Tether-entangled conjugated helices.
Jin, Ke; Xiao, Zuo; Xie, Huidong; Shen, Xingxing; Wang, Jizheng; Chen, Xiangyu; Wang, Zhijie; Zhao, Zujin; Yan, Keyou; Ding, Yong; Ding, Liming; Chemical science 15 (2024) 17128–17149; doi:10.1039/d4sc04796f

data_1572703
_publ_section_title
;
 Tether-entangled conjugated helices.
;
_journal_issue                   41
_journal_name_full               'Chemical science'
_journal_page_first              17128
_journal_page_last               17149
_journal_paper_doi               10.1039/d4sc04796f
_journal_volume                  15
_journal_year                    2024
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C28 H26 N2 O2'
_chemical_formula_sum            'C28 H26 N2 O2'
_chemical_formula_weight         422.51
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-09-19
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-05-11 deposited with the CCDC.	2024-09-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.388(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.6414(4)
_cell_length_b                   10.4890(5)
_cell_length_c                   11.9877(6)
_cell_measurement_reflns_used    9564
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      72.71
_cell_measurement_theta_min      3.22
_cell_volume                     1081.76(9)
_computing_cell_refinement
'SAINT V8.40B Bruker-AXS, Madison WI for PHOTON III'
_computing_data_collection       'Bruker APEX3 Bruker-AXS, Madison WI'
_computing_data_reduction
'SAINT V8.40B Bruker-AXS, Madison WI for PHOTON III'
_computing_molecular_graphics
'Bruker SHELXTL Bruker-AXS, Madison WI and local programs'
_computing_publication_material  'Bruker SHELXTL Bruker-AXS, Madison WI'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker Photon III 28 detector'
_diffrn_detector_area_resol_mean ' 7.39 for PHOTON III'
_diffrn_detector_type            'Bruker Photon III 28'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'Bruker D8 Venture'
_diffrn_measurement_device_type  'Bruker Photon III'
_diffrn_measurement_method       'Profile data from \q/2\q scans'
_diffrn_radiation_monochromator  'Metaljet Helios MX'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     1.34139
_diffrn_radiation_xray_symbol    'Ga K\a'
_diffrn_reflns_av_R_equivalents  0.0784
_diffrn_reflns_av_unetI/netI     0.0512
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            43791
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         72.751
_diffrn_reflns_theta_min         3.222
_diffrn_source                   'METALJET liquid metal X-ray source'
_diffrn_source_current           3.57
_diffrn_source_power             0.2497215
_diffrn_source_target            Ga
_diffrn_source_type              'Sealed X-ray tube'
_diffrn_source_voltage           69.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.411
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.4679
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 - Bruker AXS, Madison WI for PHOTON III'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.464
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details
;
 Flack x determined using 2651 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.06(18)
_refine_ls_extinction_coef       0.075(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         6459
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0526
_refine_ls_R_factor_gt           0.0500
_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/[\s^2^(Fo^2^)+(0.0977P)^2^+0.0311P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1304
_refine_ls_wR_factor_ref         0.1333
_reflns_Friedel_coverage         0.896
_reflns_Friedel_fraction_full    0.993
_reflns_Friedel_fraction_max     0.982
_reflns_number_gt                6108
_reflns_number_total             6459
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04796f2.cif
_cod_data_source_block           220919c_2_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1572702--1572708.cif.
;
_cod_database_code               1572703
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.960
_shelx_estimated_absorpt_t_min   0.949
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C21(H21A,H21B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,H24B), C25(H25A,
 H25B), C26(H26A,H26B), C27(H27A,H27B), C28(H28A,H28B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C10(H10), C13(H13), C17(H17), C18(H18),
 C19(H19), C20(H20)
;
_olex2_submission_special_instructions 'No special instructions were received'