4-(4-Methoxyphenyl)-3,7,7-trimethyl-4,7,8,9-tetrahydro-2<i>H</i>-pyrazolo[3,4-<i>b</i>]quinolin-5(6<i>H</i>)-one
Cannon, Debbie; Quesada, Antonio; Quiroga, Jairo; Mejía, Diana; Insuasty, Braulio; Abonia, Rodrigo; Cobo, Justo; Nogueras, Manuel; Sánchez, Adolfo; Low, John Nicolson; Acta Crystallographica Section E 57 (2001) o154–o156; doi:10.1107/S1600536801001465

data_2200174
_publ_section_title
4-(4-Methoxyphenyl)-3,7,7-trimethyl-4,7,8,9-tetrahydro-2<i>H</i>-pyrazolo[3,4-<i>b</i>]quinolin-5(6<i>H</i>)-one
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o154
_journal_page_last               o156
_journal_paper_doi               10.1107/S1600536801001465
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         'C20 H23 N3 O2'
_chemical_formula_sum            'C20 H23 N3 O2'
_chemical_formula_weight         337.41
_chemical_melting_point          570
_chemical_name_systematic
;
3,7,7-Trimethyl-4-(4-methoxyphenyl)-4,7,8,9-tetrahydro-2H-pyrazolo[3,4-b]-
quinolin-5(6H)-one (4).
;
_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'
_cell_angle_alpha                90.00
_cell_angle_beta                 106.0610(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5820(3)
_cell_length_b                   14.7031(5)
_cell_length_c                   14.5369(8)
_cell_measurement_reflns_used    3956
_cell_measurement_temperature    150.0(10)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      2.01
_cell_volume                     1762.70(13)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics
'ORTEPII (Johnson, 1976) and PLATON (Spek, 2000)'
_computing_publication_material
'SHELXL97  and WordPerfect macro PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150.0(10)
_diffrn_measured_fraction_theta_full .975
_diffrn_measured_fraction_theta_max .975
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\f and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .029
_diffrn_reflns_av_sigmaI/netI    .0667
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11320
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.01
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    .084
_exptl_absorpt_correction_T_max  .985
_exptl_absorpt_correction_T_min  .969
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(DENZO-SMN; Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             720
_exptl_crystal_size_max          .38
_exptl_crystal_size_mid          .24
_exptl_crystal_size_min          .18
_refine_diff_density_max         .280
_refine_diff_density_min         -.295
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3956
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          .092
_refine_ls_R_factor_gt           .053
_refine_ls_shift/su_max          .002
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0655P)^2^+0.4575P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .141
_reflns_number_gt                2662
_reflns_number_total             3956
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            na6037.cif
_cod_data_source_block           1
_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               2200174
_cod_database_fobs_code          2200174