adj-Dicarbachlorin, the first free base carbaporphyrinoid system with an internal methylene unit
Timothy D. Lash; Deyaa I. AbuSalim; Gregory M. Ferrence; Chem.Commun. 51 (2015) 15952–; doi:10.1039/C5cc06890H

data_7118005
_publ_section_title
;
 adj-Dicarbachlorin, the first free base carbaporphyrinoid system with an
 internal methylene unit
;
_journal_name_full               Chem.Commun.
_journal_page_first              15952
_journal_paper_doi               10.1039/C5cc06890H
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C28 H30 N2'
_chemical_formula_sum            'C28 H30 N2'
_chemical_formula_weight         394.54
_chemical_name_common
13,17-diethyl-12,18-dimethyl-21,22-dicarbachlorin
_chemical_name_systematic
;
13,17-diethyl-12,18-dimethyl-2,3-dihydro-21,22-dicarbaporphyrin
;
_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   mixed
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-08-10T08:36:20-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-08-10 deposited with the CCDC.
2015-09-10 downloaded from the CCDC.
;
_cell_angle_alpha                80.562(2)
_cell_angle_beta                 85.708(3)
_cell_angle_gamma                85.426(2)
_cell_formula_units_Z            4
_cell_length_a                   9.6391(4)
_cell_length_b                   11.5516(4)
_cell_length_c                   19.4951(7)
_cell_measurement_reflns_used    9947
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      2.22
_cell_volume                     2130.30(14)
_computing_cell_refinement       'APEX2 & SAINT (Bruker, 2013)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012) and 
<i>Mercury CSD</i> (Macrae et al., 2008)
;
_computing_publication_material
;
<i>WinGX</i> (Farrugia, 1999)
;
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SUPERFLIP (Palatinus & Chapuis, 2007)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0488
_diffrn_reflns_laue_measured_fraction_full 1
_diffrn_reflns_laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            71618
_diffrn_reflns_point_group_measured_fraction_full 1
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.784
_diffrn_reflns_theta_min         1.791
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count .
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6914
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Apex2 v2014.7-1 (Bruker, 2014)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.23
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             848
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: '
_exptl_crystal_size_max          0.395
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.085
_refine_diff_density_max         0.497
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     600
_refine_ls_number_reflns         11056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0845
_refine_ls_R_factor_gt           0.055
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0617P)^2^+1.1801P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1484
_reflns_number_gt                7944
_reflns_number_total             11056
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc06890h2.cif
_cod_data_source_block           shelx
_cod_database_code               7118005