Chiral Discrimination in Low-Density Hydrogen-Bonded Frameworks
Custelcean, Radu; Ward, Michael D.; Crystal Growth & Design 5 (2005) 2277–; doi:10.1021/cg050118x

data_4505157
_publ_section_title
;
 Chiral Discrimination in Low-Density Hydrogen-Bonded Frameworks
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2277
_journal_paper_doi               10.1021/cg050118x
_journal_volume                  5
_journal_year                    2005
_chemical_formula_sum            'C10 H15 N4 O3 S'
_chemical_formula_weight         271.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 93.983(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.4632(15)
_cell_length_b                   12.587(3)
_cell_length_c                   29.788(6)
_cell_measurement_temperature    293(2)
_cell_volume                     2791.5(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0210
_diffrn_reflns_av_sigmaI/netI    0.0152
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            9698
_diffrn_reflns_theta_full        26.98
_diffrn_reflns_theta_max         26.98
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.239
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.732
_refine_diff_density_min         -0.877
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         3034
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0621
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0543P)^2^+8.8117P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1491
_refine_ls_wR_factor_ref         0.1510
_reflns_number_gt                2851
_reflns_number_total             3034
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050118xsi20050330_041228.cif
_cod_data_source_block
c:\mydocu~1\chem\postdoc\xray\ch3-ch~1\chiral~1\c2onc
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multiscan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2791.4(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4505157