2-Acetaminopyridine: A Highly Effective Cocrystallizing Agent
Aakeröy, Christer B.; Hussain, Izhar; Desper, John; Crystal Growth & Design 6 (2006) 474–; doi:10.1021/cg050391z

data_4504647
_publ_section_title
;
 2-Acetaminopyridine:&#x2009; A Highly Effective Cocrystallizing Agent
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              474
_journal_paper_doi               10.1021/cg050391z
_journal_volume                  6
_journal_year                    2006
_chemical_formula_moiety
;
(C7 H8 N2 O)2 (C8 H5 N O6)
;
_chemical_formula_sum            'C22 H21 N5 O8'
_chemical_formula_weight         483.44
_chemical_name_systematic
;
N-(3-pyridyl)acetamide, 5-nitroisophthalic acid
;
_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                 113.382(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.5362(14)
_cell_length_b                   9.3631(7)
_cell_length_c                   12.7665(10)
_cell_measurement_reflns_used    3364
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.20
_cell_measurement_theta_min      2.25
_cell_volume                     2143.5(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1106
_diffrn_reflns_av_sigmaI/netI    0.0767
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7630
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            amber
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.560
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.081
_refine_ls_extinction_coef       0.010(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2497
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0774
_refine_ls_R_factor_gt           0.0619
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1586
_refine_ls_wR_factor_ref         0.1773
_reflns_number_gt                1859
_reflns_number_total             2497
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050391zsi20050808_123956.cif
_cod_data_source_block           10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4504647