#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/18/9011832.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_9011832 loop_ _publ_author_name 'Bonazzi, P.' 'Bindi, L.' 'Medenbach, O.' 'Pagano, R.' 'Lampronti, G. I.' 'Menchetti, S.' _publ_section_title ; Olmiite, CaMn[SiO3(OH)](OH), the Mn-dominant analogue of poldervaartite, a new mineral species from Kalahari manganese fields (Republic of South Africa) Locality: N'Chwaning II mine, Republic of South Africa ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 193 _journal_page_last 201 _journal_volume 71 _journal_year 2007 _chemical_formula_sum 'Ca1.14 Fe0.01 H2 Mn0.84 O5 Si' _chemical_name_mineral Olmiite _space_group_IT_number 61 _symmetry_space_group_name_Hall '-P 2ac 2ab' _symmetry_space_group_name_H-M 'P b c a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 9.249 _cell_length_b 9.076 _cell_length_c 10.342 _cell_volume 868.148 _exptl_crystal_density_diffrn 3.099 _[local]_cod_chemical_formula_sum_orig 'Ca1.14 Mn.84 Fe.01 Si O5 H2' _cod_database_code 9011832 _amcsd_database_code AMCSD#0012177 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,1/2+z -x,1/2+y,1/2-z 1/2-x,1/2+y,z 1/2+x,1/2-y,-z 1/2+x,y,1/2-z 1/2-x,-y,1/2+z -x,-y,-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 Ca 0.01000 0.00990 0.00770 -0.00030 0.00050 0.00020 MnM2 0.01180 0.01040 0.00860 -0.00230 -0.00060 -0.00010 CaM2 0.01180 0.01040 0.00860 -0.00230 -0.00060 -0.00010 FeM2 0.01180 0.01040 0.00860 -0.00230 -0.00060 -0.00010 Si 0.00960 0.00760 0.00650 -0.00010 -0.00010 -0.00020 O2 0.01010 0.01280 0.00940 -0.00140 -0.00180 -0.00170 O3 0.01640 0.01170 0.00860 0.00220 0.00370 0.00200 O4 0.01410 0.01520 0.01270 -0.00160 0.00060 0.00120 O5 0.01220 0.01290 0.00990 0.00230 0.00090 -0.00070 O1 0.02500 0.00760 0.01230 0.00270 -0.00670 -0.00030 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ca 0.15329 0.49245 0.39231 1.00000 0.00920 MnM2 0.50894 0.33741 0.43030 0.84000 0.01030 CaM2 0.50894 0.33741 0.43030 0.14000 0.01030 FeM2 0.50894 0.33741 0.43030 0.01000 0.01030 Si 0.32771 0.21852 0.65915 1.00000 0.00790 O2 0.94410 0.35440 0.43910 1.00000 0.01070 O3 0.10090 0.71440 0.28810 1.00000 0.01220 O4 0.40050 0.55090 0.40120 1.00000 0.01400 O5 0.19560 0.39530 0.18740 1.00000 0.01170 O1 0.25090 0.35680 0.57670 1.00000 0.01510 H1 0.24900 0.44100 0.61900 1.00000 0.04000 H2 0.43000 0.59500 0.33900 1.00000 0.04000