Modulating multi-channel bistability in cyanide-bridged {Fe<sub>2</sub>Fe} spin-crossover coordination polymers.
Li, Xin-Feng; Wang, Hao; Chen, Du-Yong; Liu, Qiang; Xiao, Jingyi; Wen, Wen; Jiang, Wen-Jing; Zhao, Liang; Meng, Yin-Shan; Liu, Tao; Dalton transactions (Cambridge, England : 2003) 55 (2026) 2702–2708; doi:10.1039/d5dt02923f

data_7720070
_publ_section_title
;
 Modulating multi-channel bistability in cyanide-bridged
 {Fe<sub>2</sub>Fe} spin-crossover coordination polymers.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2702
_journal_page_last               2708
_journal_paper_doi               10.1039/d5dt02923f
_journal_volume                  55
_journal_year                    2026
_chemical_formula_moiety         'C23 H19 B Fe1.5 N10 O S'
_chemical_formula_sum            'C23 H19 B Fe1.5 N10 O S'
_chemical_formula_weight         578.13
_space_group_crystal_system      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2025-09-29
_audit_creation_method
;
Olex2 1.5
(compiled 2025.03.04 svn.red2d20d0 for OlexSys, GUI svn.r7188)
;
_audit_update_record
;
2025-09-29 deposited with the CCDC.	2026-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   24.8845(9)
_cell_length_b                   15.0561(5)
_cell_length_c                   13.7220(5)
_cell_measurement_reflns_used    9959
_cell_measurement_temperature    300
_cell_measurement_theta_max      23.57
_cell_measurement_theta_min      2.71
_cell_volume                     5141.1(3)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      300
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1089
_diffrn_reflns_av_unetI/netI     0.0393
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            109575
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.515
_diffrn_reflns_theta_min         2.168
_exptl_absorpt_coefficient_mu    0.977
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6961
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1292 before and 0.0715 after correction.
The Ratio of minimum to maximum transmission is 0.9336.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear dark black'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.494
_exptl_crystal_description       block
_exptl_crystal_F_000             2360
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.265
_refine_diff_density_min         -0.373
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         5896
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0842
_refine_ls_R_factor_gt           0.0532
_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^)+(0.0345P)^2^+12.8551P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1290
_refine_ls_wR_factor_ref         0.1445
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3949
_reflns_number_total             5896
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02923f2.cif
_cod_data_source_block           2-300K
_cod_original_formula_sum        'C23 H19 B Fe1.50 N10 O S'
_cod_database_code               7720070
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.953
_shelx_estimated_absorpt_t_min   0.829
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All B(H) groups, All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 B012(H012)
2.b Aromatic/amide H refined with riding coordinates:
 C00H(H00H), C00K(H00K), C00L(H00L), C00N(H00N), C00Q(H00Q), C00R(H00R),
 C00S(H00S), C00T(H00T), C00U(H00U), C00V(H00V), C00W(H00W), C00X(H00X),
 C00Y(H00Y), C00Z(H00Z), C010(H010)
2.c Idealised Me refined as rotating group:
 C011(H01A,H01B,H01C)
;
_olex2_submission_special_instructions 'No special instructions were received'