Twice tied tight: Enforcing conformational order in bicyclic peptoid oligomers
Vollrath, Sidonie B. L.; Bräse, Stefan; Kirshenbaum, Kent; Chemical Science 3 (2012) 2726–; doi:10.1039/c2sc20473h

data_1515262
_publ_section_title
;
 Twice tied tight: Enforcing conformational order in bicyclic peptoid
 oligomers
;
_journal_issue                   9
_journal_name_full               'Chemical Science'
_journal_page_first              2726
_journal_paper_doi               10.1039/c2sc20473h
_journal_volume                  3
_journal_year                    2012
_chemical_formula_sum            'C53.53 H67.58 N11 O12.86'
_chemical_formula_weight         1070.83
_chemical_name_systematic
;
?
;
_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                70.9220(10)
_cell_angle_beta                 84.6990(10)
_cell_angle_gamma                78.5820(10)
_cell_formula_units_Z            2
_cell_length_a                   10.9563(8)
_cell_length_b                   13.8555(10)
_cell_length_c                   19.2000(15)
_cell_measurement_reflns_used    9465
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      2.23
_cell_volume                     2698.8(3)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            54039
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9802
_exptl_absorpt_correction_T_min  0.9709
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1137
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.531
_refine_diff_density_min         -0.384
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     797
_refine_ls_number_reflns         12423
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0474
_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^)+(0.0605P)^2^+1.4857P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1204
_refine_ls_wR_factor_ref         0.1306
_reflns_number_gt                9848
_reflns_number_total             12423
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc20473h.txt
_cod_data_source_block           Crystal_bicyclic_5_Conformer_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P-1 '
_cod_database_code               1515262