#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/68/2006832.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2006832 loop_ _publ_author_name 'Schmidt, Peter Josef' 'Thiele, Gerhard' _publ_section_title ; A New Structural Variation of Nb~3~YX~7~ Compounds: Monoclinic Nb~3~SI~7~ ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1743 _journal_page_last 1745 _journal_paper_doi 10.1107/S0108270197008196 _journal_volume 53 _journal_year 1997 _chemical_formula_moiety Nb3SI7 _chemical_formula_sum 'I7 Nb3 S' _chemical_formula_weight 1199.09 _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90.00 _cell_angle_beta 99.49(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 15.564(3) _cell_length_b 12.441(2) _cell_length_c 7.800(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 19.00 _cell_measurement_theta_min 10.11 _cell_volume 1489.7(6) _computing_cell_refinement 'CAD-4 Software' _computing_data_collection 'CAD-4 Software (Enraf-Nonius, 1989)' _computing_data_reduction 'CAD-4/CAD-6 (Keller, 1981)' _computing_molecular_graphics 'SCHAKAL92 (Keller, 1992)' _computing_structure_refinement 'SHELXL93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1985)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Enraf-Nonius CAD4' _diffrn_measurement_method \w _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.0000 _diffrn_reflns_av_sigmaI/netI 0.0296 _diffrn_reflns_limit_h_max 20 _diffrn_reflns_limit_h_min -20 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 10 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 3588 _diffrn_reflns_theta_max 27.96 _diffrn_reflns_theta_min 3.11 _diffrn_standards_decay_% 0 _diffrn_standards_interval_time 120 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 16.872 _exptl_absorpt_correction_T_max 0.5154 _exptl_absorpt_correction_T_min 0.1445 _exptl_absorpt_correction_type numerical _exptl_absorpt_process_details 'SHELXTL/PC (Sheldrick, 1994)' _exptl_crystal_colour metallic_black _exptl_crystal_density_diffrn 5.347 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 2040 _exptl_crystal_size_max 0.09 _exptl_crystal_size_mid 0.09 _exptl_crystal_size_min 0.02 _refine_diff_density_max 1.655 _refine_diff_density_min -1.943 _refine_ls_extinction_coef 0.00037(4) _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_all 1.082 _refine_ls_goodness_of_fit_obs 1.086 _refine_ls_hydrogen_treatment none _refine_ls_matrix_type full _refine_ls_number_parameters 101 _refine_ls_number_reflns 3576 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.182 _refine_ls_restrained_S_obs 1.086 _refine_ls_R_factor_all 0.0439 _refine_ls_R_factor_obs .0305 _refine_ls_shift/esd_max 0.001 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0401P)^2^+13.9960P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0923 _refine_ls_wR_factor_obs .0769 _reflns_number_gt 2955 _reflns_number_total 3588 _reflns_observed_criterion >2sigma(I) _cod_data_source_file jz1212.cif _cod_data_source_block Nb~3~SI~7~ _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w = 1/[\s^2^(Fo^2^)+(0.0401P)^2^+13.9960P] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 1/[\s^2^(Fo^2^)+(0.0401P)^2^+13.9960P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 1489.7(5) _cod_original_sg_symbol_H-M 'P 21/c' _cod_original_formula_sum 'Nb3 S I7' _cod_database_code 2006832 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' 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 I2 .0203(2) .0176(2) .0252(3) -.0033(2) .0048(2) -.0023(2) I1 .0218(2) .0225(2) .0108(2) -.0005(2) .0042(2) .0007(2) I5 .0199(3) .0295(3) .0313(3) -.0009(2) .0045(2) -.0183(2) I6 .0208(3) .0242(3) .0291(3) .0050(2) .0102(2) .0137(2) I3 .0216(2) .0174(2) .0247(3) .0047(2) .0044(2) -.0013(2) Nb1 .0142(3) .0122(3) .0116(3) -.0001(2) .0026(2) -.0001(2) I7 .0162(2) .0330(3) .0125(2) -.0008(2) .0027(2) .0004(2) Nb2 .0136(3) .0121(3) .0120(3) .0002(2) .0027(2) -.0002(2) Nb3 .0126(3) .0150(3) .0101(3) .0004(2) .0023(2) -.0004(2) S1 .0176(8) .0218(8) .0120(7) .0009(7) .0029(6) -.0017(7) I4 .0151(2) .0184(2) .0236(2) -.0002(2) .0018(2) -.0005(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_thermal_displace_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_group _atom_site_type_symbol I2 .13456(3) .77604(4) .07300(7) .02090(12) Uani d . 1 . I I1 .23518(3) .98759(4) .41994(6) .01821(12) Uani d . 1 . I I5 .37830(4) 1.25385(5) .43865(8) .02688(14) Uani d . 1 . I I6 .36892(3) .71576(4) .36208(7) .02400(13) Uani d . 1 . I I3 .13909(3) 1.22808(4) .11887(7) .02117(12) Uani d . 1 . I Nb1 .29518(4) 1.11129(5) .16000(8) .01262(14) Uani d . 1 . Nb I7 .01984(3) 1.00663(4) -.24075(6) .02051(12) Uani d . 1 . I Nb2 .29250(4) .88890(5) .13074(8) .01250(14) Uani d . 1 . Nb Nb3 .13753(4) 1.00248(5) .08257(8) .01255(14) Uani d . 1 . Nb S1 .24533(13) 1.01384(15) -.1064(2) .0171(3) Uani d . 1 . S I4 .45197(3) .99448(4) .23049(7) .01916(12) Uani d . 1 . I loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Nb Nb -2.0727 0.6215 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' I I -0.4742 1.8119 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag Nb2 I2 Nb3 . . 58.99(2) no Nb3 I1 Nb1 . . 59.02(2) yes Nb3 I1 Nb2 . . 58.56(2) yes Nb1 I1 Nb2 . . 58.71(2) yes Nb1 I5 Nb1 4_586 . 127.77(3) no Nb2 I6 Nb2 4_576 . 127.19(3) no Nb1 I3 Nb3 . . 59.25(2) no S1 Nb1 Nb2 . . 55.38(5) no S1 Nb1 Nb3 . . 54.77(5) no Nb2 Nb1 Nb3 . . 59.74(2) yes S1 Nb1 I3 . . 90.71(6) no Nb2 Nb1 I3 . . 120.41(3) no Nb3 Nb1 I3 . . 60.69(2) no S1 Nb1 I4 . . 93.09(5) no Nb2 Nb1 I4 . . 60.16(2) no Nb3 Nb1 I4 . . 119.78(3) no I3 Nb1 I4 . . 175.37(3) no S1 Nb1 I1 . . 104.26(5) no Nb2 Nb1 I1 . . 60.90(2) no Nb3 Nb1 I1 . . 60.41(3) no I3 Nb1 I1 . . 88.95(3) no I4 Nb1 I1 . . 87.54(3) no S1 Nb1 I5 . 4_585 83.61(5) no Nb2 Nb1 I5 . 4_585 122.44(3) no Nb3 Nb1 I5 . 4_585 128.64(3) no I3 Nb1 I5 . 4_585 95.53(3) no I4 Nb1 I5 . 4_585 87.54(3) no I1 Nb1 I5 . 4_585 170.93(3) no S1 Nb1 I5 . . 168.00(5) no Nb2 Nb1 I5 . . 131.45(3) no Nb3 Nb1 I5 . . 136.10(3) no I3 Nb1 I5 . . 92.26(3) no I4 Nb1 I5 . . 84.56(3) no I1 Nb1 I5 . . 87.43(3) no I5 Nb1 I5 4_585 . 84.53(2) no Nb3 I7 Nb3 . 3_575 94.96(3) no S1 Nb2 Nb3 . . 54.83(5) no S1 Nb2 Nb1 . . 54.88(5) no Nb3 Nb2 Nb1 . . 60.21(2) yes S1 Nb2 I2 . . 92.93(6) no Nb3 Nb2 I2 . . 60.80(2) no Nb1 Nb2 I2 . . 120.90(3) no S1 Nb2 I4 . . 93.10(5) no Nb3 Nb2 I4 . . 120.70(3) no Nb1 Nb2 I4 . . 60.62(2) no I2 Nb2 I4 . . 173.11(3) no S1 Nb2 I1 . . 103.46(5) no Nb3 Nb2 I1 . . 60.38(3) no Nb1 Nb2 I1 . . 60.39(2) no I2 Nb2 I1 . . 87.83(3) no I4 Nb2 I1 . . 87.51(3) no S1 Nb2 I6 . 4_575 81.09(5) no Nb3 Nb2 I6 . 4_575 125.90(3) no Nb1 Nb2 I6 . 4_575 120.48(3) no I2 Nb2 I6 . 4_575 96.48(3) no I4 Nb2 I6 . 4_575 87.76(3) no I1 Nb2 I6 . 4_575 173.61(3) no S1 Nb2 I6 . . 167.71(5) no Nb3 Nb2 I6 . . 135.60(3) no Nb1 Nb2 I6 . . 133.03(3) no I2 Nb2 I6 . . 89.25(3) no I4 Nb2 I6 . . 85.57(3) no I1 Nb2 I6 . . 88.71(3) no I6 Nb2 I6 4_575 . 86.65(2) no S1 Nb3 Nb2 . . 55.56(5) no S1 Nb3 Nb1 . . 55.01(5) no Nb2 Nb3 Nb1 . . 60.05(3) no S1 Nb3 I2 . . 93.00(5) no Nb2 Nb3 I2 . . 60.22(2) no Nb1 Nb3 I2 . . 120.17(3) no S1 Nb3 I1 . . 104.58(5) no Nb2 Nb3 I1 . . 61.06(3) no Nb1 Nb3 I1 . . 60.57(3) no I2 Nb3 I1 . . 87.88(2) no S1 Nb3 I3 . . 90.44(5) no Nb2 Nb3 I3 . . 120.11(3) no Nb1 Nb3 I3 . . 60.06(2) no I2 Nb3 I3 . . 175.66(3) no I1 Nb3 I3 . . 88.70(2) no S1 Nb3 I7 . . 82.48(5) no Nb2 Nb3 I7 . . 123.07(3) no Nb1 Nb3 I7 . . 126.60(3) no I2 Nb3 I7 . . 89.39(2) no I1 Nb3 I7 . . 172.54(3) no I3 Nb3 I7 . . 93.68(2) no S1 Nb3 I7 . 3_575 167.49(5) no Nb2 Nb3 I7 . 3_575 134.09(3) no Nb1 Nb3 I7 . 3_575 134.32(3) no I2 Nb3 I7 . 3_575 87.77(2) no I1 Nb3 I7 . 3_575 87.92(3) no I3 Nb3 I7 . 3_575 89.44(2) no I7 Nb3 I7 . 3_575 85.04(3) no Nb3 S1 Nb1 . . 70.23(5) yes Nb3 S1 Nb2 . . 69.61(5) yes Nb1 S1 Nb2 . . 69.74(6) yes Nb2 I4 Nb1 . . 59.22(2) no 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 I2 Nb2 . 2.8022(9) no I2 Nb3 . 2.8182(9) no I1 Nb3 . 2.8196(12) yes I1 Nb1 . 2.8241(9) yes I1 Nb2 . 2.8382(10) yes I5 Nb1 4_586 2.8646(9) no I5 Nb1 . 2.9353(10) no I6 Nb2 4_576 2.8849(10) no I6 Nb2 . 2.9331(9) no I3 Nb1 . 2.8033(9) no I3 Nb3 . 2.8206(9) no Nb1 S1 . 2.420(2) yes Nb1 Nb2 . 2.7759(10) yes Nb1 Nb3 . 2.7801(10) yes Nb1 I4 . 2.8154(9) no Nb1 I5 4_585 2.8646(10) no I7 Nb3 . 2.8627(13) no I7 Nb3 3_575 2.9208(11) no Nb2 S1 . 2.435(2) yes Nb2 Nb3 . 2.7671(10) yes Nb2 I4 . 2.8024(10) no Nb2 I6 4_575 2.8849(10) no Nb3 S1 . 2.413(2) yes Nb3 I7 3_575 2.9208(11) no