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  2. Chromium(VI) oxide peroxide - Wikipedia

    en.wikipedia.org/wiki/Chromium(VI)_oxide_peroxide

    The structure of the pyridine complex has been determined crystallographically. [2] Adducts with other N-heterocycles have also been characterized similarly. [3] Aqueous chromium(VI) oxide peroxide decomposes in a few seconds, turning green as chromium(III) compounds are formed. [4] 2 CrO(O 2) 2 + 7 H 2 O 2 + 6 H + → 2 Cr 3+ + 10 H 2 O + 7 O 2

  3. List of chemical databases - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_databases

    Computational Chemistry Comparison and Benchmark DataBase National Institute of Standards and Technology: gas phase molecules "CCCDBD" 2069 CCRIS Chemical Carcinogenesis Research Information System National Library of Medicine substances that affect tumors CCRIS from primary literature, reviewed by experts "CCRIS subset of PubChem". 9562 [1] [2]

  4. Periodic table (crystal structure) - Wikipedia

    en.wikipedia.org/wiki/Periodic_table_(crystal...

    Identical symmetry to the α-Hg structure, distinguished based on details about the basis vectors of its unit cell. γ-Se: A8: Hexagonal: P 3 21 (No. 154) 3: Mg: A3: Hexagonal: P6 3 /mmc (No. 194) 2: Zn has 6 nearest neighbors in same plane: 6 in adjacent planes 14% farther away [18] Cd has 6 nearest neighbours in the same plane- 6 in adjacent ...

  5. Chromium compounds - Wikipedia

    en.wikipedia.org/wiki/Chromium_compounds

    Chromium is a member of group 6 of the transition metals. The +3 and +6 states occur most commonly within chromium compounds, followed by +2; charges of +1, +4 and +5 for chromium are rare, but do nevertheless occasionally exist.

  6. Chemical file format - Wikipedia

    en.wikipedia.org/wiki/Chemical_file_format

    A chemical file format is a type of data file which is used specifically for depicting molecular data. One of the most widely used is the chemical table file format, which is similar to Structure Data Format files. They are text files that represent multiple chemical structure records and associated data fields.

  7. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.

  8. ISIS/Draw - Wikipedia

    en.wikipedia.org/wiki/ISIS/Draw

    ISIS/Draw retained its own proprietary file formats with the extension .skc (sketch file) and .rxn (for reactions) and because of its role in preparing database queries it supported a variety of special atom and bond types used for substructure searching, such as wildcard atoms, aromatic bonds, ring bonds, and the atom mapping required for ...

  9. Bis (benzene)chromium - Wikipedia

    en.wikipedia.org/wiki/Bis(benzene)chromium

    Bis(benzene)chromium is the organometallic compound with the formula Cr(η 6-C 6 H 6) 2. It is sometimes called dibenzenechromium. It is sometimes called dibenzenechromium. The compound played an important role in the development of sandwich compounds in organometallic chemistry and is the prototypical complex containing two arene ligands .