A discussion on the solid state organization of 4-pyridyl imino compounds and on the co-crystallization between their molecular precursors
Bacchi, Alessia; Carcelli, Mauro; Chiodo, Tiziana; Cantoni, Giulia; De Filippo, Cecilia; Pipolo, Silvio; CrystEngComm 11 (2009) 1433–; doi:10.1039/b821909e

data_7200790
_publ_section_title
;
 A discussion on the solid state organization of 4-pyridyl imino
 compounds and on the co-crystallization between their molecular
 precursors
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              1433
_journal_paper_doi               10.1039/b821909e
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C7 H9 N O'
_chemical_formula_weight         123.15
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.0879(7)
_cell_length_b                   7.4306(3)
_cell_length_c                   5.77510(10)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      16
_cell_measurement_theta_min      6
_cell_volume                     647.46(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens AED diffractometer'
_diffrn_measurement_method       '\q/2\q scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0104
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -4
_diffrn_reflns_number            677
_diffrn_reflns_theta_full        70.02
_diffrn_reflns_theta_max         70.02
_diffrn_reflns_theta_min         5.87
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    0.687
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         677
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0973P)^2^+0.0143P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1261
_refine_ls_wR_factor_ref         0.1287
_reflns_number_gt                617
_reflns_number_total             677
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821909e.txt
_cod_data_source_block           8
_cod_original_sg_symbol_H-M      pna21
_cod_database_code               7200790