Spin-Crossover Modulation via Single-Crystal to Single-Crystal Photochemical [2+2] Reaction in Hofmann-Type Frameworks
Wang, Long-Fei; Zhuang, Wei-Man; Guo-Zhang, Huang; Chen, Yan-Cong; Qiu, Jiang-Zhen; Ni, Zhao-Ping; Tong, Ming-Liang; Chemical Science  (2019) –; doi:10.1039/C9SC02274K

data_1551952
_publ_section_title
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 Spin-Crossover Modulation via Single-Crystal to Single-Crystal
 Photochemical [2+2] Reaction in Hofmann-Type Frameworks
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC02274K
_journal_year                    2019
_chemical_formula_moiety         '0.5(C60 H44 Ag4 Fe2 N12)'
_chemical_formula_sum            'C30 H22 Ag2 Fe N6'
_chemical_formula_weight         738.12
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-07-23
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.18 svn.r3508 for OlexSys, GUI svn.r5497)
;
_audit_update_record
;
2019-02-18 deposited with the CCDC.    2019-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.2235(6)
_cell_length_b                   14.0648(7)
_cell_length_c                   16.3631(7)
_cell_measurement_reflns_used    985
_cell_measurement_temperature    178
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.53
_cell_volume                     2813.2(2)
_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  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      178
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker D8 QUEST'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0573
_diffrn_reflns_av_unetI/netI     0.0207
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            52886
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.563
_diffrn_reflns_theta_min         2.489
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.918
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6545
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0782 before and 0.0574 after correction. The Ratio of minimum to maximum transmission is 0.8778. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.149
_exptl_crystal_size_mid          0.105
_exptl_crystal_size_min          0.055
_refine_diff_density_max         1.576
_refine_diff_density_min         -0.972
_refine_diff_density_rms         0.130
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         3231
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0698
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0385P)^2^+21.3215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1179
_refine_ls_wR_factor_ref         0.1281
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2532
_reflns_number_total             3231
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc02274k2.cif
_cod_data_source_block           178k
_cod_database_code               1551952
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.902
_shelx_estimated_absorpt_t_min   0.763
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Rigid bond restraints
 C2, C3
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
3. Uiso/Uaniso restraints and constraints
Uanis(C6) = Uanis(C7)
Uanis(C9) = Uanis(C10) = Uanis(C11) = Uanis(C12) = Uanis(C13) = Uanis(C8)
4. Same fragment restrains
{N1, C5, C4, C3, C2, C1} sigma for 1-2: 0.02, 1-3: 0.04
as
{N1, C1, C2, C3, C4, C5}
5.a Ternary CH refined with riding coordinates:
 C6(H6), C7(H7)
5.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C9(H9), C10(H10), C11(H11), C12(H12), C13(H13)
5.c Fitted hexagon refined as free rotating group:
 C8(C9,C10,C11,C12,C13)
;
_shelx_res_checksum              34639
_olex2_submission_special_instructions 'No special instructions were received'