data, publishing descriptions of research datasets and articles on data sharing across natural sciences, medicine, engineering, and social sciences. Its goal is to enhance the sharing and reuse of scientific data, encourage broader data sharing, and acknowledge those who share their data. The journal primarily publishes Data Descriptors, which offer detailed descriptions of research datasets, including data collection methods and technical analyses validating data quality. These descriptors aim to facilitate data reuse rather than testing hypotheses or presenting new interpretations, methods, or in-depth analyses.
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