#------------------------------------------------------------------------------ #$Date: 2024-05-23 12:45:01 +0300 (Thu, 23 May 2024) $ #$Revision: 292002 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/53/9015340.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9015340 loop_ _publ_author_name 'Jahn, S.' 'Wunder, B.' 'Koch-Muller M' 'Tarrieu, L.' 'Pohle, M.' 'Watenphul, A.' 'Taran, M. N.' _publ_section_title ; Pressure-induced hydrogen bond symmetrisation in guyanaite, B-CrOOH: evidence from spectroscopy and ab initio simulations Sample: Run LT9 ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 839 _journal_page_last 850 _journal_paper_doi 10.1127/0935-1221/2012/0024-2228 _journal_volume 24 _journal_year 2012 _chemical_compound_source 'synthetic at 4.0 GPa and 600 deg C for 24 hours' _chemical_formula_sum 'Cr H O2' _chemical_name_mineral Guyanaite _space_group_IT_number 31 _symmetry_space_group_name_Hall 'P -2 2ac' _symmetry_space_group_name_H-M 'P 21 n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 4.8623 _cell_length_b 4.2972 _cell_length_c 2.9567 _cell_formula_units_Z 2 _cell_volume 61.778 _database_code_amcsd 0019391 _exptl_crystal_density_diffrn 4.570 _cod_original_formula_sum 'Cr O2 H' _cod_database_code 9015340 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,-y,1/2+z x,y,-z 1/2+x,-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cr 0.00000 0.25600 0.00000 O1 0.36400 0.46900 0.00000 O2 0.66700 0.00300 0.00000 H 0.52750 0.21100 0.00000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0019391