#------------------------------------------------------------------------------
#$Date: 2025-08-22 10:56:18 +0200 (Fri 22 de Aug de 2025) $
#$Revision: 301860 $
#$URL: svn://www.crystallography.net/cod/cif/7/12/06/7120657.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7120657
loop_
_publ_author_name
'Houjou, Hirohiko'
'Ikedo, Hana'
'Yoshikawa, Isao'
_publ_section_title
;
 Single-crystal UV-Vis spectroscopic examination of a striking odd-even
 effect on structure and chromic behaviour of salicylidene alkylamines
;
_journal_name_full               'Chem. Commun.'
_journal_paper_doi               10.1039/C7CC06268K
_journal_year                    2017
_chemical_formula_moiety         'C20 H32 Br N O'
_chemical_formula_sum            'C20 H32 Br N O'
_chemical_formula_weight         382.37
_chemical_melting_point          316
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-08-03 deposited with the CCDC.
2017-09-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.957(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.9934(16)
_cell_length_b                   5.7714(8)
_cell_length_c                   35.925(5)
_cell_measurement_reflns_used    2388
_cell_measurement_temperature    253(2)
_cell_measurement_theta_max      22.40
_cell_measurement_theta_min      2.30
_cell_volume                     2067.1(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r3'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r3 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r3'
_computing_molecular_graphics    'CrystalStructure 4.1.1'
_computing_publication_material  'CrystalStructure 4.1.1 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      253(2)
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'VariMax DW with Saturn'
_diffrn_measurement_method       ω
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0532
_diffrn_reflns_av_unetI/netI     0.0426
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            10536
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        22.429
_diffrn_reflns_theta_max         22.429
_diffrn_reflns_theta_min         2.950
_exptl_absorpt_coefficient_mu    1.994
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.516
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_description       needle
_exptl_crystal_F_000             808
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: methanol'
_exptl_crystal_size_max          0.520
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2676
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0556P)²+0.0651P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1025
_refine_ls_wR_factor_ref         0.1096
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2146
_reflns_number_total             2676
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c7cc06268k2.cif
_cod_data_source_block           shelxl_CCDC2
_cod_database_code               7120657
_shelx_shelxl_version_number     2016/6
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_min   0.424
_shelx_estimated_absorpt_t_max   0.980
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
O1 O 0.1283(3) 1.3774(4) 0.32511(8) 0.0703(8) Uani 1 1 d . .
H1 H 0.078504 1.293777 0.336395 0.105 Uiso 1 1 calc R U
C1 C 0.1739(4) 1.2596(7) 0.29625(10) 0.0505(9) Uani 1 1 d . .
C2 C 0.2776(4) 1.3534(6) 0.27672(11) 0.0564(10) Uani 1 1 d . .
H2 H 0.313765 1.496647 0.283739 0.068 Uiso 1 1 calc R U
C3 C 0.3267(3) 1.2356(7) 0.24718(10) 0.0550(10) Uani 1 1 d . .
H3 H 0.395691 1.299594 0.234421 0.066 Uiso 1 1 calc R U
C4 C 0.2733(3) 1.0208(6) 0.23640(10) 0.0508(9) Uani 1 1 d . .
C5 C 0.1701(3) 0.9249(6) 0.25512(10) 0.0488(9) Uani 1 1 d . .
H4 H 0.134204 0.782424 0.247561 0.059 Uiso 1 1 calc R U
C6 C 0.1195(3) 1.0409(6) 0.28535(10) 0.0463(9) Uani 1 1 d . .
Br1 Br 0.34530(4) 0.85637(7) 0.19607(2) 0.0726(2) Uani 1 1 d . .
C7 C 0.0120(3) 0.9346(7) 0.30601(11) 0.0540(10) Uani 1 1 d . .
H5 H -0.025570 0.795079 0.297590 0.065 Uiso 1 1 calc R U
N1 N -0.0306(3) 1.0293(5) 0.33511(8) 0.0554(8) Uani 1 1 d . .
C8 C -0.1345(4) 0.9038(7) 0.35461(11) 0.0644(11) Uani 1 1 d . .
H6 H -0.185122 0.804971 0.336918 0.077 Uiso 1 1 calc R U
H7 H -0.196127 1.014926 0.364257 0.077 Uiso 1 1 calc R U
C9 C -0.0740(3) 0.7563(7) 0.38663(10) 0.0545(9) Uani 1 1 d . .
H8 H -0.026253 0.855797 0.404812 0.065 Uiso 1 1 calc R U
H9 H -0.009790 0.649076 0.377153 0.065 Uiso 1 1 calc R U
C10 C -0.1815(3) 0.6191(6) 0.40586(10) 0.0555(10) Uani 1 1 d . .
H10 H -0.240304 0.727976 0.417250 0.067 Uiso 1 1 calc R U
H11 H -0.235214 0.533588 0.387002 0.067 Uiso 1 1 calc R U
C11 C -0.1267(3) 0.4502(6) 0.43554(10) 0.0560(10) Uani 1 1 d . .
H12 H -0.076895 0.536269 0.455125 0.067 Uiso 1 1 calc R U
H13 H -0.064564 0.345615 0.424517 0.067 Uiso 1 1 calc R U
C12 C -0.2359(3) 0.3065(6) 0.45302(10) 0.0547(10) Uani 1 1 d . .
H14 H -0.298283 0.411579 0.463829 0.066 Uiso 1 1 calc R U
H15 H -0.285379 0.220396 0.433378 0.066 Uiso 1 1 calc R U
C13 C -0.1830(4) 0.1363(6) 0.48310(10) 0.0539(10) Uani 1 1 d . .
H16 H -0.134791 0.222370 0.502965 0.065 Uiso 1 1 calc R U
H17 H -0.119678 0.032362 0.472425 0.065 Uiso 1 1 calc R U
C14 C -0.2926(3) -0.0089(6) 0.49994(10) 0.0542(10) Uani 1 1 d . .
H18 H -0.355986 0.095070 0.510601 0.065 Uiso 1 1 calc R U
H19 H -0.340794 -0.095021 0.480081 0.065 Uiso 1 1 calc R U
C15 C -0.2399(4) -0.1787(6) 0.53000(10) 0.0553(10) Uani 1 1 d . .
H20 H -0.191186 -0.092544 0.549765 0.066 Uiso 1 1 calc R U
H21 H -0.176958 -0.283148 0.519284 0.066 Uiso 1 1 calc R U
C16 C -0.3495(3) -0.3236(6) 0.54717(10) 0.0558(10) Uani 1 1 d . .
H22 H -0.412936 -0.219382 0.557730 0.067 Uiso 1 1 calc R U
H23 H -0.397672 -0.411225 0.527482 0.067 Uiso 1 1 calc R U
C17 C -0.2955(3) -0.4917(6) 0.57754(10) 0.0557(10) Uani 1 1 d . .
H24 H -0.232914 -0.596814 0.566818 0.067 Uiso 1 1 calc R U
H25 H -0.246034 -0.403886 0.596964 0.067 Uiso 1 1 calc R U
C18 C -0.4027(4) -0.6346(6) 0.59532(11) 0.0585(10) Uani 1 1 d . .
H26 H -0.463729 -0.529445 0.606665 0.070 Uiso 1 1 calc R U
H27 H -0.453896 -0.718664 0.575778 0.070 Uiso 1 1 calc R U
C19 C -0.3494(4) -0.8067(6) 0.62469(11) 0.0630(11) Uani 1 1 d . .
H28 H -0.295920 -0.723678 0.643905 0.076 Uiso 1 1 calc R U
H29 H -0.290778 -0.915455 0.613206 0.076 Uiso 1 1 calc R U
C20 C -0.4578(4) -0.9417(8) 0.64291(12) 0.0841(14) Uani 1 1 d . .
H30 H -0.514930 -0.835953 0.655009 0.126 Uiso 1 1 calc R U
H31 H -0.416893 -1.046763 0.661020 0.126 Uiso 1 1 calc R U
H32 H -0.510055 -1.027628 0.624212 0.126 Uiso 1 1 calc R U
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C1 O1 H1 109.5
O1 C1 C2 119.5(3)
O1 C1 C6 121.2(3)
C2 C1 C6 119.2(3)
C3 C2 C1 120.7(3)
C3 C2 H2 119.7
C1 C2 H2 119.7
C2 C3 C4 120.2(3)
C2 C3 H3 119.9
C4 C3 H3 119.9
C5 C4 C3 120.3(3)
C5 C4 Br1 120.1(3)
C3 C4 Br1 119.6(3)
C4 C5 C6 120.4(3)
C4 C5 H4 119.8
C6 C5 H4 119.8
C5 C6 C1 119.2(3)
C5 C6 C7 120.3(3)
C1 C6 C7 120.5(3)
N1 C7 C6 121.8(4)
N1 C7 H5 119.1
C6 C7 H5 119.1
C7 N1 C8 117.5(3)
N1 C8 C9 112.1(3)
N1 C8 H6 109.2
C9 C8 H6 109.2
N1 C8 H7 109.2
C9 C8 H7 109.2
H6 C8 H7 107.9
C8 C9 C10 112.0(3)
C8 C9 H8 109.2
C10 C9 H8 109.2
C8 C9 H9 109.2
C10 C9 H9 109.2
H8 C9 H9 107.9
C11 C10 C9 114.7(3)
C11 C10 H10 108.6
C9 C10 H10 108.6
C11 C10 H11 108.6
C9 C10 H11 108.6
H10 C10 H11 107.6
C10 C11 C12 113.7(3)
C10 C11 H12 108.8
C12 C11 H12 108.8
C10 C11 H13 108.8
C12 C11 H13 108.8
H12 C11 H13 107.7
C13 C12 C11 114.5(3)
C13 C12 H14 108.6
C11 C12 H14 108.6
C13 C12 H15 108.6
C11 C12 H15 108.6
H14 C12 H15 107.6
C12 C13 C14 114.1(3)
C12 C13 H16 108.7
C14 C13 H16 108.7
C12 C13 H17 108.7
C14 C13 H17 108.7
H16 C13 H17 107.6
C15 C14 C13 114.1(3)
C15 C14 H18 108.7
C13 C14 H18 108.7
C15 C14 H19 108.7
C13 C14 H19 108.7
H18 C14 H19 107.6
C14 C15 C16 114.3(3)
C14 C15 H20 108.7
C16 C15 H20 108.7
C14 C15 H21 108.7
C16 C15 H21 108.7
H20 C15 H21 107.6
C17 C16 C15 113.9(3)
C17 C16 H22 108.8
C15 C16 H22 108.8
C17 C16 H23 108.8
C15 C16 H23 108.8
H22 C16 H23 107.7
C18 C17 C16 114.7(3)
C18 C17 H24 108.6
C16 C17 H24 108.6
C18 C17 H25 108.6
C16 C17 H25 108.6
H24 C17 H25 107.6
C19 C18 C17 115.0(3)
C19 C18 H26 108.5
C17 C18 H26 108.5
C19 C18 H27 108.5
C17 C18 H27 108.5
H26 C18 H27 107.5
C18 C19 C20 114.1(3)
C18 C19 H28 108.7
C20 C19 H28 108.7
C18 C19 H29 108.7
C20 C19 H29 108.7
H28 C19 H29 107.6
C19 C20 H30 109.5
C19 C20 H31 109.5
H30 C20 H31 109.5
C19 C20 H32 109.5
H30 C20 H32 109.5
H31 C20 H32 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C1 1.345(4)
O1 H1 0.8200
C1 C2 1.400(5)
C1 C6 1.419(5)
C2 C3 1.379(5)
C2 H2 0.9300
C3 C4 1.394(5)
C3 H3 0.9300
C4 C5 1.385(4)
C4 Br1 1.913(3)
C5 C6 1.400(5)
C5 H4 0.9300
C6 C7 1.480(5)
C7 N1 1.278(4)
C7 H5 0.9300
N1 C8 1.481(4)
C8 C9 1.522(5)
C8 H6 0.9700
C8 H7 0.9700
C9 C10 1.536(5)
C9 H8 0.9700
C9 H9 0.9700
C10 C11 1.519(5)
C10 H10 0.9700
C10 H11 0.9700
C11 C12 1.539(5)
C11 H12 0.9700
C11 H13 0.9700
C12 C13 1.527(5)
C12 H14 0.9700
C12 H15 0.9700
C13 C14 1.536(5)
C13 H16 0.9700
C13 H17 0.9700
C14 C15 1.525(5)
C14 H18 0.9700
C14 H19 0.9700
C15 C16 1.540(4)
C15 H20 0.9700
C15 H21 0.9700
C16 C17 1.530(4)
C16 H22 0.9700
C16 H23 0.9700
C17 C18 1.526(5)
C17 H24 0.9700
C17 H25 0.9700
C18 C19 1.518(5)
C18 H26 0.9700
C18 H27 0.9700
C19 C20 1.519(5)
C19 H28 0.9700
C19 H29 0.9700
C20 H30 0.9600
C20 H31 0.9600
C20 H32 0.9600
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
O1 H1 N1 0.82 1.87 2.601(4) 147.0
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
O1 C1 C2 C3 179.6(3)
C6 C1 C2 C3 0.1(5)
C1 C2 C3 C4 0.0(5)
C2 C3 C4 C5 0.4(5)
C2 C3 C4 Br1 -178.6(3)
C3 C4 C5 C6 -0.8(5)
Br1 C4 C5 C6 178.1(2)
C4 C5 C6 C1 0.9(5)
C4 C5 C6 C7 -178.2(3)
O1 C1 C6 C5 179.9(3)
C2 C1 C6 C5 -0.5(5)
O1 C1 C6 C7 -1.0(5)
C2 C1 C6 C7 178.5(3)
C5 C6 C7 N1 175.6(3)
C1 C6 C7 N1 -3.4(5)
C6 C7 N1 C8 -177.5(3)
C7 N1 C8 C9 94.8(4)
N1 C8 C9 C10 -177.8(3)
C8 C9 C10 C11 174.2(3)
C9 C10 C11 C12 -177.2(3)
C10 C11 C12 C13 -179.7(3)
C11 C12 C13 C14 -179.1(3)
C12 C13 C14 C15 -180.0(3)
C13 C14 C15 C16 179.6(3)
C14 C15 C16 C17 -179.5(3)
C15 C16 C17 C18 179.2(3)
C16 C17 C18 C19 178.3(3)
C17 C18 C19 C20 178.2(3)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139188047
