Imidazole-induced self-assembly of polyoxovanadate cluster organic framework for efficient Knoevenagel condensation under mild conditions
Dou, Ming-Yu; Zhong, Dan-Dan; Huang, Xianqiang; Yang, Guo-Yu; CrystEngComm  (2020) –; doi:10.1039/D0CE00660B

data_7240568
_publ_section_title
;
 Imidazole-induced self-assembly of polyoxovanadate cluster organic
 framework for efficient Knoevenagel condensation under mild conditions
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00660B
_journal_year                    2020
_chemical_formula_sum            'C20 H54 N8 Ni2 O38 V10'
_chemical_formula_weight         1641.53
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-04-26 deposited with the CCDC.	2020-05-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.696(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.8760(9)
_cell_length_b                   12.2282(11)
_cell_length_c                   17.4796(14)
_cell_measurement_reflns_used    1024
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.888
_cell_measurement_theta_min      2.409
_cell_volume                     2485.7(4)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1355
_diffrn_reflns_av_unetI/netI     0.1343
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11767
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.011
_diffrn_reflns_theta_max         25.011
_diffrn_reflns_theta_min         2.308
_exptl_absorpt_coefficient_mu    2.639
_exptl_absorpt_correction_T_max  0.647
_exptl_absorpt_correction_T_min  0.593
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            GREEN
_exptl_crystal_density_diffrn    2.193
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1640
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         1.583
_refine_diff_density_min         -0.923
_refine_diff_density_rms         0.229
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         4369
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.1328
_refine_ls_R_factor_gt           0.0856
_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^)+(0.1370P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2204
_refine_ls_wR_factor_ref         0.2432
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2657
_reflns_number_total             4369
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00660b2.cif
_cod_data_source_block           180718a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7240568
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.594
_shelx_estimated_absorpt_t_max   0.648
_shelx_res_checksum              21672