Temperature-dependent hysteretic two-step spin crossover in two-dimensional Hofmann-type compounds.
Li, Yue; Liu, Min; Yao, Zi-Shuo; Tao, Jun; Dalton transactions (Cambridge, England : 2003) 49 (2020) 7245–7251; doi:10.1039/d0dt00866d

data_7704301
_publ_section_title
;
 Temperature-dependent hysteretic two-step spin crossover in
 two-dimensional Hofmann-type compounds.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7245
_journal_page_last               7251
_journal_paper_doi               10.1039/d0dt00866d
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C28 H20 Fe N8 Pt'
_chemical_formula_sum            'C28 H20 Fe N8 Pt'
_chemical_formula_weight         719.46
_space_group_crystal_system      orthorhombic
_space_group_IT_number           65
_space_group_name_Hall           '-C 2 2'
_space_group_name_H-M_alt        'C m m m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2020-04-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-04-29 deposited with the CCDC.	2020-05-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.1424(4)
_cell_length_b                   28.216(3)
_cell_length_c                   7.3155(7)
_cell_measurement_reflns_used    4715
_cell_measurement_temperature    89(7)
_cell_measurement_theta_max      29.5580
_cell_measurement_theta_min      4.0300
_cell_volume                     1474.3(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      89(7)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -70.00 -21.00   0.50   15.00    --    0.10 -77.00  51.00   98
  2  \w    -57.00 -32.00   0.50   15.00    --    0.10 -61.00 -84.00   50
  3  \w    -75.00 -24.00   0.50   15.00    --    0.10 -77.00  90.00  102
  4  \w    -14.00  22.00   0.50   15.00    --    0.10 -77.00  90.00   72
  5  \w    -60.00  -1.00   0.50   15.00    --    0.10 -82.00-120.00  118
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0668133000
_diffrn_orient_matrix_UB_12      -0.0628135000
_diffrn_orient_matrix_UB_13      -0.0088906000
_diffrn_orient_matrix_UB_21      -0.0182614000
_diffrn_orient_matrix_UB_22      -0.0622648000
_diffrn_orient_matrix_UB_23      0.0190392000
_diffrn_orient_matrix_UB_31      -0.0677648000
_diffrn_orient_matrix_UB_32      -0.0451988000
_diffrn_orient_matrix_UB_33      -0.0138181000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0429
_diffrn_reflns_av_unetI/netI     0.0292
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.935
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6594
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.935
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.644
_diffrn_reflns_theta_min         3.582
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    5.261
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.33016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.29d (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear dark red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.621
_exptl_crystal_description       plate
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.892
_refine_diff_density_min         -1.559
_refine_diff_density_rms         0.155
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     121
_refine_ls_number_reflns         1144
_refine_ls_number_restraints     294
_refine_ls_restrained_S_all      2.392
_refine_ls_R_factor_all          0.0302
_refine_ls_R_factor_gt           0.0295
_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^)+(0.0521P)^2^+1.5741P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0750
_refine_ls_wR_factor_ref         0.0752
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1133
_reflns_number_total             1144
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00866d2.cif
_cod_data_source_block           compound2_89K
_cod_depositor_comments
'Adding full bibliography for 7704300--7704305.cif.'
_cod_database_code               7704301
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.902
_shelx_estimated_absorpt_t_min   0.621
_reflns_odcompleteness_completeness 99.33
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Restrained distances
 Fe1-N1
 2 with sigma of 0.02
 N1-C1 = C2-C3 = C4-C5
 1.38 with sigma of 0.02
 C3-C6
 1.5 with sigma of 0.02
 C6-C7
 1.38 with sigma of 0.02
 C9-N2 = C11-C12 = C10-C8
 1.38 with sigma of 0.02
 C7-C8
 1.5 with sigma of 0.02
3. Restrained planarity
 N1, N2, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12
 with sigma of 0.1
4. Uiso/Uaniso restraints and constraints
N1 \\sim C1 \\sim C2 \\sim C3 \\sim C4 \\sim C5: within 2A with sigma of 0.01
and sigma for terminal atoms of 0.02
N1 \\sim C1 \\sim C2 \\sim C3 \\sim C4 \\sim C5 \\sim C6 \\sim C7 \\sim C9
\\sim C10 \\sim C11 \\sim C12 \\sim N2 \\sim C8: within 2A with sigma of 0.04
and sigma for terminal atoms of 0.08
Uanis(N1) \\sim Ueq, Uanis(C1) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C3) \\sim
Ueq, Uanis(C4) \\sim Ueq, Uanis(C5) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C7)
\\sim Ueq, Uanis(C9) \\sim Ueq, Uanis(C10) \\sim Ueq, Uanis(C11) \\sim Ueq,
Uanis(C12) \\sim Ueq, Uanis(N2) \\sim Ueq, Uanis(C8) \\sim Ueq: with sigma of
0.01 and sigma for terminal atoms of 0.02
5. Rigid body (RIGU) restrains
 N1, C1, C2, C3, C4, C5, C6, C7, C9, C10, C11, C12, N2, C8
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
6. Others
 Fixed Sof: N1(0.25) C1(0.25) H1(0.25) C2(0.25) H2(0.25) C3(0.25) C4(0.25)
 H4(0.25) C5(0.25) H5(0.25) C6(0.25) H6(0.25) C7(0.25) H7(0.25) C9(0.25)
 H9(0.25) C10(0.25) H10(0.25) C11(0.25) H11(0.25) C12(0.25) H12(0.25) N2(0.25)
 C8(0.25)
7.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C9(H9), C10(H10), C11(H11),
 C12(H12)
7.b Fitted hexagon refined as free rotating group:
 N1(C1,C2,C3,C4,C5), C9(C10,C11,C12,N2,C8)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.948
_oxdiff_exptl_absorpt_empirical_full_min 0.520