Beta-Tetrachlorotetramethoxyporphycenes: positional effect of substituents on structure and photophysical properties
Anup Rana; Pradeepta K. Panda; Chem.Commun. 51 (2015) 12239–; doi:10.1039/C5cc03867G

data_7117531
_publ_section_title
;
 Beta-Tetrachlorotetramethoxyporphycenes: positional effect of
 substituents on structure and photophysical properties
;
_journal_name_full               Chem.Commun.
_journal_page_first              12239
_journal_paper_doi               10.1039/C5cc03867G
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C6 H6 Cl N O2'
_chemical_formula_sum            'C6 H6 Cl N O2'
_chemical_formula_weight         159.57
_chemical_name_systematic
; 
 4-chloro-3-methoxy-1H-pyrrole-2-aldehyde 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-04-28 deposited with the CCDC.
2015-06-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.331(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.132(3)
_cell_length_b                   6.7332(17)
_cell_length_c                   8.752(2)
_cell_measurement_reflns_used    4303
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.08
_cell_measurement_theta_min      2.84
_cell_volume                     714.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            7026
_diffrn_reflns_theta_full        26.13
_diffrn_reflns_theta_max         26.13
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.467
_exptl_absorpt_correction_T_max  0.902
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.483
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.233
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     96
_refine_ls_number_reflns         1422
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.233
_refine_ls_R_factor_all          0.0543
_refine_ls_R_factor_gt           0.0520
_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^)+(0.0536P)^2^+0.3266P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1270
_refine_ls_wR_factor_ref         0.1286
_reflns_number_gt                1359
_reflns_number_total             1422
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03867g2.cif
_cod_data_source_block           CMPYA
_cod_original_cell_volume        714.8(3)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7117531