#------------------------------------------------------------------------------ #$Date: 2013-08-29 16:37:19 +0100 (Thu, 29 Aug 2013) $ #$Revision: 88064 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/42/2104205.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_2104205 loop_ _publ_author_name 'Udovenko, Anatoly A.' 'Laptash, Natalia M.' _publ_section_title ; Orientational disorder and phase transitions in crystals of (NH~4~)~2~NbOF~5~ ; _journal_issue 5 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 527 _journal_page_last 533 _journal_volume 64 _journal_year 2008 _chemical_formula_moiety 'F5 Nb O, 2(H4 N)' _chemical_formula_sum 'F5 H8 N2 Nb O' _chemical_formula_weight 239.99 _chemical_name_common 'ammonium pentafluorooxoniobate(V)' _chemical_name_systematic 'ammonium pentafluorooxoniobate(V)' _space_group_IT_number 9 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'I -2ya' _symmetry_space_group_name_H-M 'I 1 a 1' _atom_sites_solution_hydrogens difmap _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.110(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 14.3384(14) _cell_length_b 5.9804(6) _cell_length_c 14.4524(14) _cell_measurement_reflns_used 944 _cell_measurement_temperature 198(2) _cell_measurement_theta_max 39.01 _cell_measurement_theta_min 2.00 _cell_volume 1239.3(2) _computing_cell_refinement 'Bruker SAINT v6.02a (Bruker, 2000)' _computing_data_collection 'Bruker Smart v5.054 (Bruker, 1998)' _computing_data_reduction 'Bruker SAINT v6.02a (Bruker, 2000)' _computing_molecular_graphics 'Bruker SHELXTL v5.1 (Bruker, 1998)' _computing_publication_material 'Bruker SHELXTL v5.1 (Bruker, 1998)' _computing_structure_refinement 'Bruker SHELXTL v5.1 (Bruker, 1998)' _computing_structure_solution 'Bruker SHELXTL v5.1 (Bruker, 1998)' _diffrn_ambient_temperature 198(2) _diffrn_detector_area_resol_mean 8.33 _diffrn_measured_fraction_theta_full 0.969 _diffrn_measured_fraction_theta_max 0.969 _diffrn_measurement_device_type 'Bruker Smart 1000 CCD' _diffrn_measurement_method '\f and \w scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0251 _diffrn_reflns_av_sigmaI/netI 0.0316 _diffrn_reflns_limit_h_max 25 _diffrn_reflns_limit_h_min -25 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min -9 _diffrn_reflns_limit_l_max 25 _diffrn_reflns_limit_l_min -25 _diffrn_reflns_number 16431 _diffrn_reflns_theta_full 39.01 _diffrn_reflns_theta_max 38.01 _diffrn_reflns_theta_min 2.00 _exptl_absorpt_coefficient_mu 1.978 _exptl_absorpt_correction_T_max 0.5702 _exptl_absorpt_correction_T_min 0.5702 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details 'SADABS v.2.03; Bruker 1999' _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 2.573 _exptl_crystal_density_method 'not measured' _exptl_crystal_description sphere _exptl_crystal_F_000 928 _exptl_crystal_size_max 0.32 _exptl_crystal_size_mid 0.32 _exptl_crystal_size_min 0.32 _exptl_crystal_size_rad 0.16 _refine_diff_density_max 0.891 _refine_diff_density_min -1.276 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.11(10) _refine_ls_extinction_coef 0.02053(17) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 1.054 _refine_ls_hydrogen_treatment noref _refine_ls_matrix_type full _refine_ls_number_parameters 165 _refine_ls_number_reflns 6354 _refine_ls_number_restraints 2 _refine_ls_restrained_S_all 1.053 _refine_ls_R_factor_all 0.0254 _refine_ls_R_factor_gt 0.0226 _refine_ls_shift/su_max 0.108 _refine_ls_shift/su_mean 0.028 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0199P)^2^+1.2051P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0569 _refine_ls_wR_factor_ref 0.0591 _reflns_number_gt 5715 _reflns_number_total 6354 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file bp5012.cif _[local]_cod_data_source_block 198K _[local]_cod_cif_authors_sg_H-M Ia _[local]_cod_chemical_formula_sum_orig ' F5 H8 N2 Nb O' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_exptl_absorpt_correction_type' value 'Multi-scan' changed to 'multi-scan' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. '_exptl_absorpt_correction_type' value 'Multi-scan' changed to 'multi-scan' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2104205 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x+1/2, -y, z' 'x+1/2, y+1/2, z+1/2' 'x+1, -y+1/2, z+1/2' loop_ _atom_site_type_symbol _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_occupancy Nb Nb1 0.459910(5) 0.250735(17) 0.548718(6) 0.00999(2) Uani d 1 Nb Nb2 0.759013(5) 0.750683(18) 0.800268(6) 0.00939(3) Uani d 1 N N1 0.64125(11) 0.75774(18) 0.56165(11) 0.0149(3) Uani d 1 N N2 0.58602(12) 0.2530(2) 0.78689(13) 0.0169(3) Uani d 1 N N3 0.92720(11) 0.24262(18) 0.80472(12) 0.0141(3) Uani d 1 N N4 0.78678(13) 0.2595(2) 0.54881(17) 0.0182(3) Uani d 1 O O1 0.34219(9) 0.21532(18) 0.53057(8) 0.0133(2) Uani d 1 O O2 0.87806(10) 0.7115(3) 0.81595(11) 0.0226(3) Uani d 1 F F1 0.60349(9) 0.3000(2) 0.58197(9) 0.0277(3) Uani d 1 F F2 0.50836(8) 0.03483(18) 0.46154(7) 0.0204(2) Uani d 1 F F3 0.47245(9) 0.02876(17) 0.64315(8) 0.0227(2) Uani d 1 F F4 0.44878(7) 0.49141(18) 0.63683(8) 0.0181(2) Uani d 1 F F5 0.48215(10) 0.4830(2) 0.45742(8) 0.0272(3) Uani d 1 F F6 0.61521(8) 0.7931(2) 0.76621(9) 0.0162(2) Uani d 1 F F7 0.76916(12) 0.9939(2) 0.71070(8) 0.0257(3) Uani d 1 F F8 0.73528(10) 0.98431(19) 0.89173(8) 0.0182(2) Uani d 1 F F9 0.71513(10) 0.52575(19) 0.88827(8) 0.0198(3) Uani d 1 F F10 0.74541(8) 0.52407(19) 0.70428(8) 0.0169(2) Uani d 1 H H1 0.6953 0.7913 0.5609 0.055 Uiso d 1 H H2 0.6059 0.8298 0.5198 0.055 Uiso d 1 H H3 0.6195 0.8091 0.6170 0.055 Uiso d 1 H H4 0.6301 0.6272 0.5638 0.055 Uiso d 1 H H5 0.6153 0.3198 0.8289 0.055 Uiso d 1 H H6 0.5995 0.3100 0.7389 0.055 Uiso d 1 H H7 0.5219 0.2749 0.7963 0.055 Uiso d 1 H H8 0.5998 0.1095 0.7856 0.055 Uiso d 1 H H9 0.9834 0.2344 0.7825 0.055 Uiso d 1 H H10 0.8900 0.1936 0.7595 0.055 Uiso d 1 H H11 0.9167 0.3716 0.8192 0.055 Uiso d 1 H H12 0.9277 0.1593 0.8544 0.055 Uiso d 1 H H13 0.8302 0.3245 0.5817 0.055 Uiso d 1 H H14 0.7814 0.3328 0.4996 0.055 Uiso d 1 H H15 0.7359 0.2374 0.5754 0.055 Uiso d 1 H H16 0.8094 0.1299 0.5326 0.055 Uiso d 1 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 Nb1 0.00966(5) 0.01076(5) 0.00956(5) -0.00032(3) 0.00010(5) 0.00086(3) Nb2 0.00906(5) 0.00876(4) 0.01033(5) 0.00014(3) -0.00126(6) -0.00079(3) N1 0.0151(5) 0.0120(4) 0.0176(6) -0.0001(3) 0.0029(5) -0.0008(3) N2 0.0110(5) 0.0217(7) 0.0180(7) -0.0002(4) -0.0040(5) -0.0022(4) N3 0.0181(5) 0.0143(4) 0.0100(5) -0.0023(4) -0.0029(5) 0.0021(3) N4 0.0169(6) 0.0142(5) 0.0234(7) 0.0046(4) 0.0057(7) 0.0000(4) O1 0.0155(4) 0.0122(3) 0.0122(4) 0.0020(4) -0.0011(4) -0.0020(3) O2 0.0087(4) 0.0346(6) 0.0244(7) 0.0058(5) -0.0029(5) -0.0079(5) F1 0.0211(5) 0.0335(5) 0.0285(5) -0.0011(5) -0.0054(4) 0.0079(5) F2 0.0211(4) 0.0232(4) 0.0167(4) 0.0073(4) -0.0014(4) -0.0014(3) F3 0.0285(5) 0.0181(4) 0.0216(4) 0.0029(4) 0.0014(4) 0.0140(3) F4 0.0122(3) 0.0191(4) 0.0229(4) 0.0030(3) -0.0016(3) -0.0094(3) F5 0.0343(6) 0.0266(5) 0.0207(5) -0.0106(5) -0.0029(5) 0.0033(4) F6 0.0047(3) 0.0174(3) 0.0264(5) 0.0034(4) -0.0010(4) 0.0024(4) F7 0.0435(7) 0.0179(4) 0.0158(4) 0.0029(5) 0.0055(5) 0.0057(4) F8 0.0256(5) 0.0134(4) 0.0154(4) 0.0032(4) -0.0027(4) -0.0128(3) F9 0.0287(6) 0.0155(4) 0.0151(4) -0.0054(4) -0.0021(4) 0.0075(3) F10 0.0168(4) 0.0195(4) 0.0144(4) 0.0021(4) -0.0019(4) -0.0036(3) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' F F 0.0171 0.0103 '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' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O1 Nb1 F3 96.56(5) O1 Nb1 F4 96.32(5) F3 Nb1 F4 93.13(5) O1 Nb1 F2 99.90(5) F3 Nb1 F2 88.17(5) F4 Nb1 F2 163.47(5) O1 Nb1 F5 98.44(6) F3 Nb1 F5 164.99(6) F4 Nb1 F5 85.91(5) F2 Nb1 F5 88.59(5) O1 Nb1 F1 175.64(5) F3 Nb1 F1 81.13(5) F4 Nb1 F1 80.17(5) F2 Nb1 F1 83.76(5) F5 Nb1 F1 83.95(6) O2 Nb2 F10 95.51(6) O2 Nb2 F7 96.46(7) F10 Nb2 F7 93.07(5) O2 Nb2 F8 100.41(7) F10 Nb2 F8 164.07(6) F7 Nb2 F8 85.94(5) O2 Nb2 F9 98.02(7) F10 Nb2 F9 87.29(5) F7 Nb2 F9 165.41(7) F8 Nb2 F9 89.73(5) O2 Nb2 F6 174.11(7) F10 Nb2 F6 79.82(5) F7 Nb2 F6 80.31(6) F8 Nb2 F6 84.34(5) F9 Nb2 F6 85.41(5) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance Nb1 O1 . 1.7208(13) Nb1 F3 . 1.9122(10) Nb1 F4 . 1.9286(11) Nb1 F2 . 1.9341(11) Nb1 F5 . 1.9427(13) Nb1 F1 . 2.1336(14) Nb2 O2 . 1.7374(14) Nb2 F10 . 1.9489(12) Nb2 F7 . 1.9528(13) Nb2 F8 . 1.9537(11) Nb2 F9 . 1.9561(12) Nb2 F6 . 2.1340(11) N1 F1 . 2.8060(18) N1 F10 . 2.9018(19) N1 F2 1_565 2.9085(18) N1 O1 2_565 2.921(2) N1 F6 . 2.988(2) N1 F9 4_464 3.015(2) N1 H1 . 0.8002 N1 H2 . 0.8984 N1 H3 . 0.9125 N1 H4 . 0.7978 N2 F6 1_545 2.7977(18) N2 F9 . 2.868(2) N2 F3 . 2.958(2) N2 F1 . 2.986(2) N2 O2 2_465 3.020(2) N2 F2 4_455 3.038(2) N2 F10 . 3.048(2) N2 F8 1_545 3.073(2) N2 H5 . 0.8391 N2 H6 . 0.7964 N2 H7 . 0.9393 N2 H8 . 0.8802 N3 F6 2_565 2.762(2) N3 F5 3_545 2.810(2) N3 O2 . 2.896(2) N3 F3 2 2.9177(19) N3 F4 2_565 2.9183(19) N3 F7 1_545 3.030(2) N3 F2 3 3.0878(19) N3 H9 . 0.8685 N3 H10 . 0.8927 N3 H11 . 0.8136 N3 H12 . 0.8741 N4 F1 . 2.683(2) N4 F10 . 2.812(2) N4 F8 4_464 2.835(2) N4 F7 1_545 2.840(2) N4 O1 2 2.9608(18) N4 F4 2_565 3.036(2) N4 F9 4_454 3.056(2) N4 H13 . 0.8734 N4 H14 . 0.8386 N4 H15 . 0.8350 N4 H16 . 0.8723 O1 F3 . 2.7146(17) O1 F4 . 2.7224(16) O1 F5 . 2.7778(18) O1 F2 . 2.8012(16) O2 F10 . 2.732(2) O2 F7 . 2.756(2) O2 F9 . 2.792(2) O2 F8 . 2.839(2) F1 F4 . 2.6204(17) F1 F3 . 2.6362(18) F1 F2 . 2.7195(18) F1 F5 . 2.7300(19) F2 F3 . 2.6760(15) F2 F5 . 2.7073(18) F3 F4 . 2.7891(15) F4 F5 . 2.6380(17) F6 F10 . 2.6234(16) F6 F7 . 2.639(2) F6 F8 . 2.7476(17) F6 F9 . 2.7770(17) F7 F8 . 2.6626(17) F7 F10 . 2.8319(19) _cod_database_fobs_code 2104205