#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2200108.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_2200108 _journal_name_full 'Acta Crystallographica, Section E' _journal_year 2001 _journal_volume 57 _journal_page_first m159 _journal_page_last m161 _publ_section_title ; Polymeric tri-\m-oxo(pyrazine)molybdenum(VI) ; loop_ _publ_author_name 'Liang, Yucang' 'Hong, Maochun' 'Cao, Rong' 'Sun, Daofeng' 'Weng, Jiabao' _chemical_name_common 'C4 H4 Mo2 N2 O6' _chemical_formula_moiety 'C4 H4 Mo2 N2 O6' _chemical_formula_sum 'C4 H4 Mo2 N2 O6' _chemical_formula_iupac '[Mo2 )6 (C4 H4 N2)]' _chemical_formula_weight 367.98 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P b c a' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' '-x, y+1/2, -z+1/2' 'x+1/2, -y+1/2, -z' '-x, -y, -z' 'x-1/2, y, -z-1/2' 'x, -y-1/2, z-1/2' '-x-1/2, y-1/2, z' _cell_length_a 7.566(16) _cell_length_b 7.39(2) _cell_length_c 14.04(3) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 785(3) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 3.113 _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 Mo .53153(8) .04406(8) .72799(5) .0094(3) Uani d . 1 . . Mo N1 .5163(10) .0231(9) .9018(5) .0180(15) Uani d . 1 . . N O1 .7602(9) .0276(13) .7470(4) .049(2) Uani d . 1 . . O O2 .5002(13) .2812(8) .7518(5) .049(2) Uani d . 1 . . O O3 .5142(7) .0367(8) .6086(4) .0177(13) Uani d . 1 . . O C1 .6160(12) -.0961(11) .9494(6) .0179(18) Uani d . 1 . . C H1A .6982 -.1651 .9162 .021 Uiso calc R 1 . . H C2 .3998(11) .1193(11) .9540(6) .0159(17) Uani d . 1 . . C H2A .3281 .2038 .9237 .019 Uiso calc R 1 . . H 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 Mo .0079(4) .0078(4) .0124(4) .0002(3) .0009(3) .0004(3) N1 .025(4) .017(4) .012(3) .000(3) -.002(3) .002(3) O1 .006(3) .121(7) .021(3) .003(4) -.002(3) -.001(4) O2 .117(7) .007(3) .022(3) .003(4) .002(4) .001(3) O3 .017(3) .021(3) .015(3) .000(3) -.001(2) -.001(2) C1 .023(5) .008(4) .022(4) .003(3) .004(4) -.003(3) C2 .014(4) .013(4) .020(4) .004(3) -.001(3) .003(4) 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 Mo O3 . 1.682(7) yes Mo O1 . 1.755(7) yes Mo O2 . 1.799(8) yes Mo O2 3_646 1.976(9) ? Mo O1 6_557 2.086(8) ? Mo N1 . 2.449(8) yes N1 C1 . 1.338(11) no N1 C2 . 1.349(11) no O1 Mo 6_657 2.086(8) no O2 Mo 3_656 1.976(9) no C1 C2 5_657 1.372(12) no C2 C1 5_657 1.372(12) no _cod_database_code 2200108