Crystal structures and hydrogen bonding in the morpholinium salts of four phenoxyacetic acid analogues
Smith, Graham; Lynch, Daniel E.; Acta Crystallographica Section E 71 (2015) 1392–1396; doi:10.1107/S2056989015019842

data_2241255
_publ_section_title
;
 Crystal structures and hydrogen bonding in the morpholinium salts of four
 phenoxyacetic acid analogues
;
_journal_coeditor_code           SU5227
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1392
_journal_page_last               1396
_journal_paper_doi               10.1107/S2056989015019842
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C4 H10 N O +, C8 H5 Cl2 O3 -'
_chemical_formula_moiety         'C4 H10 N O +, C8 H5 Cl2 O3 -'
_chemical_formula_sum            'C12 H15 Cl2 N O4'
_chemical_formula_weight         308.15
_chemical_name_common            'morpholinium (2,4-dichlorophenoxy)acetate'
_chemical_name_systematic
;
Tetrahydro-2<i>H</i>-1,4-oxazin-4-ium (2,4-dichlorophenoxy)acetate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 97.981(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3657(5)
_cell_length_b                   7.1702(3)
_cell_length_c                   21.1340(11)
_cell_measurement_reflns_used    2359
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.39
_cell_measurement_theta_min      3.58
_cell_volume                     1405.48(12)
_computing_cell_refinement
;
CrysAlis PRO (Agilent, 2014)
;
_computing_data_collection
;
CrysAlis PRO (Agilent, 2014)
;
_computing_data_reduction
;
CrysAlis PRO (Agilent, 2014)
;
_computing_molecular_graphics
;
PLATON (Spek, 2009)
;
_computing_publication_material
;
PLATON (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008) within WinGX (Farrugia, 2012)
;
_computing_structure_solution
;
SIR92 (Altomare <i>et al.</i>, 1993)
;
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 16.077
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Gemini-S CCD-detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            6400
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.44
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.470
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Agilent, 2014)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.258
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         2754
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0405P)^2^+0.3419P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0843
_refine_ls_wR_factor_ref         0.0909
_reflns_number_gt                2273
_reflns_number_total             2754
_reflns_threshold_expression     I.2\s(I)
_cod_data_source_file            su5227sup1.cif
_cod_data_source_block           IV
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2241255
_cod_database_fobs_code          2241255