2-Acylamino- and 2,4-Bis(acylamino)pyrimidines as Supramolecular Synthons Analyzed by Multiple Noncovalent Interactions. DFT, X-ray Diffraction, and NMR Spectral Studies
Borys Ośmiałowski; Erkki Kolehmainen; Satu Ikonen; Arto Valkonen; Adam Kwiatkowski; Izabela Grela; Esa Haapaniemi; Journal of Organic Chemistry 77 (2012) 9609–9619; doi:10.1021/jo301643z

data_4027647
_publ_section_title
;
 2-Acylamino- and 2,4-Bis(acylamino)pyrimidines as Supramolecular Synthons
 Analyzed by Multiple Noncovalent Interactions. DFT, X-ray Diffraction,
 and NMR Spectral Studies
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9609
_journal_page_last               9619
_journal_paper_doi               10.1021/jo301643z
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C6 H7 N3 O'
_chemical_formula_weight         137.15
_chemical_name_systematic
;
 ?
;
_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                68.847(3)
_cell_angle_beta                 80.100(3)
_cell_angle_gamma                71.118(3)
_cell_formula_units_Z            2
_cell_length_a                   5.6718(2)
_cell_length_b                   7.7144(4)
_cell_length_c                   8.1495(3)
_cell_measurement_reflns_used    1263
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_volume                     314.04(2)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker, 2004)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
'SHELXL-97; MERCURY (Macrae, <i>et al.</i>, 2006)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-2002 (Burla, et al., 2003)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker Kappa APEX-II'
_diffrn_measurement_method       '\f and \w 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  0.0236
_diffrn_reflns_av_sigmaI/netI    0.0296
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            2050
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         3.28
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.450
_exptl_crystal_description       plate
_exptl_crystal_F_000             144
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         1276
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0784P)^2^+0.1794P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1374
_refine_ls_wR_factor_ref         0.1413
_reflns_number_gt                1182
_reflns_number_total             1276
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo301643z_si_001.cif
_cod_data_source_block           13me
_cod_database_code               4027647