#------------------------------------------------------------------------------ #$Date: 2013-05-05 15:21:46 +0100 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: svn://www.crystallography.net/cod/cif/9/00/02/9000261.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_9000261 loop_ _publ_author_name 'Morimoto, N.' 'Tokonami, M.' 'Koto, K.' 'Nakajima, S.' _publ_section_title ; Crystal structures of the high pressure polymorphs of Mn2GeO4 ; _journal_name_full 'American Mineralogist' _journal_page_first 62 _journal_page_last 75 _journal_volume 57 _journal_year 1972 _chemical_formula_sum 'Ge Mn2 O4' _chemical_name_common Mn2GeO4-beta _space_group_IT_number 74 _symmetry_space_group_name_Hall '-I 2b 2' _symmetry_space_group_name_H-M 'I m m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 6.025 _cell_length_b 12.095 _cell_length_c 8.752 _cell_volume 637.779 _exptl_crystal_density_diffrn 5.134 _[local]_cod_chemical_formula_sum_orig 'Mn2 Ge O4' _cod_database_code 9000261 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z x,1/2-y,z 1/2+x,-y,1/2+z -x,1/2+y,-z 1/2-x,+y,1/2-z -x,y,z 1/2-x,1/2+y,1/2+z x,-y,-z 1/2+x,1/2-y,1/2-z x,1/2+y,-z 1/2+x,+y,1/2-z -x,1/2-y,z 1/2-x,-y,1/2+z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Mn1 0.00828 0.00519 0.00854 0.00000 0.00000 -0.00161 Mn2 0.00828 0.00445 0.00776 0.00000 0.00000 0.00000 Mn3 0.00570 0.00667 0.00893 0.00000 -0.00080 0.00000 Ge 0.00552 0.00445 0.00543 0.00000 0.00000 0.00536 O1 0.00221 0.00667 0.01979 0.00000 0.00000 0.00000 O2 0.03273 0.01408 0.00310 0.00000 0.00000 0.00000 O3 0.00257 0.01705 0.00776 0.00000 0.00000 0.00375 O4 0.01545 0.00963 0.00893 0.00222 -0.00080 -0.00054 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mn1 0.00000 0.00000 0.00000 Mn2 0.00000 0.25000 -0.03610 Mn3 0.25000 0.12810 0.25000 Ge 0.00000 0.11920 0.61640 O1 0.00000 0.25000 0.21230 O2 0.00000 0.25000 0.71870 O3 0.00000 -0.00910 0.25460 O4 0.25880 0.12230 -0.00340