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_7704300
_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 Pd'
_chemical_formula_sum            'C28 H20 Fe N8 Pd'
_chemical_formula_weight         630.77
_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                   7.4125(6)
_cell_length_b                   28.588(3)
_cell_length_c                   7.5142(6)
_cell_measurement_reflns_used    2128
_cell_measurement_temperature    298
_cell_measurement_theta_max      29.5440
_cell_measurement_theta_min      3.9390
_cell_volume                     1592.3(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_temperature      298
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.923
_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    -57.00 -32.00   0.50   25.00    --    0.10 -60.00 -99.00   50
  2  \w     33.00  58.00   0.50   25.00    --    0.10  62.00-122.00   50
  3  \w    -51.00 -26.00   0.50   25.00    --    0.10 -82.00-180.00   50
  4  \w    -31.00   4.00   0.50   25.00    --    0.10 -77.00  30.00   70
  5  \w    -63.00  31.00   0.50   25.00    --    0.10 -82.00-120.00  188
;
_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      0.0586068000
_diffrn_orient_matrix_UB_12      0.0085345000
_diffrn_orient_matrix_UB_13      0.0671490000
_diffrn_orient_matrix_UB_21      -0.0338029000
_diffrn_orient_matrix_UB_22      0.0229324000
_diffrn_orient_matrix_UB_23      -0.0134840000
_diffrn_orient_matrix_UB_31      -0.0678160000
_diffrn_orient_matrix_UB_32      -0.0040498000
_diffrn_orient_matrix_UB_33      0.0648607000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0470
_diffrn_reflns_av_unetI/netI     0.0373
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.923
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6645
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.923
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.539
_diffrn_reflns_theta_min         3.482
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.048
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56376
_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 yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_description       plate
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.801
_refine_diff_density_min         -0.693
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     121
_refine_ls_number_reflns         1208
_refine_ls_number_restraints     94
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0439
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0614P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1012
_reflns_number_total             1208
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt00866d2.cif
_cod_data_source_block           compound1_298K
_cod_depositor_comments
'Adding full bibliography for 7704300--7704305.cif.'
_cod_database_code               7704300
_shelx_shelxl_version_number     2014/7
_reflns_odcompleteness_completeness 99.39
_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
 C6-C7
 1.38 with sigma of 0.02
 C7-C8
 1.5 with sigma of 0.02
 C12-C11
 1.38 with sigma of 0.02
 C8-N2 = C12-C11
 1.35 with sigma of 0.02
 C8-C9 = C10-C11 = C12-N2
 1.38 with sigma of 0.02
 N1-Fe1
 2.21 with sigma of 0.02
 C1-C2 = C3-C4 = C5-N1
 1.38 with sigma of 0.02
 C3-C6
 1.5 with sigma of 0.02
3. Restrained planarity
 N1, N2, C1, C2, C3, C4, C5, C6, C7, C8, C11, C12
 with sigma of 0.1
4. Uiso/Uaniso restraints and constraints
Uanis(C1) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C3) \\sim Ueq, Uanis(C4) \\sim
Ueq, Uanis(C5) \\sim Ueq, Uanis(N1) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C7)
\\sim Ueq, Uanis(C8) \\sim Ueq, Uanis(N2) \\sim Ueq, Uanis(C12) \\sim Ueq,
Uanis(C11) \\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
5. Others
 Fixed Sof: 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) N1(0.25) C6(0.25) H6(0.25) C7(0.25) H7(0.25) C8(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)
6.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)
6.b Fitted hexagon refined as free rotating group:
 C1(C2,C3,C4,C5,N1), C8(C9,C10,C11,C12,N2)
;
_platon_squeeze_void_probe_radius 1.20
_olex2_exptl_crystal_mounting_method 'The crystal was mounted on a None oil'
_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 1.709
_oxdiff_exptl_absorpt_empirical_full_min 0.546