Crystallography Open Database
- COD Home
- Accessing COD Data
- Add Your Data
- Documentation
Information card for entry 9011921
Preview
| Coordinates | 9011921.cif |
|---|---|
| External links | AMCSD |
| Mineral name | Frolovite |
|---|---|
| Formula | B2 Ca H8 O8 |
| Calculated formula | B2 Ca H8 O8 |
| Title of publication | The crystal structure of frolovite CaB2O4(H2O)4 = Ca(B(OH)4)2 |
| Authors of publication | Egorov-Tismenko Y K; Gushchina, A. E.; Shashkin, D. N.; Simonov, M. A.; Belov, N. V. |
| Journal of publication | Doklady Akademii Nauk SSSR |
| Year of publication | 1972 |
| Journal volume | 202 |
| Pages of publication | 78 - 80 |
| a | 7.8 Å |
| b | 5.7 Å |
| c | 7.95 Å |
| α | 108.5° |
| β | 101.5° |
| γ | 108.5° |
| Cell volume | 299.656 Å3 |
| Number of distinct elements | 4 |
| Space group number | 2 |
| Hermann-Mauguin space group symbol | P -1 |
| Hall space group symbol | -P 1 |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 283658 (current) | 2023-05-10 | cod/ (saulius@tasmanijos-velnias) Estimating atom types and attached hydrogen counts using the new cod-tools scripts [1], for those AMCSD files that had Wat or O-H or OW atoms, and where declared and computed formula matches after the update. Several files were spotted manually where attached hydrogen counts will need to be updated to match the title formula. The update command was: 553 ( set -x; directory-metadata; grep ^9 formula-with-estimated-atoms-all.tsv | grep = | awk '{print $1}' | sort -u | codid2file | xargs -i bash -c 'Z=$(cifvalues --no-dataname --tag _cell_formula_units_Z {}); if [ $Z = "?" ]; then NEW_Z=$(cif_estimate_Z {}); fi; cif_guess_AMCSD_atom_types {} | (if [ $Z = "?" -a -n "$NEW_Z" ]; then cif_select --invert --tag _cell_formula_units_Z | cat - <(echo _cell_formula_units_Z $NEW_Z); else cat; fi) | cif_filter --add-cif-header {} | sponge {}; echo Updated: {}'; date ) &> update-files-with-matching-formulae.log & run in the working copy of the repo [2]. Ref.: [1] saulius@tasmanijos-velnias COD/ $ svn info ~/src/cod-tools Path: /home/saulius/src/cod-tools Working Copy Root Path: /home/saulius/src/cod-tools URL: svn://cod.ibt.lt/cif-tools/trunk Relative URL: ^/trunk Repository Root: svn://cod.ibt.lt/cif-tools Repository UUID: 04be6746-3802-0410-999d-98508da1e98c Revision: 9577 Node Kind: directory Schedule: normal Last Changed Author: saulius Last Changed Rev: 9577 Last Changed Date: 2023-05-10 16:36:19 +0300 (Wed, 10 May 2023) [2] saulius@tasmanijos-velnias cod-entries-Wat-O-H-atoms/ $ svn info Path: . Working Copy Root Path: /home/saulius/tmp URL: svn+ssh://saulius.grazulis.lt/home/saulius/svn-repositories/tmp/COD/cod-entries-Wat-O-H-atoms Relative URL: ^/COD/cod-entries-Wat-O-H-atoms Repository Root: svn+ssh://saulius.grazulis.lt/home/saulius/svn-repositories/tmp Repository UUID: d3bd5daf-38a0-45fb-a3f8-6742599c9cef Revision: 580 Node Kind: directory Schedule: normal Last Changed Author: saulius Last Changed Rev: 580 Last Changed Date: 2023-05-06 10:43:38 +0300 (Sat, 06 May 2023) |
9011921.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. |
9011921.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. |
9011921.cif |
| 188358 | 2016-11-09 | cif/9 Marking attached hydrogen atoms. |
9011921.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. |
9011921.cif |
| 85285 | 2013-05-05 | cod/ (saulius@koala.ibt.lt) Removing outdated _amcsd_database_code data items from all series 9 CIFs. |
9011921.cif |
| 35913 | 2012-02-28 | cif/9/ Reorganising range 9 into a prefix-directory tree. Range 9 is the last range to be reorganised. |
9011921.cif |
| 1210 | 2010-06-10 | cif/9/ Updating 13213 AMCSD CIFs, taking new data from the AMCSD database and adding the assigned AMCSD numbers. |
9011921.cif |
| 1071 | 2010-04-10 | cif/9/ Updating COD entries from AMCSD, processed in the AMCSD-resynchronisation-2009.06.24/ directory. Entries are updated if they could be unambiguously mapped to a unique COD number by automatic search scripts in AMCSD-resynchronisation-2009.06.24/. |
9011921.cif |
| 966 | 2010-01-30 | cif/ Adding _cod_database_code tags to all COD entries. Adding tag description to the cif_cod.dic dictionary so that COD entries can be validated. |
9011921.cif |
| 903 | 2009-11-23 | cif/ Setting svn:keywords property on those CIFs that did not have them. |
9011921.cif |
| 649 | 2009-04-18 | Depositing new CIFs from AMCSD-resynchronisation-2009.03.27/. |
9011921.cif |
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.