Porphyrins bearing stable meso-alkylidenyl double bonds. A new family of nonplanar porphyrinoids.
Sim, Eun-Kyung; Jeong, Seung-Doo; Yoon, Dae-Wi; Hong, Seong-Jin; Kang, Youngjin; Lee, Chang-Hee; Organic letters 8 (2006) 3355–3358; doi:10.1021/ol0612307

data_1506108
_publ_section_title
;
 Porphyrins bearing stable meso-alkylidenyl double bonds. A new family of
 nonplanar porphyrinoids.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3355
_journal_page_last               3358
_journal_paper_doi               10.1021/ol0612307
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C48 H42 N2 O9'
_chemical_formula_weight         790.84
_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                103.581(2)
_cell_angle_beta                 103.794(2)
_cell_angle_gamma                113.814(2)
_cell_formula_units_Z            2
_cell_length_a                   12.5773(13)
_cell_length_b                   13.0527(14)
_cell_length_c                   14.9394(16)
_cell_measurement_reflns_used    2425
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.33
_cell_measurement_theta_min      2.45
_cell_volume                     2022.1(4)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.901
_diffrn_measured_fraction_theta_max 0.901
_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  0.0566
_diffrn_reflns_av_sigmaI/netI    0.1389
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12886
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            dark-violet
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.351
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.941
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     532
_refine_ls_number_reflns         9026
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.941
_refine_ls_R_factor_all          0.1533
_refine_ls_R_factor_gt           0.0574
_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^)+(0.0581P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1180
_refine_ls_wR_factor_ref         0.1523
_reflns_number_gt                4207
_reflns_number_total             9026
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0612307si20060522_110356.cif
_cod_data_source_block           jsdi1332
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1506108