A simple peptidomimetic that self-associates on the solid state to form a nanoporous architecture containing chiral π-channels
Becerril, Jorge; Bolte, Michael; Burguete, M. Isabel; Escorihuela, Jorge; Galindo, Francisco; Luis, Santiago V.; CrystEngComm 12 (2010) 1722–; doi:10.1039/b922172g

data_7212210
_publ_section_title
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 A simple peptidomimetic that self-associates on the solid state to form a
 nanoporous architecture containing chiral \p-channels
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_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              1722
_journal_paper_doi               10.1039/b922172g
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C21.33 H29.33 N4 O2.33'
_chemical_formula_weight         379.15
_chemical_name_systematic        ?
_space_group_IT_number           172
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 64'
_symmetry_space_group_name_H-M   'P 64'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   16.994(2)
_cell_length_b                   16.994(2)
_cell_length_c                   6.2966(7)
_cell_measurement_reflns_used    449
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.
_cell_measurement_theta_min      3.5
_cell_volume                     1574.8(3)
_computing_cell_refinement       'Siemens SMART'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens SAINT'
_computing_molecular_graphics    'XP (Siemens XTL-Plus)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Siemens CCD three-circle diffractometer'
_diffrn_measurement_method       \w
_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  0.0284
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            14595
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.38
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  1400
_diffrn_standards_number         255
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9704
_exptl_absorpt_correction_T_min  0.9420
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             612
_exptl_crystal_size_max          0.76
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.133
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.8(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         2348
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0379
_refine_ls_R_factor_gt           0.0348
_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^)+(0.0484P)^2^+0.1351P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0869
_reflns_number_gt                2221
_reflns_number_total             2348
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b922172g.txt
_cod_data_source_block           4a
_cod_depositor_comments
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The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' 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      P64
_cod_database_code               7212210