Synthesis of a helicene-fused porphyrin leading to a π-extended chiral chromophore
Silber, Vincent; Kyritsakas, Nathalie; Jean, Marion; Vanthuyne, Nicolas; Ruppert, Romain; Chemical Communications  (2022) –; doi:10.1039/D2CC01475K

data_7130026
_publ_section_title
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 Synthesis of a helicene-fused porphyrin leading to a \p-extended chiral
 chromophore
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D2CC01475K
_journal_year                    2022
_chemical_formula_moiety         'C28 H18 O2'
_chemical_formula_sum            'C28 H18 O2'
_chemical_formula_weight         386.42
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-03-07 deposited with the CCDC.	2022-04-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.2170(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5972(4)
_cell_length_b                   12.8994(5)
_cell_length_c                   13.7902(5)
_cell_measurement_reflns_used    9965
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.90
_cell_measurement_theta_min      2.49
_cell_volume                     1881.43(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker PHOTON-III CPAD'
_diffrn_measurement_method       '\f and \w shuterless scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_av_unetI/netI     0.0148
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            71287
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.921
_diffrn_reflns_theta_min         2.262
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7243
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.160
_refine_diff_density_max         0.235
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4496
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0439
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0503P)^2^+0.7407P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0969
_refine_ls_wR_factor_ref         0.1034
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3925
_reflns_number_total             4496
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc01475k2.cif
_cod_data_source_block           ejwvs211201
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'none' was changed to
'?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7130026
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.983
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              8241