A new spin crossover Fe<sup>II</sup> coordination environment in a two-fold interpenetrated 3-D Hofmann-type framework material.
Ahmed, Manan; Xie, Zixi; Thoonen, Shannon; Hua, Carol; Kepert, Cameron J.; Price, Jason R.; Neville, Suzanne M.; Chemical communications (Cambridge, England) 57 (2021) 85–88; doi:10.1039/d0cc07326a

data_7127438
_publ_section_title
;
 A new spin crossover Fe<sup>II</sup> coordination environment in a
 two-fold interpenetrated 3-D Hofmann-type framework material.
;
_journal_issue                   1
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              85
_journal_page_last               88
_journal_paper_doi               10.1039/d0cc07326a
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C28 H18 Au2 Fe N10 O3, C3 H7 N O, 2(O)'
_chemical_formula_sum            'C31 H25 Au2 Fe N11 O6'
_chemical_formula_weight         1097.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           20
_space_group_name_Hall           'C 2c 2'
_space_group_name_H-M_alt        'C 2 2 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-10-15
_audit_creation_method
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Olex2 1.3

(compiled 2020.07.31 svn.rc2a77460 for OlexSys, GUI svn.r6145)

;
_audit_update_record
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2020-11-06 deposited with the CCDC.	2020-11-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.113(2)
_cell_length_b                   30.265(6)
_cell_length_c                   33.554(7)
_cell_measurement_temperature    140
_cell_volume                     10270(4)
_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'BluIce (McPhillips, 2002)'
_computing_data_reduction        'XDS (Kabsch, 1993)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      140
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.828
_diffrn_measurement_device_type  'ADSC Quantum 210r'
_diffrn_measurement_method       'Phi scan'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0348
_diffrn_reflns_av_unetI/netI     0.0198
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.828
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       40
_diffrn_reflns_limit_k_min       -40
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            93012
_diffrn_reflns_point_group_measured_fraction_full 0.976
_diffrn_reflns_point_group_measured_fraction_max 0.830
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.152
_diffrn_reflns_theta_min         2.123
_diffrn_source                   'MX2 beamline Australian Synchrotron'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.019
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'XDS (Kabsch, 1993)'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.420
_exptl_crystal_description       block
_exptl_crystal_F_000             4160
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.01
_refine_diff_density_max         3.532
_refine_diff_density_min         -3.086
_refine_diff_density_rms         0.220
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.452(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         14996
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0513
_refine_ls_R_factor_gt           0.0505
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1219P)^2^+8.7537P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1466
_refine_ls_wR_factor_ref         0.1478
_reflns_Friedel_coverage         0.855
_reflns_Friedel_fraction_full    0.980
_reflns_Friedel_fraction_max     0.831
_reflns_number_gt                14525
_reflns_number_total             14996
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc07326a2.cif
_cod_data_source_block           ortho_140
_cod_depositor_comments
'Adding full bibliography for 7127435--7127450.cif.'
_cod_database_code               7127438
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.942
_shelx_estimated_absorpt_t_min   0.584
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.548(11)
 0.452(11)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3.a Aromatic/amide H refined with riding coordinates:
 N5(H5), N6(H6), C6(H6A), N8(H8), C13(H13), C5(H5A), C7(H7), C28(H28),
 C21(H21), C12(H12), C8(H8A), C25(H25), C19(H19), C22(H22), C20(H20), C16(H16),
 C26(H26), C27(H27), C31(H31)
3.b Idealised Me refined as rotating group:
 C29(H29A,H29B,H29C), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              48612
_shelx_hkl_checksum              5877
_olex2_submission_special_instructions 'No special instructions were received'