Syntheses, structures, modification, and optical properties of meso-tetraaryl-2,3-dimethoxychlorin, and two isomeric meso-tetraaryl-2,3,12,13-tetrahydroxybacteriochlorins.
Samankumara, Lalith P.; Zeller, Matthias; Krause, Jeanette A.; Brückner, Christian; Organic & biomolecular chemistry 8 (2010) 1951–1965; doi:10.1039/b924539a

data_7153300
_publ_section_title
;
 Syntheses, structures, modification, and optical properties of
 meso-tetraaryl-2,3-dimethoxychlorin, and two isomeric
 meso-tetraaryl-2,3,12,13-tetrahydroxybacteriochlorins.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1951
_journal_page_last               1965
_journal_paper_doi               10.1039/b924539a
_journal_volume                  8
_journal_year                    2010
_chemical_formula_moiety         'C56 H58 N4 O4, 4(C H4 O)'
_chemical_formula_sum            'C60 H74 N4 O8'
_chemical_formula_weight         979.23
_chemical_name_systematic
;
?
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.5000(17)
_cell_angle_beta                 84.6620(19)
_cell_angle_gamma                79.0700(18)
_cell_formula_units_Z            1
_cell_length_a                   8.1709(10)
_cell_length_b                   11.1196(14)
_cell_length_c                   15.653(2)
_cell_measurement_reflns_used    3197
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.15
_cell_measurement_theta_min      2.54
_cell_volume                     1356.0(3)
_computing_cell_refinement       'Apex2 v2008.2-4'
_computing_data_collection       'Apex2 v2008.2-4 (Bruker, 2008)'
_computing_data_reduction        'Apex2 v2008.2-4'
_computing_molecular_graphics    'SHELXTL 6.14'
_computing_publication_material  'SHELXTL 6.14'
_computing_structure_refinement  'SHELXTL 6.14'
_computing_structure_solution
'SHELXTL 6.14 (Bruker, 2000-2003; Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker AXS SMART APEX CCD diffractometer'
_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  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6634
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.34
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.919
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS (Sheldrick, 2007)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             526
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         6634
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0613
_refine_ls_R_factor_gt           0.0459
_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^)+(0.0614P)^2^+0.3388P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1147
_refine_ls_wR_factor_ref         0.1214
_reflns_number_gt                5216
_reflns_number_total             6634
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b924539a.txt
_cod_data_source_block           4b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7153300