WhenZ‘ = 2 Is Better thanZ‘ = 1Supramolecular Centrosymmetric Hydrogen-Bonded Dimers in Chiral Systems
Anderson, Kirsty M.; Afarinkia, Kamyar; Yu, Hiu-wan; Goeta, Andrés E.; Steed, Jonathan W.; Crystal Growth & Design 6 (2006) 2109–; doi:10.1021/cg0603265

data_4508824
_publ_section_title
;
 WhenZ&#x2018; = 2 Is Better thanZ&#x2018; = 1Supramolecular
 Centrosymmetric Hydrogen-Bonded Dimers in Chiral Systems
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2109
_journal_paper_doi               10.1021/cg0603265
_journal_volume                  6
_journal_year                    2006
_chemical_formula_sum            'C13 H18 N O3 P'
_chemical_formula_weight         267.25
_chemical_name_common            hy31592
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0547(3)
_cell_length_b                   12.5714(7)
_cell_length_c                   17.5919(10)
_cell_measurement_reflns_used    4260
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.14
_cell_measurement_theta_min      2.82
_cell_volume                     1339.03(13)
_computing_cell_refinement       'SMART V5.625 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT+ NT V6.22 (Bruker, 2001)'
_computing_molecular_graphics    'XSeed interface to POVRay'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'SMART Apex'
_diffrn_measurement_method       \w
_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  0.0255
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            9441
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.83
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.205
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.388
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         3063
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0317
_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^)+(0.0505P)^2^+0.1172P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0797
_reflns_number_gt                2872
_reflns_number_total             3063
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0603265sup2.cif
_cod_data_source_block           HY31592.CIF
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4508824