#------------------------------------------------------------------------------ #$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9011829.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_9011829 loop_ _publ_author_name 'Mills, S.' 'Mumme, G.' 'Grey, I.' 'Bordet, P.' _publ_section_title ; The crystal structure of perhamite Note: H positions unknown Locality: Emmons mine, Greenwood, Maine ; _journal_name_full 'Mineralogical Magazine' _journal_page_first 201 _journal_page_last 209 _journal_volume 70 _journal_year 2006 _chemical_formula_sum 'Al7.7 Ca2.7 H12.68 O45.862 P4 Si3 Sr0.3' _chemical_name_mineral Perhamite _space_group_IT_number 164 _symmetry_space_group_name_Hall '-P 3 2"' _symmetry_space_group_name_H-M 'P -3 m 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 7.021 _cell_length_b 7.021 _cell_length_c 20.218 _cell_volume 863.111 _exptl_crystal_density_diffrn 2.495 _[local]_cod_chemical_formula_sum_orig 'Ca2.7 Sr.3 P4 Al7.7 Si3 O45.862 H12.68' _cod_database_code 9011829 _amcsd_database_code AMCSD#0012174 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,-x,z y,-x+y,-z -x,-x+y,-z -x+y,-x,z -x+y,y,z -x,-y,-z y,x,-z -y,x-y,z x,x-y,z x-y,x,-z x-y,-y,-z 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 Ca1 0.00000 0.00000 0.00000 0.70000 0.01500 Sr 0.00000 0.00000 0.00000 0.30000 0.01500 Ca2 0.33333 0.66667 0.74460 1.00000 0.01930 P1 0.33333 0.66667 0.98290 1.00000 0.00850 P2 0.00000 0.00000 0.24700 1.00000 0.00880 Al1 0.16570 0.33140 0.86930 1.00000 0.00820 Al2 0.00000 0.00000 0.40710 0.85000 0.01960 Si1 0.00000 0.00000 0.40710 0.15000 0.01960 Si2 0.15730 0.75080 0.49910 0.22500 0.02000 O1 0.42880 0.21440 0.04350 1.00000 0.01100 O2 0.33333 0.66667 0.05800 1.00000 0.01200 O3 0.12620 0.25240 0.10850 1.00000 0.00900 O4 0.91370 0.45690 0.15910 1.00000 0.01000 O5 0.23940 0.11970 0.22310 1.00000 0.01100 O6 0.00000 0.00000 0.32310 1.00000 0.02100 O7 0.26900 0.13500 0.43570 0.50000 0.04700 O8 0.13400 0.26800 0.43390 0.50000 0.06000 O9 0.50000 0.00000 0.50000 0.23400 0.22000 O10 0.33333 0.66667 0.49600 0.08000 0.08000 Wat1 0.33333 0.66667 0.23660 1.00000 0.05600 Wat2 0.96900 0.48470 0.33510 0.50000 0.03700