A Chiral Nanosheet Connected by Amide Hydrogen Bonds
Hou, Xiaodong; Schober, Matthew; Chu, Qianli; Crystal Growth & Design 12 (2012) 5159–; doi:10.1021/cg301030f

data_4506894
_publ_section_title
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 A Chiral Nanosheet Connected by Amide Hydrogen Bonds
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_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5159
_journal_paper_doi               10.1021/cg301030f
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C33 H55 N3 O3'
_chemical_formula_sum            'C33 H55 N3 O3'
_chemical_formula_weight         541.80
_chemical_name_systematic
;
 ?
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_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.230(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.9029(3)
_cell_length_b                   7.6500(2)
_cell_length_c                   18.0677(5)
_cell_measurement_reflns_used    9934
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.28
_cell_measurement_theta_min      2.27
_cell_volume                     1632.11(7)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.916
_diffrn_measured_fraction_theta_max 0.916
_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  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0595
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17918
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9930
_exptl_absorpt_correction_T_min  0.9593
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Acta Cryst (1995). A51, 33-38'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.102
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             596
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.437
_refine_diff_density_min         -0.336
_refine_diff_density_rms         0.089
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   3.4(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     374
_refine_ls_number_reflns         4875
_refine_ls_number_restraints     362
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0839
_refine_ls_R_factor_gt           0.0561
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0904P)^2^+0.1228P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1366
_refine_ls_wR_factor_ref         0.1647
_reflns_number_gt                3656
_reflns_number_total             4875
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg301030f_si_002.cif
_cod_data_source_block           triamide03b_0m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
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_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4506894