Supramolecular self-assembly for designing non-centrosymmetric crystals based on Keggin polyoxometallates and crown ether.
Xiong, Jun; Kubo, Kazuya; Lü, Shao-Fang; Li, Ming; Nakamura, Takayoshi; Dalton transactions (Cambridge, England : 2003) 47 (2018) 14001–14007; doi:10.1039/c8dt02910e

data_7701908
_publ_section_title
;
 Supramolecular self-assembly for designing non-centrosymmetric crystals
 based on Keggin polyoxometallates and crown ether.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14001
_journal_page_last               14007
_journal_paper_doi               10.1039/c8dt02910e
_journal_volume                  47
_journal_year                    2018
_chemical_absolute_configuration ab
_chemical_formula_sum            'C51 H86 Mo12 N4 O50 P'
_chemical_formula_weight         2737.49
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-08-08 deposited with the CCDC.
2018-09-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.46(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.573(3)
_cell_length_b                   21.542(4)
_cell_length_c                   14.019(3)
_cell_measurement_reflns_used    5295
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.27
_cell_measurement_theta_min      3.01
_cell_volume                     4091.5(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_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  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0544
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            31715
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.894
_exptl_absorpt_correction_T_max  0.753
_exptl_absorpt_correction_T_min  0.641
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Deep-Brown
_exptl_crystal_density_diffrn    2.222
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2678
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: CH3CN'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         2.141
_refine_diff_density_min         -1.209
_refine_diff_density_rms         0.220
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1068
_refine_ls_number_reflns         14146
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0565
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0595P)^2^+39.1254P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1519
_reflns_number_gt                13735
_reflns_number_total             14417
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8dt02910e2.cif
_cod_data_source_block           shelx_CCDC3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        4091.4(14)
_cod_original_sg_symbol_H-M      'P 21'
_cod_original_formula_sum        ' C51 H86 Mo12 N4 O50 P'
_cod_database_code               7701908