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_2014057
_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          'C23 H29 N3 O2'
_chemical_formula_moiety         'C23 H29 N3 O2'
_chemical_formula_sum            'C23 H29 N3 O2'
_chemical_formula_weight         379.49
_chemical_name_systematic
;
3-tert-Butyl-4',4'-dimethyl-1-phenyl-4,5,6,7-tetrahydro-
1H-pyrazolo[3,4-b]pyridine-5-spiro-1'-cyclohexane-2',6'-dione
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 108.4950(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0469(2)
_cell_length_b                   16.4547(4)
_cell_length_c                   12.7983(2)
_cell_measurement_reflns_used    4595
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.99
_cell_volume                     2006.52(7)
_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  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 1995, 2003) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0446
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            27838
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.99
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV; Blessing, 1995, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.338
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     258
_refine_ls_number_reflns         4595
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0749P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1047
_refine_ls_wR_factor_ref         0.1237
_reflns_number_gt                3298
_reflns_number_total             4595
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1707.cif
_cod_data_source_block           II
_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/c'
_cod_database_code               2014057