Dimethyl iminiodiacetate chloride
Ramos Silva, Manuela; Paixão, Jose Antonio; Matos Beja, Ana; Sobral, Abilio J. F. N.; Lopes, Susana H.; Rebanda, N. G. C. L.; Rocha Gonsalves, A. M. d'A.; Acta Crystallographica Section E 59 (2003) o7–o8; doi:10.1107/S1600536802022146

data_2201844
_publ_section_title
;
 Dimethyl iminiodiacetate chloride
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o7
_journal_page_last               o8
_journal_paper_doi               10.1107/S1600536802022146
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C6 H12 N O4 1+, Cl 1-'
_chemical_formula_moiety         'C6 H12 N O4 1+, Cl 1-'
_chemical_formula_sum            'C6 H12 Cl N O4'
_chemical_formula_weight         197.62
_chemical_name_systematic
;
Dimethyl iminiodiacetate chloride
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   7.0228(4)
_cell_length_b                   17.298(9)
_cell_length_c                   7.6646(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      32.14
_cell_measurement_theta_min      21.11
_cell_volume                     931.1(5)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'HELENA (Spek, 2002)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0189
_diffrn_reflns_av_sigmaI/netI    0.0151
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            1837
_diffrn_reflns_theta_full        72.39
_diffrn_reflns_theta_max         72.39
_diffrn_reflns_theta_min         5.11
_diffrn_standards_decay_%        4
_diffrn_standards_interval_time  180
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.513
_exptl_absorpt_correction_T_max  0.839
_exptl_absorpt_correction_T_min  0.706
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details
;
 (North et al., 1968)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.721
_refine_ls_extinction_coef       0.0030(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.190
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     64
_refine_ls_number_reflns         950
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.190
_refine_ls_R_factor_all          0.0588
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0755P)^2^+0.752P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1629
_reflns_number_gt                787
_reflns_number_total             950
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cf6227.cif
_cod_data_source_block           I
_cod_database_code               2201844
_cod_database_fobs_code          2201844