Molecular tectonics: design of enantiomerically pure single-stranded helical H-bonded molecular networks
Grosshans, Philippe; Jouaiti, Abdelaziz; Bulach, V�ronique; Planeix, Jean-Marc; Hosseini, Mir Wais; Nicoud, Jean-Fran�ois; CrystEngComm 5 (2003) 414–; doi:10.1039/b312172k

data_7216291
_publ_section_title
;
 Molecular tectonics: design of enantiomerically pure single-stranded
 helical H-bonded molecular networks
;
_journal_issue                   73
_journal_name_full               CrystEngComm
_journal_page_first              414
_journal_paper_doi               10.1039/b312172k
_journal_volume                  5
_journal_year                    2003
_chemical_compound_source        'Local laboratory'
_chemical_formula_moiety         'C12 H13 N O5 '
_chemical_formula_sum            'C12 H13 N O5'
_chemical_formula_weight         251.238
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90.00
_cell_angle_beta                 98.964(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7049(3)
_cell_length_b                   6.3055(4)
_cell_length_c                   12.1330(8)
_cell_measurement_temperature    173
_cell_volume                     582.26(6)
_computing_data_collection       KappaCCD
_computing_data_reduction
'Denzo and Scalepak (Otwinowski & Minor, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           ' MoK\a'
_diffrn_radiation_wavelength_id  all
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9628
_diffrn_reflns_theta_full        29.99
_diffrn_reflns_theta_max         29.99
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    0.113
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.8(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         3312
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0432P)^2^+0.0622P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0816
_refine_ls_wR_factor_ref         0.0882
_reflns_number_gt                2776
_reflns_number_total             3312
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b312172k.txt
_cod_data_source_block           compound_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 21          '
_cod_original_formula_sum        'C12 H13 N O5 '
_cod_database_code               7216291