Hierarchy of Supramolecular Synthons: Persistent Hydrogen Bonds Between Carboxylates and Weakly Acidic Hydroxyl Moieties in Cocrystals of Zwitterions
Kavuru, Padmini; Aboarayes, Dalia; Arora, Kapildev K.; Clarke, Heather D.; Kennedy, Alyssa; Marshall, Lissette; Ong, Tien Teng; Perman, Jason; Pujari, Twarita; Wojtas, Łukasz; Zaworotko, Michael J.; Crystal Growth & Design 10 (2010) 3568–3584; doi:10.1021/cg100484a

data_4501798
_publ_section_title
;
 Hierarchy of Supramolecular Synthons: Persistent Hydrogen Bonds Between
 Carboxylates and Weakly Acidic Hydroxyl Moieties in Cocrystals of
 Zwitterions
;
_journal_coden_ASTM              CGDEFU
_journal_issue                   8
_journal_name_full               'Crystal Growth & Design'
_journal_page_first              3568
_journal_page_last               3584
_journal_paper_doi               10.1021/cg100484a
_journal_volume                  10
_journal_year                    2010
_chemical_formula_moiety         'C6 H8 O7, 2(C6 H5 N O2), 2(H2 O)'
_chemical_formula_sum            'C18 H22 N2 O13'
_chemical_formula_weight         474.38
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.722(7)
_cell_angle_beta                 87.076(6)
_cell_angle_gamma                70.171(7)
_cell_formula_units_Z            2
_cell_length_a                   8.242(3)
_cell_length_b                   10.427(4)
_cell_length_c                   12.761(5)
_cell_measurement_temperature    100(2)
_cell_volume                     1030.0(7)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'BRUKER SMART APEXII CCD'
_diffrn_measurement_method       'omega scans'
_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  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0516
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5227
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_T_max  0.9740
_exptl_absorpt_correction_T_min  0.9551
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.529
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         3588
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0608
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0662P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1108
_refine_ls_wR_factor_ref         0.1193
_reflns_number_gt                2790
_reflns_number_total             3588
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100484a_si_007.cif
_cod_data_source_block           CITINA
_cod_original_cell_volume        1030.1(7)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4501798