Symmetric and asymmetric ligands for Fe<sup>III</sup> spin crossover - the influence of the <i>C</i><sub>2</sub> axis.
Kelly, Conor T.; Cuza, Emmelyne; Pasquetti, Eoin; Quinn, Niall; Griffin, Michael; Nockemann, Peter; Müller-Bunz, Helge; Bruno-Colmenarez, Julia; Felton, Solveig; Lada, Zoi G.; Morgan, Grace G.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 14522–14532; doi:10.1039/d5dt01833a

data_7719389
_publ_section_title
;
 Symmetric and asymmetric ligands for Fe<sup>III</sup> spin crossover -
 the influence of the <i>C</i><sub>2</sub> axis.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14522
_journal_page_last               14532
_journal_paper_doi               10.1039/d5dt01833a
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C21 H24 Fe N6 O6, F6 P, 2(C2 H3 N)'
_chemical_formula_sum            'C25 H30 F6 Fe N8 O6 P'
_chemical_formula_weight         739.39
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2025-04-03
_audit_creation_method
;
Olex2 1.5
(compiled 2025.03.06 svn.red2d20d0 for OlexSys, GUI svn.r7188)
;
_audit_update_record
;
2025-06-04 deposited with the CCDC.	2025-09-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.259(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.2347(4)
_cell_length_b                   8.18430(10)
_cell_length_c                   18.3997(3)
_cell_measurement_reflns_used    9309
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.0790
_cell_measurement_theta_min      3.3050
_cell_volume                     3028.95(9)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3196
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.902
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_unetI/netI     0.0211
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.902
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18572
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.902
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.719
_diffrn_reflns_theta_min         2.842
_exptl_absorpt_coefficient_mu    0.643
_exptl_absorpt_correction_T_max  0.955
_exptl_absorpt_correction_T_min  0.898
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015) 
Numerical absorption correction based on gaussian integration over 
a multifaceted crystal model 
Empirical absorption correction using spherical harmonics, 
implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            'clear intense red'
_exptl_crystal_density_diffrn    1.621
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1516
_exptl_crystal_size_max          0.213
_exptl_crystal_size_mid          0.107
_exptl_crystal_size_min          0.091
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         3887
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0369
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0273P)^2^+4.2852P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0705
_refine_ls_wR_factor_ref         0.0746
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3446
_reflns_number_total             3887
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt01833a2.cif
_cod_data_source_block           1-13_mor957
_cod_depositor_comments
'Adding full bibliography for 7719387--7719420.cif.'
_cod_database_code               7719389
_shelx_shelxl_version_number     2019/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 C12-C11 = C11-C10
 1.54 with sigma of 0.02
 C12-H12A = C12-H12B
 0.99 with sigma of 0.001
 H12B-H12A
 1.601 with sigma of 0.001
 N3-C10
 1.5 with sigma of 0.02
3. Others
 Fixed Sof: C10(0.5) H10A(0.5) H10B(0.5) C11(0.5) H11A(0.5) H11B(0.5) C12(0.5)
 H12A(0.5) H12B(0.5)
4.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B)
4.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C5(H5), C3(H3A), C2(H2)
4.c Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C)
;
_shelx_res_checksum              52349
_olex2_submission_special_instructions 'No special instructions were received'