Supramolecular similarities between a diastereomer pair and their truncated derivative: common tetrameric synthon and isostructurality
Kálmán, Alajos; Fábián, László; Argay, Gyula; Chemical Communications  (2000) 2255–; doi:10.1039/b005422o

data_7115128
_publ_section_title
;
 Supramolecular similarities between a diastereomer pair and their
 truncated derivative: common tetrameric synthon and isostructurality
;
_journal_issue                   22
_journal_name_full               'Chemical Communications'
_journal_page_first              2255
_journal_paper_doi               10.1039/b005422o
_journal_year                    2000
_chemical_formula_sum            'C6 H11 N O2'
_chemical_formula_weight         129.16
_chemical_name_systematic
;
 cis(1R*,2S*)-2-hydroxy-1-cyclopentanecarboxamide
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.70(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.693(2)
_cell_length_b                   7.225(1)
_cell_length_c                   7.902(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.89
_cell_measurement_theta_min      26.08
_cell_volume                     648.6(2)
_computing_cell_refinement       'CAD4 Express'
_computing_data_collection       'CAD4 Express'
_computing_data_reduction        'XCAD4 (Harms 1996)'
_computing_molecular_graphics    'PLUTO in CSD(Allen F.H & Kennard O.(1993))'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w--2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0170
_diffrn_reflns_av_sigmaI/netI    0.0135
_diffrn_refln_scan_width         0.46+0.22tg(theta)
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1431
_diffrn_reflns_theta_full        74.91
_diffrn_reflns_theta_max         74.91
_diffrn_reflns_theta_min         3.89
_diffrn_standards_decay_%        2
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.819
_exptl_absorpt_correction_T_max  0.9374
_exptl_absorpt_correction_T_min  0.7913
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
'North A.C., Philips, D.C. & Mathews, F.(1968) Acta Cryst. A24, 350-359.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             280
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.172
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       0.026(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     84
_refine_ls_number_reflns         1274
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0406
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1238
_refine_ls_wR_factor_ref         0.1272
_reflns_number_gt                1149
_reflns_number_total             1274
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b005422o.txt
_cod_data_source_block           c
_cod_original_formula_sum        'C6 H11 N1 O2'
_cod_database_code               7115128