Chemical/Physical Pressure Tunable Spin-Transition Temperature and Hysteresis in a Two-Step Spin Crossover Porous Coordination Framework
Jian-Bin Lin; Wei Xue; Bao-Ying Wang; Jun Tao; Wei-Xiong Zhang; Jie-Peng Zhang; Xiao-Ming Chen; Inorganic Chemistry 51 (2012) 9423–9430; doi:10.1021/ic301237p

data_4330235
_publ_section_title
;
 Chemical/Physical Pressure Tunable Spin-Transition Temperature and
 Hysteresis in a Two-Step Spin Crossover Porous Coordination Framework
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9423
_journal_page_last               9430
_journal_paper_doi               10.1021/ic301237p
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C26 H20 Br2 Fe N10 O'
_chemical_formula_weight         704.19
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.894(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.819(3)
_cell_length_b                   14.702(5)
_cell_length_c                   10.458(3)
_cell_measurement_reflns_used    1186
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.209
_cell_measurement_theta_min      2.438
_cell_volume                     1316.3(7)
_computing_cell_refinement       'SAINT+ Ver. 6.22, Bruker AXS Inc., 2001.'
_computing_data_collection       'SMART Bruker AXS Inc., 1998.'
_computing_data_reduction        'SAINT+ Ver. 6.22, Bruker AXS Inc., 2001.'
_computing_molecular_graphics    'SHELXTL Ver. 6.12, (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL Ver. 6.12, (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXTL Ver. 6.12, (Sheldrick, 2000)'
_computing_structure_solution    'SHELXTL Ver. 6.12, (Sheldrick, 2000)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Bruker Apex CCd'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0541
_diffrn_reflns_av_sigmaI/netI    0.0737
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6513
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    3.651
_exptl_absorpt_correction_T_max  0.6684
_exptl_absorpt_correction_T_min  0.5594
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_description       block
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.924
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2476
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1050
_refine_ls_R_factor_gt           0.0537
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0760P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1179
_refine_ls_wR_factor_ref         0.1447
_reflns_number_gt                1519
_reflns_number_total             2476
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301237p_si_002_1.cif
_cod_data_source_block           1-EtOH_293K
_cod_database_code               4330235