#------------------------------------------------------------------------------ #$Date$ #$Revision$ #$URL$ #------------------------------------------------------------------------------ # # 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_2104095 loop_ _publ_author_name 'Arakcheeva, Alla' 'Pattison, Philip' 'Chapuis, Gervais' 'Rossell, Marta' 'Filaretov, Andrey' 'Morozov, Vladimir' 'Van Tendeloo, Gustaaf' _publ_section_title ; KSm(MoO~4~)~2~, an incommensurately modulated and partially disordered scheelite-like structure ; _journal_coeditor_code SN5063 _journal_issue 2 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 160 _journal_page_last 171 _journal_volume 64 _journal_year 2008 _chemical_formula_analytical KSm(MoO4)2 _chemical_formula_iupac KSm(MoO4)2 _chemical_formula_moiety '(K1+),(Sm3+),(MoO4 2-)2' _chemical_formula_structural KSm(MoO4)2 _chemical_formula_sum 'K1 Mo2 O8 Sm1' _chemical_formula_weight 509.3 _chemical_name_common KSm(MoO4)2 _chemical_name_systematic ' potassium samarium molybdenum oxide' _space_group_ssg_name I2/b(\a\b0)00 _symmetry_cell_setting monoclinic _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 91.1388(5) _cell_formula_units_Z 2 _cell_length_a 5.5279(2) _cell_length_b 5.2994(2) _cell_length_c 11.78410(10) _cell_measurement_temperature 273 _cell_modulation_dimension 1 _cell_volume 345.1445 _computing_publication_material 'Jana2006 (Petricek, Dusek & Palatinus, 2006)' _computing_structure_refinement 'Jana2006 (Petricek, Dusek & Palatinus, 2006)' _diffrn_ambient_temperature 293 _diffrn_measurement_device_type MAR345 _diffrn_radiation_monochromator Si(111) _diffrn_radiation_type synchrotron _diffrn_radiation_wavelength 0.7114 _exptl_absorpt_coefficient_mu 12.588 _exptl_absorpt_correction_type none _exptl_crystal_density_diffrn 4.8993 _exptl_crystal_density_meas none _exptl_crystal_density_method none _exptl_crystal_F_000 458 _refine_ls_extinction_method none _refine_ls_hydrogen_treatment none _refine_ls_number_constraints none _refine_ls_number_parameters 42 _refine_ls_number_restraints 1 _refine_ls_R_factor_all 0.0139 _refine_ls_R_factor_gt 0.0139 _refine_ls_shift/su_max 0.0018 _refine_ls_shift/su_mean 0.0002 _refine_ls_weighting_scheme sigma _refine_ls_wR_factor_gt 0.0160 _refine_ls_wR_factor_ref 0.0160 _[local]_cod_data_source_file sn5063.cif _[local]_cod_data_source_block I loop_ _space_group_symop_ssg_id _space_group_symop_ssg_operation_algebraic 1 x1,x2,x3,x4 2 -x1,-x2+1/2,x3,-x4 3 -x1,-x2,-x3,-x4 4 x1,x2+1/2,-x3,x4 5 x1+1/2,x2+1/2,x3+1/2,x4 6 -x1+1/2,-x2,x3+1/2,-x4 7 -x1+1/2,-x2+1/2,-x3+1/2,-x4 8 x1+1/2,x2,-x3+1/2,x4 loop_ _cell_wave_vector_seq_id _cell_wave_vector_x _cell_wave_vector_y _cell_wave_vector_z 1 0.56773 -0.12677 0.00000 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source K 0.203 0.254 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' Sm -0.105 3.487 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' Mo -1.664 0.702 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' O 0.011 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' 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 K K 0.5 0.25 0.866136 0.0251 Uiso d 0.5 Sm Sm 0.5 0.25 0.8780(5) 0.0001(3) Uiso d 0.5 Mo Mo 0.5 0.25 0.37801(8) 0.0126(2) Uiso d 1 O O1 0.3543(3) 0.0109(4) 0.29180(17) 0.0093(8) Uiso d 1 O O2 0.7632(5) 0.3985(4) 0.04196(18) 0.0225(9) Uiso d 1 loop_ _atom_site_Fourier_wave_vector_seq_id _atom_site_Fourier_wave_vector_x _atom_site_Fourier_wave_vector_z 1 0.56773 0.00000 2 1.13546 0.00000 3 1.70318 0.00000 loop_ _atom_site_displace_Fourier_atom_site_label _atom_site_displace_Fourier_axis _atom_site_displace_Fourier_wave_vector_seq_id _atom_site_displace_Fourier_param_cos _atom_site_displace_Fourier_param_sin K x 1 0 -0.0531(9) K y 1 0 0.0025(14) K z 1 0.019 0 Sm x 1 0 0.0130(8) Sm y 1 0 0.0358(7) Sm z 1 0.00344(13) 0 Sm x 2 0 0.0026(10) Sm y 2 0 0.0261(8) Sm z 2 0.0055(3) 0 Mo x 1 0 0.0332(2) Mo y 1 0 -0.00630(19) Mo z 1 0.01375(13) 0 O1 x 1 0.0016(8) 0.0273(8) O1 y 1 0.0251(9) 0.0070(9) O1 z 1 0.0070(3) -0.0120(4) O2 x 1 0.0346(7) 0.0138(7) O2 y 1 0.0135(10) -0.0258(10) O2 z 1 -0.0057(4) 0.0015(4) loop_ _atom_site_occ_Fourier_atom_site_label _atom_site_occ_Fourier_wave_vector_seq_id _atom_site_occ_Fourier_param_cos _atom_site_occ_Fourier_param_sin K 1 0.5780(11) 0 K 2 0.003(5) 0 K 3 -0.1697(18) 0 Sm 1 -0.5780(11) 0 Sm 2 -0.003(5) 0 Sm 3 0.1697(18) 0 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_publ_flag _geom_bond_distance_max _geom_bond_distance_min _geom_bond_distance_av K O1 5_555 yes 2.918(6) 2.185(6) 2.575(6) K O1 6_555 yes 2.918(6) 2.188(7) 2.573(6) K O1 3_656 yes 2.851(5) 2.094(5) 2.523(6) K O1 4_556 yes 2.852(5) 2.095(5) 2.522(6) K O2 1_556 yes 2.806(6) 2.487(5) 2.645(6) K O2 2_656 yes 2.807(5) 2.487(5) 2.644(6) K O2 3_666 yes 2.788(7) 2.474(8) 2.635(7) K O2 4_546 yes 2.788(7) 2.474(8) 2.637(7) Sm O1 5_555 yes 2.896(6) 2.395(6) 2.566(7) Sm O1 6_555 yes 2.893(6) 2.395(6) 2.569(7) Sm O1 3_656 yes 2.899(6) 2.386(6) 2.545(6) Sm O1 4_556 yes 2.899(6) 2.386(6) 2.543(6) Sm O2 1_556 yes 2.779(7) 2.442(7) 2.546(6) Sm O2 2_656 yes 2.779(7) 2.443(7) 2.550(6) Sm O2 3_666 yes 2.824(8) 2.378(6) 2.563(7) Sm O2 4_546 yes 2.827(9) 2.378(6) 2.565(7) Mo O1 . yes 1.847(5) 1.765(5) 1.807(5) Mo O1 2_655 yes 1.847(5) 1.765(5) 1.807(5) Mo O1 7_555 yes 3.262(5) 2.931(5) 3.095(5) Mo O1 8_555 yes 3.262(5) 2.931(5) 3.092(5) Mo O2 5_445 yes 3.254(5) 2.687(5) 2.970(5) Mo O2 6_665 yes 3.254(5) 2.687(5) 2.970(5) Mo O2 7_655 yes 1.843(5) 1.783(5) 1.812(5) Mo O2 8_455 yes 1.843(5) 1.783(5) 1.812(5) 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_publ_flag _geom_angle_max _geom_angle_min _geom_angle_av O1 K O1 5_555 6_555 yes 151.06(18) 130.09(15) 137.92(17) O1 K O1 5_555 3_656 yes 94.8(2) 64.00(17) 77.64(17) O1 K O1 5_555 4_556 yes 78.6(2) 65.26(18) 71.27(18) O1 K O2 5_555 1_556 yes 72.30(17) 70.9(2) 71.48(18) O1 K O2 5_555 2_656 yes 158.17(16) 137.17(17) 147.73(19) O1 K O2 5_555 3_666 yes 107.2(3) 92.9(3) 100.3(2) O1 K O2 5_555 4_546 yes 103.5(3) 88.6(2) 95.39(19) O1 K O1 6_555 3_656 yes 78.6(2) 65.26(18) 71.30(18) O1 K O1 6_555 4_556 yes 94.8(2) 64.00(17) 77.71(17) O1 K O2 6_555 1_556 yes 158.17(16) 137.17(17) 147.70(19) O1 K O2 6_555 2_656 yes 72.30(17) 71.0(2) 71.49(18) O1 K O2 6_555 3_666 yes 103.4(3) 88.6(2) 95.45(19) O1 K O2 6_555 4_546 yes 107.2(3) 92.9(3) 100.2(2) O1 K O1 3_656 4_556 yes 90.8(2) 75.25(15) 80.86(17) O1 K O2 3_656 1_556 yes 139.2(3) 112.5(2) 124.5(2) O1 K O2 3_656 2_656 yes 130.1(2) 122.8(3) 126.5(2) O1 K O2 3_656 3_666 yes 166.83(18) 143.52(16) 153.17(19) O1 K O2 3_656 4_546 yes 80.0(3) 68.26(19) 73.52(19) O1 K O2 4_556 1_556 yes 130.1(2) 122.8(3) 126.5(2) O1 K O2 4_556 2_656 yes 139.2(3) 112.5(2) 124.6(2) O1 K O2 4_556 3_666 yes 80.1(3) 68.3(2) 73.55(19) O1 K O2 4_556 4_546 yes 166.83(18) 143.51(16) 153.14(19) O2 K O2 1_556 2_656 yes 89.04(16) 65.80(15) 78.10(15) O2 K O2 1_556 3_666 yes 87.31(16) 66.63(15) 77.83(18) O2 K O2 1_556 4_546 yes 68.8(2) 61.64(18) 64.97(18) O2 K O2 2_656 3_666 yes 68.8(2) 61.64(18) 65.00(18) O2 K O2 2_656 4_546 yes 87.31(16) 66.64(15) 77.80(18) O2 K O2 3_666 4_546 yes 142.56(15) 119.25(16) 132.13(16) O1 Sm O1 5_555 6_555 yes 135.91(19) 129.3(3) 133.4(2) O1 Sm O1 5_555 3_656 yes 83.0(2) 68.8(2) 75.0(2) O1 Sm O1 5_555 4_556 yes 72.3(2) 66.74(18) 69.50(18) O1 Sm O2 5_555 1_556 yes 83.2(2) 61.60(19) 73.5(2) O1 Sm O2 5_555 2_656 yes 164.6(2) 137.5(2) 151.7(2) O1 Sm O2 5_555 3_666 yes 118.4(3) 85.6(2) 101.3(2) O1 Sm O2 5_555 4_546 yes 99.4(3) 91.1(2) 95.4(2) O1 Sm O1 6_555 3_656 yes 72.3(2) 66.74(18) 69.49(18) O1 Sm O1 6_555 4_556 yes 83.0(2) 68.81(19) 75.2(2) O1 Sm O2 6_555 1_556 yes 164.8(2) 137.5(2) 151.4(2) O1 Sm O2 6_555 2_656 yes 83.2(2) 61.60(18) 73.2(2) O1 Sm O2 6_555 3_666 yes 99.4(3) 91.1(2) 95.3(2) O1 Sm O2 6_555 4_546 yes 118.4(3) 85.6(2) 100.9(2) O1 Sm O1 3_656 4_556 yes 79.8(2) 74.7(2) 78.04(19) O1 Sm O2 3_656 1_556 yes 130.33(18) 119.5(2) 125.5(3) O1 Sm O2 3_656 2_656 yes 140.6(3) 117.6(3) 127.4(2) O1 Sm O2 3_656 3_666 yes 152.8(3) 143.43(19) 149.8(2) O1 Sm O2 3_656 4_546 yes 78.2(2) 67.3(2) 73.3(2) O1 Sm O2 4_556 1_556 yes 140.6(3) 117.6(3) 127.6(2) O1 Sm O2 4_556 2_656 yes 130.33(17) 119.4(2) 125.6(3) O1 Sm O2 4_556 3_666 yes 78.2(2) 67.4(2) 73.4(2) O1 Sm O2 4_556 4_546 yes 152.8(3) 143.48(19) 149.8(2) O2 Sm O2 1_556 2_656 yes 89.7(2) 75.59(18) 79.33(19) O2 Sm O2 1_556 3_666 yes 91.19(19) 72.42(18) 78.8(2) O2 Sm O2 1_556 4_546 yes 70.9(2) 64.0(2) 67.1(2) O2 Sm O2 2_656 3_666 yes 70.9(2) 64.0(2) 67.1(2) O2 Sm O2 2_656 4_546 yes 91.29(19) 72.41(18) 78.64(19) O2 Sm O2 3_666 4_546 yes 143.4(3) 131.5(2) 134.8(2) O1 Mo O1 . 2_655 yes 116.0(2) 106.7(2) 111.2(2) O1 Mo O1 . 7_555 yes 78.89(19) 59.89(19) 69.22(19) O1 Mo O1 . 8_555 yes 72.24(18) 63.34(18) 67.97(18) O1 Mo O2 . 5_445 yes 78.31(19) 71.71(19) 75.00(19) O1 Mo O2 . 6_665 yes 177.32(19) 167.34(19) 172.98(19) O1 Mo O2 . 7_655 yes 112.7(2) 102.8(2) 107.8(2) O1 Mo O2 . 8_455 yes 106.9(2) 105.0(2) 106.2(2) O1 Mo O1 2_655 7_555 yes 72.24(18) 63.34(18) 68.03(18) O1 Mo O1 2_655 8_555 yes 78.88(19) 59.89(19) 69.37(19) O1 Mo O2 2_655 5_445 yes 177.32(19) 167.34(19) 172.90(19) O1 Mo O2 2_655 6_665 yes 78.31(19) 71.71(19) 74.93(19) O1 Mo O2 2_655 7_655 yes 106.9(2) 105.0(2) 106.2(2) O1 Mo O2 2_655 8_455 yes 112.7(2) 102.8(2) 107.7(2) O1 Mo O1 7_555 8_555 yes 100.75(14) 97.84(15) 99.18(14) O1 Mo O2 7_555 5_445 yes 117.71(13) 110.06(13) 113.82(13) O1 Mo O2 7_555 6_665 yes 119.43(15) 112.35(15) 115.95(15) O1 Mo O2 7_555 7_655 yes 171.62(19) 166.4(2) 169.33(19) O1 Mo O2 7_555 8_455 yes 76.75(19) 67.19(19) 72.03(19) O1 Mo O2 8_555 5_445 yes 119.43(15) 112.34(15) 115.88(15) O1 Mo O2 8_555 6_665 yes 117.71(13) 110.06(13) 113.87(13) O1 Mo O2 8_555 7_655 yes 76.75(19) 67.19(19) 72.00(19) O1 Mo O2 8_555 8_455 yes 171.62(19) 166.4(2) 169.35(19) O2 Mo O2 5_445 6_665 yes 101.30(17) 96.79(14) 98.93(15) O2 Mo O2 5_445 7_655 yes 74.80(19) 70.46(19) 72.62(19) O2 Mo O2 5_445 8_455 yes 74.7(2) 60.9(2) 67.7(2) O2 Mo O2 6_665 7_655 yes 74.7(2) 60.9(2) 67.7(2) O2 Mo O2 6_665 8_455 yes 74.80(19) 70.46(19) 72.59(19) O2 Mo O2 7_655 8_455 yes 124.6(3) 110.2(2) 117.2(2)