Goldilocks Effect in Magnetic Bistability: Remote Substituent Modulation and Lattice Control of Photoinduced Valence Tautomerism and Light-Induced Thermal Hysteresis
R. D. Schmidt; D. A. Shultz; J. D. Martin; P. D. Boyle; Journal of the American Chemical Society 132 (2010) 6261–6273; doi:10.1021/ja101957c

data_4102371
_publ_section_title
;
 Goldilocks Effect in Magnetic Bistability: Remote Substituent Modulation
 and Lattice Control of Photoinduced Valence Tautomerism and Light-Induced
 Thermal Hysteresis
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6261
_journal_page_last               6273
_journal_paper_doi               10.1021/ja101957c
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C40 H54 Co N2 O4'
_chemical_formula_weight         685.78
_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                 90.820(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.3350(6)
_cell_length_b                   10.0315(6)
_cell_length_c                   21.6292(13)
_cell_measurement_reflns_used    9896
_cell_measurement_temperature    110
_cell_measurement_theta_max      24.95
_cell_measurement_theta_min      2.77
_cell_volume                     2242.2(2)
_computing_cell_refinement       SAINT
_computing_data_collection       Apex2
_computing_data_reduction        SAINT
_computing_molecular_graphics    NRCVAX
_computing_publication_material  cif2tables.py
_computing_structure_refinement  XL
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      110
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker-Nonius Kappa Axis X8 Apex2'
_diffrn_measurement_method       'omega and phi scans'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0715
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3973
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         2.77
_exptl_absorpt_coefficient_mu    0.417
_exptl_absorpt_correction_T_max  0.9934
_exptl_absorpt_correction_T_min  0.9030
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.016
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             734
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.02
_platon_squeeze_details
;
The structure was treated with SQUEEZE after a suitable model
for the disordered toluene(s) could not be found.
;
_refine_diff_density_max         2.882
_refine_diff_density_min         -0.702
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.970
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.1125
_refine_ls_R_factor_gt           0.0826
_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^)+(0.1504P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1990
_refine_ls_wR_factor_ref         0.2140
_reflns_number_gt                2689
_reflns_number_total             3973
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja101957c_si_002.cif
_cod_data_source_block           x10070
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4102371