High temperature spin crossover behaviour of mononuclear bis-(thiocyanato)iron(II) complexes with judiciously designed bidentate N-donor Schiff bases with varying substituents.
Bhar, Kishalay; Guo, Wenbin; Gonidec, Mathieu; Nikhil Raj M, Venkata; Bhatt, Surabhi; Perdih, Franc; Guionneau, Philippe; Chastanet, Guillaume; Sharma, Anuj K.; Dalton transactions (Cambridge, England : 2003) 51 (2022) 9302–9313; doi:10.1039/d2dt00416j

data_7710317
_publ_section_title
;
 High temperature spin crossover behaviour of mononuclear
 bis-(thiocyanato)iron(II) complexes with judiciously designed bidentate
 N-donor Schiff bases with varying substituents.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9302
_journal_page_last               9313
_journal_paper_doi               10.1039/d2dt00416j
_journal_volume                  51
_journal_year                    2022
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C38 H26 Cl2 Fe N6 S2'
_chemical_formula_sum            'C38 H26 Cl2 Fe N6 S2'
_chemical_formula_weight         757.52
_space_group_crystal_system      tetragonal
_space_group_IT_number           96
_space_group_name_Hall           'P 4nw 2abw'
_space_group_name_H-M_alt        'P 43 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-04-14 deposited with the CCDC.	2022-05-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.6439(7)
_cell_length_b                   17.6439(7)
_cell_length_c                   12.2291(5)
_cell_measurement_reflns_used    3388
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.0270
_cell_measurement_theta_min      3.6190
_cell_volume                     3807.0(3)
_computing_cell_refinement       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.46 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.46 (Rigaku OD, 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      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 10.4933
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_unetI/netI     0.0416
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11793
_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         27.483
_diffrn_reflns_theta_min         2.847
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.681
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.80200
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.46 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.322
_exptl_crystal_description       needle
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 1165 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.005(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     222
_refine_ls_number_reflns         4368
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0609
_refine_ls_R_factor_gt           0.0372
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0288P)^2^+0.5680P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0828
_reflns_Friedel_coverage         0.737
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3327
_reflns_number_total             4368
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt00416j2.cif
_cod_data_source_block           mob424
_cod_depositor_comments
'Adding full bibliography for 7710305--7710325.cif.'
_cod_database_code               7710317
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.685
_shelx_estimated_absorpt_t_max   0.887
_shelx_res_checksum              42711
_shelx_fab_checksum              48859