Self-organization of 2-acylaminopyridines in the solid state and in solution.
Ośmiałowski, Borys; Kolehmainen, Erkki; Dobosz, Robert; Gawinecki, Ryszard; Kauppinen, Reijo; Valkonen, Arto; Koivukorpi, Juha; Rissanen, Kari; The journal of physical chemistry. A 114 (2010) 10421–10426; doi:10.1021/jp1063116

data_1502722
_publ_section_title
;
 Self-organization of 2-acylaminopyridines in the solid state and in
 solution.
;
_journal_issue                   38
_journal_name_full               'The journal of physical chemistry. A'
_journal_page_first              10421
_journal_page_last               10426
_journal_paper_doi               10.1021/jp1063116
_journal_volume                  114
_journal_year                    2010
_chemical_formula_moiety         'C7 H8 N2 O'
_chemical_formula_sum            'C7 H8 N2 O'
_chemical_formula_weight         136.15
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 108.6590(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   19.7305(4)
_cell_length_b                   7.5421(2)
_cell_length_c                   19.5210(4)
_cell_measurement_reflns_used    3551
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.283
_cell_measurement_theta_min      0.407
_cell_volume                     2752.22(11)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker, 2008)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997); MERCURY (Macrae, <i>et al.</i>, 2008)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius Kappa CCD with APEXII detector'
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            5674
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         3156
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0422
_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^)+(0.0280P)^2^+2.7460P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0893
_refine_ls_wR_factor_ref         0.0961
_reflns_number_gt                2609
_reflns_number_total             3156
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jp1063116_si_002.cif
_cod_data_source_block           pme-sse
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1502722