2-Méthyl-3-(3-méthyl-1<i>H</i>-pyrazol-5-yl)pyrido[1,2-<i>a</i>]pyrimidin-4-one
Elotmani, B.; Elmahi, M.; Essassi, E. M.; Pierrot, M.; Acta Crystallographica Section E 58 (2002) o388–o389; doi:10.1107/S1600536802004336

data_2201124
_publ_section_title
2-M\'ethyl-3-(3-m\'ethyl-1<i>H</i>-pyrazol-5-yl)pyrido[1,2-<i>a</i>]pyrimidin-4-one
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o388
_journal_page_last               o389
_journal_paper_doi               10.1107/S1600536802004336
_journal_volume                  58
_journal_year                    2002
_chemical_formula_iupac          'C13 H12 N4 O1'
_chemical_formula_moiety         'C13 H12 N4 O1'
_chemical_formula_structural     'C13 H12 N4 O1'
_chemical_formula_sum            'C13 H12 N4 O'
_chemical_formula_weight         240.27
_chemical_name_systematic
;
2-M\'ethyl-3-(3-m\'ethyl-1H-pyrazol-5-yl)pyrido[1,2-a]pyrimidin-4-one
;
_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                90.000(10)
_cell_angle_beta                 120.930(10)
_cell_angle_gamma                90.000(10)
_cell_formula_units_Z            8
_cell_length_a                   28.400(7)
_cell_length_b                   5.1148(2)
_cell_length_c                   18.321(4)
_cell_measurement_reflns_used    15817
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      1
_cell_volume                     2282.9(8)
_computing_data_collection       'KappaCCD Software'
_computing_data_reduction
'DENZO and SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device       'KappaCCD Software (Nonius, 1998)'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       \f
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.048
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            15817
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.74
_diffrn_standards_decay_%        <0.1
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.163
_refine_diff_density_min         -0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2201
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0476
_refine_ls_R_factor_gt           0.0399
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0585P)^2^+0.8769P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1038
_refine_ls_wR_factor_ref         0.1119
_reflns_number_gt                1895
_reflns_number_total             2201
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            dn6026.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C13 H12 N4 O1'
_cod_database_code               2201124
_cod_database_fobs_code          2201124