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_7117534
_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         'C24 H18 Cl4 N4 O4'
_chemical_formula_sum            'C24 H18 Cl4 N4 O4'
_chemical_formula_weight         568.22
_chemical_name_common            porphycene
_chemical_name_systematic
; 
 2,7,12,17-tetrachloro-3,6,13,16-tetramethoxy-porphycene 
;
_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                 98.544(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.9469(2)
_cell_length_b                   27.0301(15)
_cell_length_c                   10.9065(5)
_cell_measurement_reflns_used    1472
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.7320
_cell_measurement_theta_min      4.4670
_cell_volume                     1150.65(10)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34i (release 04-08-2014 CrysAlis171 .NET)
(compiled Aug  4 2014,14:34:23)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.34i (release 04-08-2014 CrysAlis171 .NET)
(compiled Aug  4 2014,14:34:23)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34i (release 04-08-2014 CrysAlis171 .NET)
(compiled Aug  4 2014,14:34:23)
;
_computing_molecular_graphics
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
;
_computing_publication_material
;
 OLEX2: a complete structure solution, refinement and analysis program.
 Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_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           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0523
_diffrn_reflns_av_sigmaI/netI    0.0494
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3733
_diffrn_reflns_theta_full        66.58
_diffrn_reflns_theta_max         66.58
_diffrn_reflns_theta_min         4.41
_exptl_absorpt_coefficient_mu    5.047
_exptl_absorpt_correction_T_max  0.603
_exptl_absorpt_correction_T_min  0.492
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34i (release 04-08-2014 CrysAlis171 .NET)
(compiled Aug  4 2014,14:34:23)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.640
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             580
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.514
_refine_diff_density_min         -0.461
_refine_diff_density_rms         0.120
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     169
_refine_ls_number_reflns         1961
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0744
_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^)+(0.1953P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2148
_refine_ls_wR_factor_ref         0.2799
_reflns_number_gt                1455
_reflns_number_total             1961
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03867g2.cif
_cod_data_source_block           TCTMPo
_cod_original_cell_volume        1150.65(11)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7117534