Crystal structure of N,N'-bis(4-fluoro-salicylaldehyde)-3,6-dioxa-1,8-diaminooctane, C20H22F2N2O4
Zhao, Ji-Xing; Wang, Xiao-Jun; Zeitschrift für Kristallographie - New Crystal Structures 237 (2022) 937–938; doi:10.1515/ncrs-2022-0317

data_8107257
_publ_section_title
;
 Crystal structure of
 N,N'-bis(4-fluoro-salicylaldehyde)-3,6-dioxa-1,8-diaminooctane,
 C20H22F2N2O4
;
_journal_issue                   5
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              937
_journal_page_last               938
_journal_paper_doi               10.1515/ncrs-2022-0317
_journal_volume                  237
_journal_year                    2022
_chemical_formula_moiety         'C20 H22 F2 N2 O4'
_chemical_formula_sum            'C20 H22 F2 N2 O4'
_chemical_formula_weight         392.39
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_cell_angle_alpha                63.1510(10)
_cell_angle_beta                 83.369(2)
_cell_angle_gamma                83.014(2)
_cell_formula_units_Z            1
_cell_length_a                   4.7005(2)
_cell_length_b                   10.2279(3)
_cell_length_c                   10.9917(3)
_cell_measurement_reflns_used    3686
_cell_measurement_temperature    173.0
_cell_measurement_theta_max      72.023
_cell_measurement_theta_min      4.519
_cell_volume                     466.88(3)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      173.0
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0274
_diffrn_reflns_av_unetI/netI     0.0271
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5378
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.056
_diffrn_reflns_theta_min         4.519
_diffrn_source_current           1.1
_diffrn_source_power             0.055
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.936
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6479
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1065 before and 0.0473 after correction.
The Ratio of minimum to maximum transmission is 0.8597.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light orange'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_description       block
_exptl_crystal_F_000             206
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.172
_refine_diff_density_min         -0.124
_refine_diff_density_rms         0.029
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     128
_refine_ls_number_reflns         1812
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0397
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0510P)^2^+0.0742P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1018
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1625
_reflns_number_total             1812
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_j_ncrs-2022-0317_suppl.cif
_cod_data_source_block           11
_cod_database_code               8107257
_shelx_estimated_absorpt_t_max   0.904
_shelx_estimated_absorpt_t_min   0.880
_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 O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C7(H7)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_shelx_res_checksum              2026
_shelx_hkl_checksum              59753
_olex2_submission_special_instructions 'No special instructions were received'