Molecular conformation and supramolecular aggregation in two fused pyrazoles: π-stacked <i>R</i>_<b>2</b>^<b>2</b>(6) dimers in 2,8,8-trimethyl-6,7,8,9-tetrahydropyrazolo[2,3-<i>a</i>]quinazolin-6-one, and sheets of alternating <i>R</i>_2^2(12) and <i>R</i>_6^6(48) rings in 3-<i>tert</i>-butyl-4',4'-dimethyl-1-phenyl-4,5,6,7-tetrahydro-1<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-spiro-1'-cyclohexane-2',6'-dione
Low, John N.; Cobo, Justo; Mera, Jaime; Quiroga, Jairo; Glidewell, Christopher; Acta Crystallographica Section C 60 (2004) o265–o269; doi:10.1107/S0108270104004159

data_2014056
_publ_section_title
;Molecular conformation and supramolecular aggregation in two fused pyrazoles:
 \p-stacked <i>R</i>_<b>2</b>^<b>2</b>(6) dimers in
 2,8,8-trimethyl-6,7,8,9-tetrahydropyrazolo[2,3-<i>a</i>]quinazolin-6-one, and
 sheets of alternating <i>R</i>_2^2(12) and <i>R</i>_6^6(48) rings in
 3-<i>tert</i>-butyl-4',4'-dimethyl-1-phenyl-4,5,6,7-tetrahydro-1<i>H</i>-pyrazolo[3,4-<i>b</i>]pyridine-5-spiro-1'-cyclohexane-2',6'-dione
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o265
_journal_page_last               o269
_journal_paper_doi               10.1107/S0108270104004159
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C13 H15 N3 O'
_chemical_formula_moiety         'C13 H15 N3 O'
_chemical_formula_sum            'C13 H15 N3 O'
_chemical_formula_weight         229.28
_chemical_name_systematic
;
2,8,8-Trimethyl-6,7,8,9-tetrahydropyrazolo[2,3-a]quinazolin-6-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 98.457(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.9856(3)
_cell_length_b                   18.1464(9)
_cell_length_c                   10.7139(4)
_cell_measurement_reflns_used    2592
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.96
_cell_volume                     1151.06(9)
_computing_cell_refinement       'DENZO--SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction        DENZO--SMN
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement
'OSCAIL (McArdle, 2003) and  SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 2003) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0602
_diffrn_reflns_av_sigmaI/netI    0.0409
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12603
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.96
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.931
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV; Blessing, 1995, 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.344
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2592
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0624P)^2^+0.2121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1050
_refine_ls_wR_factor_ref         0.1138
_reflns_number_gt                2068
_reflns_number_total             2592
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1707.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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      'P 21/n'
_cod_database_code               2014056
_cod_database_fobs_code          2014056