Four noncentrosymmetric molybdophosphates discovered by a chemical substitution strategy.
Gao, Zhixia; Li, Ke; Du, Hong; Baiheti, Tuohetijiang; Dalton transactions (Cambridge, England : 2003) 54 (2025) 4025–4029; doi:10.1039/d4dt03580a

data_7718067
_publ_section_title
;
 Four noncentrosymmetric molybdophosphates discovered by a chemical
 substitution strategy.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4025
_journal_page_last               4029
_journal_paper_doi               10.1039/d4dt03580a
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'K2 Mo5 O22 P2 Rb2'
_chemical_formula_sum            'K2 Mo5 O22 P2 Rb2'
_chemical_formula_weight         1142.78
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_atom_sites_solution_primary     dual
_audit_creation_date             2024-10-10
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-10-19 deposited with the CCDC.	2025-02-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4888(6)
_cell_length_b                   19.2240(14)
_cell_length_c                   17.3168(17)
_cell_measurement_reflns_used    2258
_cell_measurement_temperature    173.0
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      2.35
_cell_volume                     2160.1(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      173.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1165
_diffrn_reflns_av_unetI/netI     0.0669
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16913
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.552
_diffrn_reflns_theta_min         2.119
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.932
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5669
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1027 before and 0.0800 after correction.
The Ratio of minimum to maximum transmission is 0.7603.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    3.514
_exptl_crystal_description       block
_exptl_crystal_F_000             2112
_refine_diff_density_max         0.636
_refine_diff_density_min         -0.600
_refine_diff_density_rms         0.162
_refine_ls_abs_structure_details
;
 Flack x determined using 890 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.012(14)
_refine_ls_extinction_coef       0.00062(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         2499
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0339
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     'w=1/[\s^2^(Fo^2^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0703
_refine_ls_wR_factor_ref         0.0736
_reflns_Friedel_coverage         0.744
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                2298
_reflns_number_total             2499
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt03580a2.cif
_cod_data_source_block           aaa
_cod_depositor_comments
'Adding full bibliography for 7718064--7718067.cif.'
_cod_database_code               7718067
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Shared sites
{Rb2, K2}
2. Uiso/Uaniso restraints and constraints
Uanis(Rb2) = Uanis(K2)
3. Others
 Fixed Sof: Rb2(0.5) K2(0.5)
;
_olex2_submission_special_instructions 'No special instructions were received'