1,3,4-Oxadiazoles for Crystal Engineering. Convenient Synthesis and Self-Assembly: Nonchiral Chains versus Chiral Helices
Gutov, Oleksii V.; Crystal Growth & Design 13 (2013) 3953–; doi:10.1021/cg400649h

data_4508155
_publ_section_title
;
 1,3,4-Oxadiazoles for Crystal Engineering. Convenient Synthesis and
 Self-Assembly: Nonchiral Chains versus Chiral Helices
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3953
_journal_paper_doi               10.1021/cg400649h
_journal_volume                  13
_journal_year                    2013
_chemical_formula_sum            'C11 H10 N2 O3'
_chemical_formula_weight         218.21
_chemical_name_systematic
;
 3-(5-phenyl-1,3,4-oxadiazol-2-yl)propanoic acid
;
_space_group_IT_number           14
_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_date             2012-08-14T14:37:47-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 93.9820(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.2014(2)
_cell_length_b                   14.0392(3)
_cell_length_c                   11.8806(2)
_cell_measurement_temperature    173(2)
_cell_volume                     2030.21(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0428
_diffrn_reflns_av_unetI/netI     0.0311
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            32856
_diffrn_reflns_theta_full        28.39
_diffrn_reflns_theta_max         28.39
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.9381
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.61
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.29
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         5044
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0619
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0470P)^2^+0.4405P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.1014
_reflns_number_gt                3679
_reflns_number_total             5044
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg400649h_si_004.cif
_cod_data_source_block           200612
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4508155