The NIST Chemistry WebBook
【数据内容】The November 1998 release of The NIST WebBook is the fifth edition of the NIST Chemistry WebBook. It contains thermochemical data for over 5000 organic and small inorganic compounds, reaction thermochemistry data for over 8000 reactions, IR spectra for over 5000 compounds, mass spectra for over 10,000 compounds, electronic / vibrational spectra for over 3000 compounds, constants of diatomic molecules (spectroscopic data) for over 600 compounds, Ion energetics data for over 14,000 compounds, and thermophysical property data for 16 fluids There are many avenues for searching the database. Structures are given for most species, as well as common and commercial names.

WebElements (网上元素周期表 - 元素知识库)
WebElements is the first periodic table on the WWW. WebElements aims to be a high quality source of information on the WWW relating to the periodic table. Coverage is such that professional scientists and students at school will all find something useful. Currently most information is about the elements themselves but the scope of WebElements will include simple compounds as well in the future.Currently, most information is about the elements themselves but the scope of WebElements will include simple compounds as well in the future. Note that elements 113, 115, and 117 are not known, but are included in the table to show their expected positions. Elements 114, 116, and 118 have only been reported recently.

无机化学热力学软件及数据库集锦(FACT站点)
thermochemical databases and software packages in pyrometallurgy, hydrometallurgy, chemical engineering, geology, electrochemistry and process simulation for pure substances and non-ideal solutions of gases, alloys, ceramics, salts, mattes, slags, minerals, aqueous, etc.

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物理、化学性质数据索引
This page is an index to selected library and internet resources that contain chemical, physical, thermodynamic, mechanical, toxicological, and safety data.