Robust R22(8) hydrogen bonded dimer for crystal engineering of glycoluril derivatives
Wang, Jungang; Xiang, Jiachen; Wu, Anxin; Meng, Xianggao; CrystEngComm 15 (2013) 10079–; doi:10.1039/c3ce41702f

data_7211449
_publ_section_title
;
 Robust R22(8) hydrogen bonded dimer for crystal engineering of glycoluril
 derivatives
;
_journal_issue                   46
_journal_name_full               CrystEngComm
_journal_page_first              10079
_journal_paper_doi               10.1039/c3ce41702f
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C34 H32 N6 O7'
_chemical_formula_weight         636.66
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.662(7)
_cell_angle_beta                 74.595(6)
_cell_angle_gamma                75.064(6)
_cell_formula_units_Z            2
_cell_length_a                   9.240(4)
_cell_length_b                   12.251(5)
_cell_length_c                   14.291(6)
_cell_measurement_temperature    200(2)
_cell_volume                     1506.9(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5277
_diffrn_reflns_theta_full        19.02
_diffrn_reflns_theta_max         19.02
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9900
_exptl_absorpt_correction_T_min  0.9841
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             668
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     438
_refine_ls_number_reflns         2355
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0900
_refine_ls_R_factor_gt           0.0686
_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^)+(0.1335P)^2^+3.6910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2084
_refine_ls_wR_factor_ref         0.2248
_reflns_number_gt                1809
_reflns_number_total             2355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41702f.txt
_cod_data_source_block           1b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7211449