Molecular Conformation and Intermolecular Interactions in the Crystal Structures of Free-Base 5,15-Diarylporphyrins
Bond, Andrew D.; Feeder, Neil; Redman, James E.; Teat, Simon J.; Sanders, Jeremy K. M.; Crystal Growth & Design 2 (2002) 27–; doi:10.1021/cg010029u

data_4505765
_publ_section_title
;
 Molecular Conformation and Intermolecular Interactions in the Crystal
 Structures of Free-Base 5,15-Diarylporphyrins
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              27
_journal_paper_doi               10.1021/cg010029u
_journal_volume                  2
_journal_year                    2002
_chemical_formula_moiety         'C60 H78 N4'
_chemical_formula_sum            'C60 H78 N4'
_chemical_formula_weight         855.26
_chemical_name_systematic
; 
 5,15-diphenyl-2,8,12,18-tetrahexyl-3,7,13,17-tetramethylporphyrin, alpha form 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_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                99.730(10)
_cell_angle_beta                 92.87(2)
_cell_angle_gamma                87.860(10)
_cell_formula_units_Z            1
_cell_length_a                   10.974(2)
_cell_length_b                   17.163(3)
_cell_length_c                   6.895(2)
_cell_measurement_reflns_used    4861
_cell_measurement_temperature    210(2)
_cell_measurement_theta_max      22.49
_cell_measurement_theta_min      1.86
_cell_volume                     1277.8(5)
_computing_cell_refinement       'R-Axis PROCESS (MSC, 1995)'
_computing_data_collection       'R-Axis PROCESS (MSC, 1995)'
_computing_data_reduction        'R-Axis PROCESS (MSC, 1995)'
_computing_molecular_graphics    'XP (Sheldrick, 1993)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      210(2)
_diffrn_measured_fraction_theta_full 0.883
_diffrn_measured_fraction_theta_max 0.883
_diffrn_measurement_device_type  'Rigaku R-AXIS IIc'
_diffrn_measurement_method       '/f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.1006
_diffrn_reflns_av_sigmaI/netI    0.2265
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            4861
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.49
_diffrn_reflns_theta_min         1.86
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.111
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             466
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.040(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         2962
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1903
_refine_ls_R_factor_gt           0.1038
_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^)+(0.0918P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2120
_refine_ls_wR_factor_ref         0.2507
_reflns_number_gt                1450
_reflns_number_total             2962
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg010029u.cif
_cod_data_source_block           js9822
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4505765