Graphene-like nets of hydrogen-bonded water molecules in the dihydrate of 2-[(2-ammonioethyl)amino]acetate and the structure of its anhydrous hydroiodide salt
Wiklund, Tove; McKenzie, Christine J.; Lennartson, Anders; Acta Crystallographica Section C 66 (2010) o410–o413; doi:10.1107/S0108270110026314

data_2017742
_publ_section_title
;
 Graphene-like nets of hydrogen-bonded water molecules in the dihydrate
 of 2-[(2-ammonioethyl)amino]acetate and the structure of its anhydrous
 hydroiodide salt
;
_journal_coeditor_code           DN3147
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o410
_journal_page_last               o413
_journal_paper_doi               10.1107/S0108270110026314
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C4 H10 N2 O2 , 2H2 O'
_chemical_formula_moiety         'C4 H10 N2 O2 , 2H2 O'
_chemical_formula_sum            'C4 H14 N2 O4'
_chemical_formula_weight         154.17
_chemical_name_common            'N-(\b-aminoethyl)glycine dihydrate'
_chemical_name_systematic
;
2-[(2-ammonioethyl)amino]acetate dihydrate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.154(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.7106(4)
_cell_length_b                   22.8634(19)
_cell_length_c                   7.2804(6)
_cell_measurement_reflns_used    4911
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.96
_cell_volume                     776.17(11)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997) and PLUTON (Spek, 2009)
;
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare <i>et al.</i>,  1993)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker X8 APEXII CCD area-detector'
_diffrn_measurement_method       'thin-slice \w and \f'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0326
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            13219
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.56
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.8767
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.225
_refine_diff_density_min         -0.218
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         1521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0386
_refine_ls_R_factor_gt           0.0293
_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^)+(0.0648P)^2^+0.0169P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0884
_reflns_number_gt                1246
_reflns_number_total             1521
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn3147.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2017742
_cod_database_fobs_code          2017742