Crystallography Open Database
- COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 4124694
Preview
| Coordinates | 4124694.cif |
|---|---|
| Structure factors | 4124694.hkl |
| Original paper (by DOI) | HTML |
| Formula | Ca2 Mg O7 Si2 |
|---|---|
| Calculated formula | Ca2 Mg O7 Si2 |
| Title of publication | Chemical Unit Cosubstitution and Tuning of Photoluminescence in the Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor |
| Authors of publication | Zhiguo Xia; C.-G. Ma; Maxim Molokeev; Quanlin Liu; Karl Rickert; Kenneth Poeppelmeier |
| Journal of publication | Journal of the American Chemical Society |
| Year of publication | 2015 |
| Journal volume | 137 |
| Journal issue | 39 |
| Pages of publication | 12494 - 12497 |
| a | 7.83456 ± 0.00019 Å |
| b | 7.83456 ± 0.00019 Å |
| c | 5.00875 ± 0.00015 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 307.439 ± 0.014 Å3 |
| Cell temperature | 300 K |
| Ambient diffraction temperature | 300 K |
| Number of distinct elements | 4 |
| Space group number | 113 |
| Hermann-Mauguin space group symbol | P -4 21 m |
| Hall space group symbol | P -4 2ab |
| Residual factor R(I) for significantly intense reflections | 4.02 |
| Goodness-of-fit parameter for all reflections | 1.163 |
| Method of determination | powder diffraction |
| Diffraction radiation probe | x-ray |
| Diffraction radiation wavelength | 1.5406 Å |
| Diffraction radiation type | CuKα~1~~2~ |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | Yes |
| Revision | Date | Message | Files |
|---|---|---|---|
| 205493 (current) | 2018-01-23 | cif/ Removing the _chemical_name_mineral data item that contains an empty value from multiple files. |
4124694.cif 4124694.hkl |
| 181930 | 2016-04-07 | hkl/4/ (antanas@echidna.ibt.lt) Adding svn headers to multiple entries in subrange 4/12. |
4124694.cif 4124694.hkl |
| 176429 | 2016-02-13 | cif/ (antanas@kurmis) Replacing _cod_chemical_formula_sum_orig tag with _cod_original_formula_sum tag in multiple entries since the replaced tag is deprecated according to the COD CIF dictionary. |
4124694.cif 4124694.hkl |
| 176428 | 2016-02-13 | Replaced deprecated COD CIF data names with their more modern alternatives. The _cod_cif_authors_sg_Hall and _cod_cif_authors_sg_H-M data items were renamed to _cod_original_sg_symbol_Hall and _cod_cif_authors_sg_H-M respectively. |
4124694.cif 4124694.hkl |
| 168815 | 2015-10-14 | cif/ hkl/ Adding structures of 4124694 via cif-deposit CGI script. |
4124694.cif 4124694.hkl |
All data in the COD and the database itself are dedicated to the
public domain and licensed under the
CC0
License
.
Users of the data should acknowledge the original authors of the
structural data.