A transferable model for singlet-fission kinetics
Shane R. Yost; Jiye Lee; Mark W. B. Wilson; Tony Wu; David P. McMahon; Rebecca R. Parkhurst; Nicholas J. Thompson; Daniel N. Congreve; Akshay Rao; Kerr Johnson; Matthew Y. Sfeir; Moungi G. Bawendi; Timothy M. Swager; Richard H. Friend; Marc A. Baldo; Troy Van Voorhis; Nature Chemistry 6 (2014) 492–497; doi:10.1038/nchem.1945

data_1551451
_publ_section_title
;
 A transferable model for singlet-fission kinetics
;
_journal_name_full               'Nature Chemistry'
_journal_page_first              492
_journal_page_last               497
_journal_paper_doi               10.1038/nchem.1945
_journal_volume                  6
_journal_year                    2014
_chemical_formula_sum            'C50 H30 Cl4 S2'
_chemical_formula_weight         836.66
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                86.298(3)
_cell_angle_beta                 79.729(3)
_cell_angle_gamma                65.456(3)
_cell_formula_units_Z            1
_cell_length_a                   9.4146(16)
_cell_length_b                   10.2146(18)
_cell_length_c                   10.8759(19)
_cell_measurement_reflns_used    5501
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.68
_cell_measurement_theta_min      2.50
_cell_volume                     936.1(3)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2011)'
_computing_data_collection       'APEX2 v2011.4.0 (Bruker-AXS, 2011)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2011)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Smart APEX2 CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Incoatech I\mS multilayer optics'
_diffrn_radiation_source         'I\mS micro-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0591
_diffrn_reflns_av_sigmaI/netI    0.0509
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            24264
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.467
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.484
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             430
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.503
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         4429
_refine_ls_number_restraints     278
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0889
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0393P)^2^+1.0360P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1177
_reflns_number_gt                3030
_reflns_number_total             4429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.1945-s3.cif
_cod_data_source_block           x12219
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the built-in table derived from the
CIF Core dictionary named 'cif_core.dic' version 2.4.5 last updated
on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1551451