Hysteretic Four-Step Spin-Crossover in a 3D Hofmann-type Metal-Organic Framework with Aromatic Guest
Zhang, Cui-Juan; Lian, Kai-Ting; Huang, Guo-Zhang; Bala, Sukhen; Ni, Zhao-Ping; Tong, Ming-Liang; Chemical Communications  (2019) –; doi:10.1039/C9CC06017K

data_7124044
_publ_section_title
;
 Hysteretic Four-Step Spin-Crossover in a 3D Hofmann-type Metal-Organic
 Framework with Aromatic Guest
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC06017K
_journal_year                    2019
_chemical_formula_moiety         'C16 H8 Ag2 Fe N8 O, 1.5(C6 H6)'
_chemical_formula_sum            'C25 H17 Ag2 Fe N8 O'
_chemical_formula_weight         717.05
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-04-28
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-04-30 deposited with the CCDC.    2019-08-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.176(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   28.645(2)
_cell_length_b                   13.5949(11)
_cell_length_c                   14.3880(11)
_cell_measurement_reflns_used    9859
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      2.39
_cell_volume                     5323.5(7)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 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      119.99
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0761
_diffrn_reflns_av_unetI/netI     0.0447
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            52455
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.547
_diffrn_reflns_theta_min         2.699
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.028
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6194
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0935 before and 0.0705 after correction.
The Ratio of minimum to maximum transmission is 0.8307.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.789
_exptl_crystal_description       block
_exptl_crystal_F_000             2808
_exptl_crystal_size_max          0.119
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.041
_refine_diff_density_max         2.037
_refine_diff_density_min         -1.098
_refine_diff_density_rms         0.172
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         6150
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0593P)^2^+57.7467P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1177
_refine_ls_wR_factor_ref         0.1296
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4643
_reflns_number_total             6150
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc06017k2.cif
_cod_data_source_block           1-bz-120K
_cod_database_code               7124044
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.921
_shelx_estimated_absorpt_t_min   0.794
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C23) \\sim Ueq, Uanis(C24) \\sim Ueq, Uanis(C25) \\sim Ueq, Uanis(C26)
\\sim Ueq, Uanis(C27) \\sim Ueq, Uanis(C28) \\sim Ueq: with sigma of 0.01 and
sigma for terminal atoms of 0.02
3. Others
 Fixed Sof: C28(0.5) H28(0.5) C27(0.5) H27(0.5) C26(0.5) H26(0.5) C25(0.5)
 H25(0.5) C24(0.5) H24(0.5) C23(0.5) H23(0.5)
4.a Riding coordinates:
 C28(H28), C27(H27), C26(H26), C25(H25), C24(H24), C23(H23)
4.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C8(H8), C9(H9), C13(H13), C14(H14), C15(H15), C16(H16),
 C17(H17), C18(H18), C19(H19), C20(H20), C21(H21), C22(H22)
4.c Fitted hexagon refined as free rotating group:
 C28(C27,C26,C25,C24,C23)
;
_shelx_res_checksum              12412
_olex2_submission_special_instructions 'No special instructions were received'