<i>rel</i>-(1<i>R</i>,4<i>R</i>,9<i>R</i>)-1-Acetyl-9-(1-pyrrolidinyl)-1,4-dihydro-1,4-ethanonaphthalene-9-carbonitrile: the major [4+2]-photocycloadduct of 1-acetonaphthone with 2-(1-pyrrolidinyl)propenenitrile
Döpp, Dietrich; Kruse, Claudia; Flörke, Ulrich; Henkel, Gerald; Acta Crystallographica Section E 62 (2006) o3245–o3246; doi:10.1107/S1600536806025876

data_2209758
_publ_section_title
;<i>rel</i>-(1<i>R</i>,4<i>R</i>,9<i>R</i>)-1-Acetyl-9-(1-pyrrolidinyl)-1,4-dihydro-1,4-ethanonaphthalene-9-carbonitrile:
 the major [4+2]-photocycloadduct of 1-acetonaphthone with
 2-(1-pyrrolidinyl)propenenitrile
;
_journal_coeditor_code           BT2123
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3245
_journal_page_last               o3246
_journal_paper_doi               10.1107/S1600536806025876
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C19 H20 N2 O'
_chemical_formula_moiety         'C19 H20 N2 O'
_chemical_formula_sum            'C19 H20 N2 O'
_chemical_formula_weight         292.37
_chemical_name_systematic
;
rel-(1R,4R,9R)-1-Acetyl-9-(1-pyrrolidinyl)-1,4-dihydro-1,4-ethanonaphthalene-
9-carbonitrile
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.800(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.910(2)
_cell_length_b                   19.443(3)
_cell_length_c                   8.557(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      10
_cell_volume                     1519.9(5)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1994)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2002)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'MoK\a, rotating anode'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            5650
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.09
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9807
_exptl_absorpt_correction_T_min  0.9613
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.336
_refine_diff_density_min         -0.175
_refine_ls_extinction_coef       0.0073(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3319
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0398P)^2^+0.57P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0917
_refine_ls_wR_factor_ref         0.0952
_reflns_number_gt                2964
_reflns_number_total             3319
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt2123.cif
_cod_data_source_block           IV
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2209758