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Information card for entry 9013636
Preview
| Coordinates | 9013636.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | AMCSD |
| Mineral name | Akermanite |
|---|---|
| Formula | Ca2 Mg O7 Si2 |
| Calculated formula | Ca2 Mg O7 Si2 |
| Title of publication | High-pressure behavior of akermanite and gehlenite and phase stability of the normal structures in melelites Note: P = 5 GPa |
| Authors of publication | Merlini, M.; Gemmi, M.; Hanfland, M.; Crichton, W. |
| Journal of publication | American Mineralogist |
| Year of publication | 2009 |
| Journal volume | 94 |
| Pages of publication | 704 - 709 |
| a | 7.74 Å |
| b | 7.74 Å |
| c | 4.932 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 295.464 Å3 |
| Ambient diffracton pressure | 5000000 kPa |
| 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 |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 291877 (current) | 2024-05-16 | Inserting missing Z values in most entries in the 9 range |
9013636.cif |
| 282068 | 2023-03-26 | cod/ (saulius@tasmanijos-velnias) Adding the '_cod_related_entry_...' loop to those COD AMCSD entries that lacked it, and adding the related AMCSD database ID to this loop. |
9013636.cif |
| 282053 | 2023-03-24 | cod/ (saulius@tasmanijos-velnias) Updating the existing COD records from the recent AMCSD downloads: - Adding AMCSD IDs to those COD records that exacly matched the AMCSD structures (comparing unit cells, space groups, coordinates and measurement conditions) but did not yet have the AMCSD ID; - Adding new mineral names, compound sources, measurement conditions (when those were missing) and other informations from the AMCSD CIFs. |
9013636.cif |
| 176465 | 2016-02-16 | cif/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 9. |
9013636.cif |
| 120115 | 2014-07-12 | Adding DOIs to range 9 structures. | 9013636.cif |
| 85285 | 2013-05-05 | cod/ (saulius@koala.ibt.lt) Removing outdated _amcsd_database_code data items from all series 9 CIFs. |
9013636.cif |
| 35913 | 2012-02-28 | cif/9/ Reorganising range 9 into a prefix-directory tree. Range 9 is the last range to be reorganised. |
9013636.cif |
| 1214 | 2010-06-10 | cif/9/ Adding new CIFs from the AMCSD-resynchronisation-2010.04.24/ data processing. |
9013636.cif |
All data in the COD and the database itself are dedicated to the
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.
Users of the data should acknowledge the original authors of the
structural data.