β-Octamethoxyporphycenes.
Rana, Anup; Panda, Pradeepta K.; Organic letters 16 (2014) 78–81; doi:10.1021/ol403068j

data_1513528
_publ_section_title
;
 \b-Octamethoxyporphycenes.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              78
_journal_page_last               81
_journal_paper_doi               10.1021/ol403068j
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C26 H28 N2 O4'
_chemical_formula_weight         432.50
_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                 90.359(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3046(7)
_cell_length_b                   10.5352(6)
_cell_length_c                   18.0332(14)
_cell_measurement_reflns_used    1264
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.8454
_cell_measurement_theta_min      2.7833
_cell_volume                     2337.6(3)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.866
_diffrn_measured_fraction_theta_max 0.866
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w 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  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0924
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            10552
_diffrn_reflns_theta_full        28.91
_diffrn_reflns_theta_max         28.91
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrysAlisPro
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.109
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.030
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.963
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         5336
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.963
_refine_ls_R_factor_all          0.1878
_refine_ls_R_factor_gt           0.0648
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0360P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1498
_reflns_number_gt                2018
_reflns_number_total             5336
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol403068j_si_004.cif
_cod_data_source_block           pkp58
_cod_database_code               1513528