<i>N</i>,<i>N</i>'-Bis(3-methylphenyl)succinamide dihydrate
Saraswathi, B. S.; Foro, Sabine; Gowda, B. Thimme; Acta Crystallographica Section E 67 (2011) o1591–; doi:10.1107/S1600536811020940

data_2230904
_publ_section_title
;
 <i>N</i>,<i>N</i>'-Bis(3-methylphenyl)succinamide dihydrate
;
_journal_coeditor_code           WM2494
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1591
_journal_paper_doi               10.1107/S1600536811020940
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C18 H20 N2 O2, 2H2 O'
_chemical_formula_moiety         'C18 H20 N2 O2, 2(H2 O)'
_chemical_formula_sum            'C18 H24 N2 O4'
_chemical_formula_weight         332.39
_chemical_name_common
;
<i>N</i>,<i>N</i>'-Bis(3-methylphenyl)succinamide dihydrate
;
_chemical_name_systematic
;
<i>N</i>,<i>N</i>'-Bis(3-methylphenyl)butane-1,4-diamide dihydrate
;
_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                 108.67(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.401(4)
_cell_length_b                   4.937(2)
_cell_length_c                   14.446(4)
_cell_measurement_reflns_used    433
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.16
_cell_measurement_theta_min      2.88
_cell_volume                     905.5(5)
_computing_cell_refinement
;
CrysAlis RED (Oxford Diffraction, 2009)
;
_computing_data_collection
;
CrysAlis CCD (Oxford Diffraction, 2009)
;
_computing_data_reduction
;
CrysAlis RED (Oxford Diffraction, 2009)
;
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur diffractometer
with a Sapphire CCD detector
;
_diffrn_measurement_method
;
Rotation method data acquisition using \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  0.0641
_diffrn_reflns_av_sigmaI/netI    0.1254
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            2857
_diffrn_reflns_theta_full        25.67
_diffrn_reflns_theta_max         25.67
_diffrn_reflns_theta_min         2.89
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9966
_exptl_absorpt_correction_T_min  0.9597
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis RED; Oxford Diffraction, 2009)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.231
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.225
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         1679
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.222
_refine_ls_R_factor_all          0.2477
_refine_ls_R_factor_gt           0.1256
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+1.5559P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1299
_refine_ls_wR_factor_ref         0.1585
_reflns_number_gt                797
_reflns_number_total             1679
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wm2494.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2230904
_cod_database_fobs_code          2230904