Selenotungstates incorporating organophosphonate ligands and metal ions: synthesis, characterization, magnetism and catalytic efficiency in the Knoevenagel condensation reaction.
Kong, Hui; He, Peipei; Yang, Zongfei; Xu, Qiaofei; Wang, Jiawei; Ban, Ran; Ma, Pengtao; Wang, Jingping; Niu, Jingyang; Dalton transactions (Cambridge, England : 2003) 49 (2020) 7420–7425; doi:10.1039/d0dt00444h

data_7704324
_publ_section_title
;
 Selenotungstates incorporating organophosphonate ligands and metal ions:
 synthesis, characterization, magnetism and catalytic efficiency in the
 Knoevenagel condensation reaction.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7420
_journal_page_last               7425
_journal_paper_doi               10.1039/d0dt00444h
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C18 H24 Co4 Cs2 N6 Na2 O78 P6 Se2 W12, 9(O)'
_chemical_formula_sum            'C18 H24 Co4 Cs2 N6 Na2 O87 P6 Se2 W12'
_chemical_formula_weight         4813.89
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_block_doi                 10.5517/ccdc.csd.cc23h1f3
_audit_creation_date             2020-04-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-04-10 deposited with the CCDC.	2020-05-05 downloaded from the CCDC.
;
_cell_angle_alpha                91.1360(10)
_cell_angle_beta                 103.4710(10)
_cell_angle_gamma                109.9070(10)
_cell_formula_units_Z            2
_cell_length_a                   16.7391(10)
_cell_length_b                   19.6892(13)
_cell_length_c                   24.9113(15)
_cell_measurement_reflns_used    8803
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.27
_cell_volume                     7463.0(8)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0362
_diffrn_reflns_av_unetI/netI     0.0860
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            38874
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.100
_diffrn_reflns_theta_max         25.100
_diffrn_reflns_theta_min         1.389
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    10.754
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.3794
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1199 before and 0.0418 after correction. The Ratio of minimum to maximum transmission is 0.5088. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    2.142
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4312
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.26
_refine_diff_density_max         3.216
_refine_diff_density_min         -2.036
_refine_diff_density_rms         0.252
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1135
_refine_ls_number_reflns         26376
_refine_ls_number_restraints     94
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.1025
_refine_ls_R_factor_gt           0.0609
_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^)+(0.0997P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1636
_refine_ls_wR_factor_ref         0.1923
_reflns_Friedel_coverage         0.000
_reflns_number_gt                15299
_reflns_number_total             26376
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00444h2.cif
_cod_data_source_block           1950874
_cod_depositor_comments
'Adding full bibliography for 7704323--7704325.cif.'
_cod_database_code               7704324
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
2. Restrained distances
 N2-C4 = N2-C5 = N4-C11 = N5-C14
 1.5 with sigma of 0.01
 N3-C7 = N3-C8 = C8-C9 = C5-C6 = C17-C18
 1.5 with sigma of 0.01
 C9-O3 = C6-O1
 1.2 with sigma of 0.01
 C9-O2 = C6-O5
 1.4 with sigma of 0.01
 C15-C14
 1.47 with sigma of 0.02
 Co2-C15
 2.6 with sigma of 0.04
 O1W-O7W = O7W-O13W
 2.7 with sigma of 0.04
 O7W-O34 = O9W-O72
 2.7 with sigma of 0.02
3. Rigid bond restraints
 P4, O69, Co3, N6, Co4, O1W, C3, O14, N1, C2, N2, C4
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
4. Uiso/Uaniso restraints and constraints
Uanis(N2) \\sim Ueq, Uanis(N3) \\sim Ueq, Uanis(N5) \\sim Ueq, Uanis(N6) \\sim
Ueq, Uanis(C3) \\sim Ueq, Uanis(C11) \\sim Ueq, Uanis(C12) \\sim Ueq,
Uanis(O5W) \\sim Ueq, Uanis(O11W) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.02
Uanis(Co2) \\sim Ueq, Uanis(Co3) \\sim Ueq: with sigma of 0.005 and sigma for
terminal atoms of 0.01
5. Others
 Fixed Sof: Co4(0.6) Co5(0.4)
 Fixed Uiso: O1(0.2134) O3(0.16389) O38(0.22065) C6(0.24174) C8(0.17584)
 C9(0.2532)
6.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C4(H4A,H4B), C5(H5A,H5B), C7(H7A,H7B), C8(H8A,H8B),
 C10(H10A,H10B), C11(H11A,H11B), C13(H13A,H13B), C14(H14A,H14B), C16(H16A,H16B),
  C17(H17A,H17B)
;
_shelx_res_checksum              15893
_shelx_fab_checksum              70119
_olex2_submission_special_instructions 'No special instructions were received'