#------------------------------------------------------------------------------ #$Date: 2011-09-17 23:27:16 +0300 (Sat, 17 Sep 2011) $ #$Revision: 26029 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2012488.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2012488 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2002 _journal_volume 58 _journal_page_first i23 _journal_page_last i24 _publ_section_title ; Dilead mercury chromate(VI), Pb~2~HgCrO~6~ ; loop_ _publ_author_name 'Klein, W.' 'Curda, J.' 'Friese, K.' 'Jansen, M.' _chemical_formula_sum 'Cr Hg O6 Pb2' _chemical_formula_structural 'Pb2 (Hg O2) (Cr O4)' _chemical_formula_iupac 'Pb2 Hg Cr O6' _chemical_formula_weight 762.98 _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' _cell_length_a 6.505(2) _cell_length_b 7.201(3) _cell_length_c 7.605(3) _cell_angle_alpha 91.82(3) _cell_angle_beta 92.17(3) _cell_angle_gamma 111.33(3) _cell_volume 331.2(2) _cell_formula_units_Z 2 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 7.651 _diffrn_ambient_temperature 293(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Hg1 .68673(8) .70067(9) .63551(7) .03091(19) Uani d . 1 . . Hg Pb1 -.21924(9) .25922(8) .13343(8) .0320(2) Uani d . 1 . . Pb Pb2 .17992(9) .74491(8) .39612(7) .0317(2) Uani d . 1 . . Pb Cr1 .7086(4) .7665(4) .1477(3) .0301(5) Uani d . 1 . . Cr O1 .463(2) .6478(18) .2086(19) .049(3) Uani d . 1 . . O O2 .0538(16) .3898(15) .3672(14) .031(2) Uani d . 1 . . O O3 .844(2) .9460(17) .2982(15) .039(2) Uani d . 1 . . O O4 .4134(16) .7651(17) .6257(14) .035(2) Uani d . 1 . . O O5 -.1528(19) .6160(18) .1271(16) .042(3) Uani d . 1 . . O O6 .686(2) .8686(18) -.0350(15) .042(3) Uani d . 1 . . O 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 Hg1 .0240(3) .0354(3) .0366(3) .0149(2) .0000(2) .0017(2) Pb1 .0300(3) .0332(3) .0344(3) .0134(2) .0011(2) .0004(2) Pb2 .0265(3) .0341(3) .0364(3) .0136(2) -.0018(2) .0036(2) Cr1 .0287(11) .0302(10) .0339(12) .0138(8) -.0007(9) .0015(9) O1 .037(6) .036(5) .068(8) .007(5) .009(6) .010(5) O2 .021(4) .034(5) .043(5) .018(4) -.005(4) -.002(4) O3 .044(6) .035(5) .043(6) .020(5) .000(5) .000(4) O4 .021(5) .054(6) .040(5) .026(4) -.004(4) .002(5) O5 .028(5) .043(6) .049(7) .008(4) -.009(5) -.007(5) O6 .052(7) .043(6) .036(6) .024(5) .002(5) .007(5) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Hg1 O4 . 1.993(9) y Hg1 O2 2_666 2.019(9) y Hg1 O1 2_666 2.673(9) y Hg1 O6 1_556 2.749(9) y Hg1 O3 . 3.150(9) y Hg1 O3 2_776 3.193(9) y Hg1 O1 . 3.459(9) y Pb1 O4 2_566 2.240(11) y Pb1 O2 . 2.375(10) y Pb1 O5 . 2.448(12) y Pb1 O3 1_445 2.765(12) y Pb1 O6 2_565 2.893(12) y Pb1 O6 1_445 2.895(12) y Pb1 O5 2_565 3.080(12) y Pb1 O1 2_565 3.209(12) y Pb1 Pb2 2_566 3.5791(16) ? Pb2 O4 . 2.236(9) y Pb2 O2 . 2.384(10) y Pb2 O2 2_566 2.395(11) y Pb2 O1 . 2.642(14) y Pb2 O5 . 2.795(14) y Pb2 O3 1_455 3.109(14) y Pb2 O3 2_676 3.215(14) y Pb2 O4 2_676 3.571(14) y Pb2 Pb1 2_566 3.5791(16) ? Cr1 O1 . 1.609(12) y Cr1 O6 . 1.619(11) y Cr1 O5 1_655 1.650(13) y Cr1 O3 . 1.661(12) y O2 Hg1 2_666 2.019(9) ? O2 Pb2 2_566 2.395(11) ? O4 Pb1 2_566 2.240(11) ? O5 Cr1 1_455 1.650(13) ? _cod_database_code 2012488