Structural insight into the cooperativity of spin crossover compounds.
Shahed, H.; Sharma, N.; Angst, M.; Voigt, J.; Perßon, J; Prakash, P.; Törnroos, K W; Chernyshov, D.; Gildenast, H.; Ohl, M.; Saffarini, G.; Grzechnik, A.; Friese, K.; Acta crystallographica Section B, Structural science, crystal engineering and materials 79 (2023) 354–367; doi:10.1107/S2052520623005814

data_2312176
_publ_section_title
;
 Structural insight into the cooperativity of spin crossover compounds.
;
_journal_issue                   'Pt 5'
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_page_first              354
_journal_page_last               367
_journal_paper_doi               10.1107/S2052520623005814
_journal_volume                  79
_journal_year                    2023
_chemical_formula_sum            'C38 H28 Fe N6 S2'
_chemical_formula_weight         688.63
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 115.8437(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.38880(10)
_cell_length_b                   12.25120(10)
_cell_length_c                   16.90920(10)
_cell_measurement_reflns_used    18116
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.789
_cell_measurement_theta_min      1.884
_cell_volume                     3241.96(4)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device_type  '4-circle diffractometer'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.63582
_diffrn_reflns_av_R_equivalents  0.0363
_diffrn_reflns_av_unetI/netI     0.0343
_diffrn_reflns_Laue_measured_fraction_full 0.971
_diffrn_reflns_Laue_measured_fraction_max 0.940
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24298
_diffrn_reflns_point_group_measured_fraction_full 0.971
_diffrn_reflns_point_group_measured_fraction_max 0.940
_diffrn_reflns_theta_full        22.426
_diffrn_reflns_theta_max         25.080
_diffrn_reflns_theta_min         1.889
_exptl_absorpt_coefficient_mu    0.464
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1424
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.049
_refine_ls_extinction_coef       0.0056(6)
_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   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         7566
_refine_ls_number_restraints     73
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0332
_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^)+(0.0506P)^2^+0.9083P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.0993
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6976
_reflns_number_total             7566
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            Bia_Pmono_174K.cif
_cod_data_source_block           SC2_174K
_cod_depositor_comments
'Adding full bibliography for 2312165--2312274.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2312176
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              36289
_shelx_hkl_checksum              12802