Structural control of the photodynamics of boron-dipyrrin complexes.
Kee, Hooi Ling; Kirmaier, Christine; Yu, Lianhe; Thamyongkit, Patchanita; Youngblood, W. Justin; Calder, Matthew E.; Ramos, Lavoisier; Noll, Bruce C.; Bocian, David F.; Scheidt, W. Robert; Birge, Robert R.; Lindsey, Jonathan S.; Holten, Dewey; The journal of physical chemistry. B 109 (2005) 20433–20443; doi:10.1021/jp0525078

data_1506404
_publ_section_title
;
 Structural control of the photodynamics of boron-dipyrrin complexes.
;
_journal_issue                   43
_journal_name_full               'The journal of physical chemistry. B'
_journal_page_first              20433
_journal_page_last               20443
_journal_paper_doi               10.1021/jp0525078
_journal_volume                  109
_journal_year                    2005
_chemical_absolute_configuration unk
_chemical_compound_source        synthesized
_chemical_formula_moiety         'C20 H23 B N2'
_chemical_formula_sum            'C20 H23 B N2'
_chemical_formula_weight         302.21
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.8983(4)
_cell_length_b                   13.5687(3)
_cell_length_c                   7.4844(2)
_cell_measurement_reflns_used    9962
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.98
_cell_measurement_theta_min      2.84
_cell_volume                     1716.08(7)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2003)'
_computing_molecular_graphics    'XP (Sheldrick, 1998)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0270
_diffrn_reflns_av_sigmaI/netI    0.0167
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            42763
_diffrn_reflns_theta_full        36.02
_diffrn_reflns_theta_max         36.02
_diffrn_reflns_theta_min         1.92
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Siemens KFFMO2K-90'
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9877
_exptl_absorpt_correction_T_min  0.9747
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'translucent dark orange'
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         4286
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0436
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0826P)^2^+0.0717P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1091
_reflns_number_gt                3943
_reflns_number_total             4286
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jp0525078si20050512_100656.cif
_cod_data_source_block           bcn98
_cod_database_code               1506404