#------------------------------------------------------------------------------ #$Date: 2014-07-12 09:06:43 +0100 (Sat, 12 Jul 2014) $ #$Revision: 120115 $ #$URL: svn://www.crystallography.net/cod/cif/9/00/97/9009779.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_9009779 loop_ _publ_author_name 'Grey, I. E.' 'Mumme, W. G.' 'Ness, T. J.' 'Roth, R. S.' 'Smith, K. L.' _publ_section_title ;Structural relations between weberite and zirconolite polytypes - refinements of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7 Locality: synthetic Sample: T = 123 K Note: polytype Zirconolite-3T ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 285 _journal_page_last 295 _journal_volume 174 _journal_year 2003 _chemical_formula_sum 'Al0.96 Ca1.538 O14 Th0.302 Ti2.6 Zr2.6' _chemical_name_mineral Zirconolite _space_group_IT_number 152 _symmetry_space_group_name_Hall 'P 31 2"' _symmetry_space_group_name_H-M 'P 31 2 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 7.228 _cell_length_b 7.228 _cell_length_c 16.805 _cell_volume 760.336 _diffrn_ambient_temperature 123 _exptl_crystal_density_diffrn 4.870 _[local]_cod_chemical_formula_sum_orig 'Ca1.538 Th.302 Zr2.6 Ti2.6 Al.96 O14' _cod_database_code 9009779 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,x,-z -y,x-y,1/3+z -x,-x+y,1/3-z -x+y,-x,2/3+z x-y,-y,2/3-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 CaM1 0.83250 0.00000 0.33333 0.84000 0.00710 ThM1 0.83250 0.00000 0.33333 0.04000 0.00710 ZrM1 0.83250 0.00000 0.33333 0.12000 0.00710 CaM2 0.33420 0.00000 0.33333 0.61800 0.00960 ThM2 0.33420 0.00000 0.33333 0.26200 0.00960 ZrM2 0.33420 0.00000 0.33333 0.12000 0.00960 ZrM3 0.16470 0.66330 0.01782 0.96000 0.00710 CaM3 0.16470 0.66330 0.01782 0.04000 0.00710 TiM4 0.32910 0.00000 0.83333 0.44000 0.00630 AlM4 0.32910 0.00000 0.83333 0.44000 0.00630 ZrM4 0.32910 0.00000 0.83333 0.12000 0.00630 TiM5 0.92170 0.05000 0.83190 0.26000 0.01600 ZrM5 0.92170 0.05000 0.83190 0.06000 0.01600 AlM5* 0.91700 0.11000 0.83300 0.18000 0.01600 TiM6 0.49950 0.33230 0.16426 0.82000 0.00850 AlM6 0.49950 0.33230 0.16426 0.08000 0.00850 ZrM6 0.49950 0.33230 0.16426 0.10000 0.00850 O1 0.60000 0.62900 0.14500 1.00000 0.01900 O2 0.00700 0.82800 0.06690 1.00000 0.01200 O3 0.52600 0.30500 0.04690 1.00000 0.00700 O4 0.19200 0.21800 0.14580 1.00000 0.01200 O5 0.52500 0.88900 0.05460 1.00000 0.00900 O6 0.93900 0.30900 0.05480 1.00000 0.00800 O7 0.21100 0.61600 0.13950 1.00000 0.01500 _journal_paper_doi 10.1016/S0022-4596(03)00222-6