A probe of steric ligand substituent effects on the spin crossover of Fe(ii) complexes
Bartual-Murgui, C.; Vela, S.; Darawsheh, M.; Diego, R.; Teat, S. J.; Roubeau, O.; Aromí, G.; Inorganic Chemistry Frontiers 4 (2017) 1374–; doi:10.1039/C7QI00347A

data_4349757
_publ_section_title
;
 A probe of steric ligand substituent effects on the spin crossover of
 Fe(ii) complexes
;
_journal_issue                   8
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              1374
_journal_paper_doi               10.1039/C7QI00347A
_journal_volume                  4
_journal_year                    2017
_chemical_formula_moiety         'C26 H26 Fe N10, 2(Cl O4)'
_chemical_formula_sum            'C26 H26 Cl2 Fe N10 O8'
_chemical_formula_weight         733.32
_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   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2017-02-21 deposited with the CCDC.
2017-07-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.203(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.2654(3)
_cell_length_b                   37.8383(12)
_cell_length_c                   9.5096(3)
_cell_measurement_reflns_used    5577
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.328
_cell_measurement_theta_min      2.409
_cell_volume                     2956.70(17)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'Bruker APEX 2'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX II QUAZAR'
_diffrn_measurement_method       '\f and \w rotation with narrow frames'
_diffrn_radiation_source         'multilayer monochromator ImuS'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_unetI/netI     0.0564
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       49
_diffrn_reflns_limit_k_min       -50
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            29162
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        27.780
_diffrn_reflns_theta_max         28.421
_diffrn_reflns_theta_min         1.076
_exptl_absorpt_coefficient_mu    0.760
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.632
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0966 before and 0.0567 after correction.
The Ratio of minimum to maximum transmission is 0.8470.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.647
_exptl_crystal_description       plate
_exptl_crystal_F_000             1504
_exptl_crystal_preparation       ', Magnetic properties'
_exptl_crystal_size_max          0.155
_exptl_crystal_size_mid          0.141
_exptl_crystal_size_min          0.042
_refine_diff_density_max         0.948
_refine_diff_density_min         -0.555
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     428
_refine_ls_number_reflns         7392
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0669
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0370P)^2^+3.0519P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0969
_refine_ls_wR_factor_ref         0.1066
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5642
_reflns_number_total             7392
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7qi00347a2.cif
_cod_data_source_block           1105bm247
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4349757
_shelx_estimated_absorpt_t_min   0.891
_shelx_estimated_absorpt_t_max   0.969
_shelxl_version_number           2014-3
_shelx_res_checksum              50374
_shelx_hkl_checksum              17231