Halogen bonding influences perylene-core twists in non-core substituted perylene tetraesters
Wojciechowski, Jonathan P.; Martin, Adam D.; Bhadbhade, Mohan; Webb, James E. A.; Thordarson, Pall; CrystEngComm 18 (2016) 4513–; doi:10.1039/C6CE00929H

data_7225241
_publ_section_title
;
 Halogen bonding influences perylene-core twists in non-core substituted
 perylene tetraesters
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4513
_journal_paper_doi               10.1039/C6CE00929H
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         '2(C16 H14 O4)'
_chemical_formula_sum            'C32 H28 O8'
_chemical_formula_weight         540.54
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2015-10-12
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-03-14 deposited with the CCDC.
2016-05-13 downloaded from the CCDC.
;
_cell_angle_alpha                107.50(3)
_cell_angle_beta                 101.49(3)
_cell_angle_gamma                96.92(3)
_cell_formula_units_Z            2
_cell_length_a                   7.5230(15)
_cell_length_b                   11.901(2)
_cell_length_c                   15.487(3)
_cell_measurement_temperature    100
_cell_volume                     1271.5(5)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.936
_diffrn_measured_fraction_theta_max 0.918
_diffrn_measurement_device_type  'Australian Synchrotron'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0243
_diffrn_reflns_Laue_measured_fraction_full 0.936
_diffrn_reflns_Laue_measured_fraction_max 0.918
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            21929
_diffrn_reflns_point_group_measured_fraction_full 0.936
_diffrn_reflns_point_group_measured_fraction_max 0.918
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         27.919
_diffrn_reflns_theta_min         1.829
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'orangish yellow'
_exptl_crystal_colour_modifier   orangish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_description       plate
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.025
_exptl_crystal_size_mid          0.025
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.536
_refine_diff_density_min         -0.370
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     365
_refine_ls_number_reflns         5588
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0636
_refine_ls_R_factor_gt           0.0527
_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^)+(0.0773P)^2^+0.9270P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1349
_refine_ls_wR_factor_ref         0.1432
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4630
_reflns_number_total             5588
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce00929h2.cif
_cod_data_source_block           jono_2a_a
_cod_depositor_comments
'Adding full bibliography for 7225240--7225243.cif.'
_cod_database_code               7225241
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C12B(H12A,H12B), C15B(H15A,H15B), C12A(H12C,H12D), C15A(H15C,H15D)
2.b Aromatic/amide H refined with riding coordinates:
 C1B(H1B), C2B(H2B), C5B(H5B), C6B(H6B), C1A(H1A), C2A(H2A), C5A(H5A), C6A(H6A)
2.c Idealised Me refined as rotating group:
 C13B(H13A,H13B,H13C), C16B(H16A,H16B,H16C), C13A(H13D,H13E,H13F), C16A(H16D,
 H16E,H16F)
;
_shelx_res_checksum              7128
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'