X-ray studies of conformation: observation of conformational polymorphism of a glycoluril clip
Wang, Jungang; Gao, Yang; Xiang, Jiachen; Wang, Miao; Wu, Anxin; CrystEngComm 17 (2015) 2245–; doi:10.1039/C5CE00066A

data_7219479
_publ_section_title
;
 X-ray studies of conformation: observation of conformational polymorphism
 of a glycoluril clip
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2245
_journal_paper_doi               10.1039/C5CE00066A
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C42 H42 N4 O9'
_chemical_formula_weight         746.80
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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-97
_audit_update_record
;
2015-01-30 deposited with the CCDC.
2015-02-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 117.750(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3706(17)
_cell_length_b                   24.587(3)
_cell_length_c                   13.4860(17)
_cell_measurement_reflns_used    5016
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.34
_cell_measurement_theta_min      2.38
_cell_volume                     3923.5(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0527
_diffrn_reflns_av_sigmaI/netI    0.0541
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            26425
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9911
_exptl_absorpt_correction_T_min  0.9867
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.264
_exptl_crystal_density_meas      1.264
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.916
_refine_diff_density_min         -0.390
_refine_diff_density_rms         0.072
_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     603
_refine_ls_number_reflns         6819
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.1003
_refine_ls_R_factor_gt           0.0668
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1385P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1783
_refine_ls_wR_factor_ref         0.2110
_reflns_number_gt                4428
_reflns_number_total             6819
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce00066a2.cif
_cod_data_source_block           1e
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

 Adding full bibliography for 7219475--7219479.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7219479