Chiral cyanido-bridged Mn‒Nb magnets including halogen-bonds
Ohno, Takuro; Nakabayashi, Koji; Imoto, Kenta; Komine, Masaya; Chorazy, Szymon; Ohkoshi, Shin-ichi; CrystEngComm  (2018) –; doi:10.1039/C8CE01353E

data_7231557
_publ_section_title
;
 Chiral cyanido-bridged Mn--Nb magnets including halogen-bonds
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C8CE01353E
_journal_year                    2018
_chemical_formula_sum            'C48 H32 I8 Mn2 N16 Nb'
_chemical_formula_weight         2050.88
_space_group_crystal_system      tetragonal
_space_group_IT_number           80
_space_group_name_Hall           'I 4bw'
_space_group_name_H-M_alt        'I 41'
_symmetry_space_group_name_Hall  'I 4bw'
_symmetry_space_group_name_H-M   'I 41'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-07-07 deposited with the CCDC.
2018-09-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.8730(7)
_cell_length_b                   20.8730(7)
_cell_length_c                   14.2157(4)
_cell_measurement_reflns_used    43746
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      27.46
_cell_measurement_theta_min      3.09
_cell_volume                     6193.5(3)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      300(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_unetI/netI     0.0528
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7092
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.460
_diffrn_reflns_theta_min         3.086
_exptl_absorpt_coefficient_mu    4.617
_exptl_absorpt_correction_T_max  0.785
_exptl_absorpt_correction_T_min  0.770
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.199
_exptl_crystal_description       block
_exptl_crystal_F_000             3788
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.210
_refine_diff_density_max         2.131
_refine_diff_density_min         -1.657
_refine_diff_density_rms         0.150
_refine_ls_abs_structure_details
;
 Twinning involves inversion, so Flack parameter cannot be determined
;
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     342
_refine_ls_number_reflns         7084
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      1.141
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+26.3894P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1144
_reflns_Friedel_coverage         0.923
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                6993
_reflns_number_total             7084
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce01353e2.cif
_cod_data_source_block           1_plus_RT
_cod_original_cell_volume        6193.5(5)
_cod_database_code               7231557
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.416
_shelx_estimated_absorpt_t_max   0.444
_shelx_res_checksum              20294