#------------------------------------------------------------------------------
#$Date: 2025-08-18 16:30:32 +0300 (Mon, 18 Aug 2025) $
#$Revision: 301775 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/50/46/1504655.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1504655
loop_
_publ_author_name
'Gaddam, Vikram'
'Nagarajan, Rajagopal'
_publ_section_title
;
 An Efficient, one-pot synthesis of isomeric ellipticine derivatives
 through intramolecular imino-Diels-Alder reaction
;
_journal_coden_ASTM              ORLEF7
_journal_issue                   10
_journal_name_full               'Organic Letters'
_journal_page_first              1975
_journal_page_last               1978
_journal_paper_doi               10.1021/ol800497u
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C24 H30 N2'
_chemical_formula_sum            'C24 H30 N2'
_chemical_formula_weight         346.50
_chemical_name_systematic
; 
 trans-8-ethyl-3,13,13-trimethyl-2,3,4,4a,5,8,13,13a-octahydro-1H-indolo
 [3,2-a]acridine  
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.887(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.456(4)
_cell_length_b                   9.538(4)
_cell_length_c                   21.796(8)
_cell_measurement_reflns_used    7936
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.10
_cell_measurement_theta_min      2.33
_cell_volume                     1958.7(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            17953
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  0.9865
_exptl_absorpt_correction_T_min  0.9602
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.714
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         3448
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.0995
_refine_ls_R_factor_gt           0.0878
_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/[σ²(Fo²)+(0.0957P)²+1.5743P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2138
_refine_ls_wR_factor_ref         0.2219
_reflns_number_gt                2915
_reflns_number_total             3448
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol800497u-file012.cif
_cod_data_source_block           rn54_m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_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 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-09-22
;
_cod_original_cell_volume        1958.7(13)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1504655
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
N1 N -0.1139(3) 0.0023(3) 0.05960(13) 0.0545(7) Uani 1 1 d .
N2 N 0.3767(3) 0.2162(3) 0.17893(14) 0.0558(8) Uani 1 1 d .
H2A H 0.438(4) 0.169(5) 0.181(2) 0.080(14) Uiso 1 1 d .
C1 C -0.2009(3) 0.1162(3) 0.05376(15) 0.0514(8) Uani 1 1 d .
C2 C -0.3417(4) 0.1222(4) 0.02856(19) 0.0721(11) Uani 1 1 d .
H2 H -0.3871 0.0421 0.0125 0.086 Uiso 1 1 calc R
C3 C -0.4111(4) 0.2471(4) 0.0280(2) 0.0760(12) Uani 1 1 d .
H3 H -0.5047 0.2523 0.0111 0.091 Uiso 1 1 calc R
C4 C -0.3443(4) 0.3671(4) 0.05230(17) 0.0623(9) Uani 1 1 d .
H4 H -0.3939 0.4513 0.0518 0.075 Uiso 1 1 calc R
C5 C -0.2060(3) 0.3625(3) 0.07695(14) 0.0484(7) Uani 1 1 d .
H5 H -0.1626 0.4438 0.0928 0.058 Uiso 1 1 calc R
C6 C -0.1292(3) 0.2363(3) 0.07850(13) 0.0420(7) Uani 1 1 d .
C7 C 0.0142(3) 0.1894(3) 0.10045(12) 0.0382(6) Uani 1 1 d .
C8 C 0.1403(3) 0.2545(3) 0.12811(11) 0.0358(6) Uani 1 1 d .
C9 C 0.1542(3) 0.4141(3) 0.13618(12) 0.0388(7) Uani 1 1 d .
C10 C 0.0544(3) 0.4636(3) 0.18366(14) 0.0533(8) Uani 1 1 d .
H10A H -0.0352 0.4164 0.1766 0.080 Uiso 1 1 calc R
H10B H 0.0402 0.5630 0.1797 0.080 Uiso 1 1 calc R
H10C H 0.0958 0.4425 0.2244 0.080 Uiso 1 1 calc R
C11 C 0.1203(3) 0.4842(3) 0.07309(14) 0.0497(8) Uani 1 1 d .
H11A H 0.1948 0.4642 0.0471 0.075 Uiso 1 1 calc R
H11B H 0.1129 0.5838 0.0785 0.075 Uiso 1 1 calc R
H11C H 0.0320 0.4485 0.0543 0.075 Uiso 1 1 calc R
C12 C 0.3114(3) 0.4548(3) 0.15680(15) 0.0501(8) Uani 1 1 d .
H12 H 0.3635 0.4432 0.1201 0.060 Uiso 1 1 calc R
C13 C 0.3306(3) 0.6081(3) 0.17547(17) 0.0556(8) Uani 1 1 d .
H13A H 0.2741 0.6280 0.2095 0.067 Uiso 1 1 calc R
H13B H 0.2970 0.6676 0.1412 0.067 Uiso 1 1 calc R
C14 C 0.4863(4) 0.6416(4) 0.19453(19) 0.0719(11) Uani 1 1 d .
H14A H 0.5403 0.6327 0.1588 0.086 Uiso 1 1 calc R
H14B H 0.4935 0.7382 0.2084 0.086 Uiso 1 1 calc R
C15 C 0.5498(4) 0.5493(4) 0.24409(18) 0.0656(10) Uani 1 1 d .
H15 H 0.4958 0.5620 0.2801 0.079 Uiso 1 1 calc R
C16 C 0.7036(4) 0.5839(5) 0.2632(2) 0.0817(12) Uani 1 1 d .
H16A H 0.7389 0.5217 0.2956 0.123 Uiso 1 1 calc R
H16B H 0.7105 0.6790 0.2777 0.123 Uiso 1 1 calc R
H16C H 0.7588 0.5731 0.2286 0.123 Uiso 1 1 calc R
C17 C 0.5330(3) 0.3968(4) 0.22344(17) 0.0561(8) Uani 1 1 d .
H17A H 0.5903 0.3809 0.1893 0.067 Uiso 1 1 calc R
H17B H 0.5686 0.3362 0.2570 0.067 Uiso 1 1 calc R
C18 C 0.3805(3) 0.3570(3) 0.20384(16) 0.0545(8) Uani 1 1 d .
H18 H 0.3264 0.3585 0.2402 0.065 Uiso 1 1 calc R
C19 C 0.2536(3) 0.1657(3) 0.14631(13) 0.0414(7) Uani 1 1 d .
C20 C 0.2486(3) 0.0217(3) 0.13355(15) 0.0512(8) Uani 1 1 d .
H20 H 0.3275 -0.0331 0.1454 0.061 Uiso 1 1 calc R
C21 C 0.1322(4) -0.0404(3) 0.10444(15) 0.0518(8) Uani 1 1 d .
H21 H 0.1309 -0.1357 0.0955 0.062 Uiso 1 1 calc R
C22 C 0.0150(3) 0.0443(3) 0.08852(13) 0.0447(7) Uani 1 1 d .
C23 C -0.1537(4) -0.1410(3) 0.04204(16) 0.0599(9) Uani 1 1 d .
H23A H -0.0696 -0.1920 0.0325 0.072 Uiso 1 1 calc R
H23B H -0.2187 -0.1388 0.0051 0.072 Uiso 1 1 calc R
C24 C -0.2226(5) -0.2166(4) 0.0920(2) 0.0833(13) Uani 1 1 d .
H24A H -0.1596 -0.2170 0.1289 0.125 Uiso 1 1 calc R
H24B H -0.2431 -0.3113 0.0793 0.125 Uiso 1 1 calc R
H24C H -0.3092 -0.1698 0.0997 0.125 Uiso 1 1 calc R
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C1 N1 C22 108.2(2)
C1 N1 C23 125.6(3)
C22 N1 C23 126.0(3)
C19 N2 C18 120.3(3)
C19 N2 H2A 116(4)
C18 N2 H2A 123(4)
N1 C1 C2 128.1(3)
N1 C1 C6 110.1(3)
C2 C1 C6 121.8(3)
C3 C2 C1 118.8(3)
C3 C2 H2 120.6
C1 C2 H2 120.6
C2 C3 C4 121.0(3)
C2 C3 H3 119.5
C4 C3 H3 119.5
C5 C4 C3 120.7(3)
C5 C4 H4 119.7
C3 C4 H4 119.7
C4 C5 C6 120.7(3)
C4 C5 H5 119.6
C6 C5 H5 119.6
C5 C6 C1 117.0(3)
C5 C6 C7 136.9(3)
C1 C6 C7 106.1(3)
C22 C7 C8 119.1(3)
C22 C7 C6 105.0(2)
C8 C7 C6 135.9(3)
C19 C8 C7 116.6(2)
C19 C8 C9 120.8(2)
C7 C8 C9 122.6(2)
C10 C9 C8 109.3(2)
C10 C9 C11 112.1(2)
C8 C9 C11 108.6(2)
C10 C9 C12 110.7(2)
C8 C9 C12 110.4(2)
C11 C9 C12 105.6(2)
C9 C10 H10A 109.5
C9 C10 H10B 109.5
H10A C10 H10B 109.5
C9 C10 H10C 109.5
H10A C10 H10C 109.5
H10B C10 H10C 109.5
C9 C11 H11A 109.5
C9 C11 H11B 109.5
H11A C11 H11B 109.5
C9 C11 H11C 109.5
H11A C11 H11C 109.5
H11B C11 H11C 109.5
C18 C12 C13 112.3(3)
C18 C12 C9 113.0(3)
C13 C12 C9 113.8(3)
C18 C12 H12 105.6
C13 C12 H12 105.6
C9 C12 H12 105.6
C12 C13 C14 111.3(3)
C12 C13 H13A 109.4
C14 C13 H13A 109.4
C12 C13 H13B 109.4
C14 C13 H13B 109.4
H13A C13 H13B 108.0
C15 C14 C13 113.3(3)
C15 C14 H14A 108.9
C13 C14 H14A 108.9
C15 C14 H14B 108.9
C13 C14 H14B 108.9
H14A C14 H14B 107.7
C14 C15 C16 113.1(3)
C14 C15 C17 109.0(3)
C16 C15 C17 111.2(3)
C14 C15 H15 107.8
C16 C15 H15 107.8
C17 C15 H15 107.8
C15 C16 H16A 109.5
C15 C16 H16B 109.5
H16A C16 H16B 109.5
C15 C16 H16C 109.5
H16A C16 H16C 109.5
H16B C16 H16C 109.5
C18 C17 C15 113.2(3)
C18 C17 H17A 108.9
C15 C17 H17A 108.9
C18 C17 H17B 108.9
C15 C17 H17B 108.9
H17A C17 H17B 107.8
N2 C18 C12 109.0(3)
N2 C18 C17 109.3(3)
C12 C18 C17 112.8(3)
N2 C18 H18 108.6
C12 C18 H18 108.6
C17 C18 H18 108.6
C8 C19 N2 121.4(3)
C8 C19 C20 121.7(3)
N2 C19 C20 116.9(3)
C21 C20 C19 122.2(3)
C21 C20 H20 118.9
C19 C20 H20 118.9
C20 C21 C22 117.4(3)
C20 C21 H21 121.3
C22 C21 H21 121.3
N1 C22 C21 126.7(3)
N1 C22 C7 110.5(3)
C21 C22 C7 122.8(3)
N1 C23 C24 112.2(3)
N1 C23 H23A 109.2
C24 C23 H23A 109.2
N1 C23 H23B 109.2
C24 C23 H23B 109.2
H23A C23 H23B 107.9
C23 C24 H24A 109.5
C23 C24 H24B 109.5
H24A C24 H24B 109.5
C23 C24 H24C 109.5
H24A C24 H24C 109.5
H24B C24 H24C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
N1 C1 1.363(4)
N1 C22 1.383(4)
N1 C23 1.459(4)
N2 C19 1.397(4)
N2 C18 1.448(4)
N2 H2A 0.73(4)
C1 C2 1.398(5)
C1 C6 1.414(4)
C2 C3 1.360(6)
C2 H2 0.9300
C3 C4 1.391(5)
C3 H3 0.9300
C4 C5 1.371(4)
C4 H4 0.9300
C5 C6 1.404(4)
C5 H5 0.9300
C6 C7 1.469(4)
C7 C22 1.408(4)
C7 C8 1.431(4)
C8 C19 1.397(4)
C8 C9 1.537(4)
C9 C10 1.533(4)
C9 C11 1.538(4)
C9 C12 1.565(4)
C10 H10A 0.9600
C10 H10B 0.9600
C10 H10C 0.9600
C11 H11A 0.9600
C11 H11B 0.9600
C11 H11C 0.9600
C12 C18 1.494(4)
C12 C13 1.525(4)
C12 H12 0.9800
C13 C14 1.529(5)
C13 H13A 0.9700
C13 H13B 0.9700
C14 C15 1.480(5)
C14 H14A 0.9700
C14 H14B 0.9700
C15 C16 1.515(5)
C15 C17 1.527(5)
C15 H15 0.9800
C16 H16A 0.9600
C16 H16B 0.9600
C16 H16C 0.9600
C17 C18 1.516(4)
C17 H17A 0.9700
C17 H17B 0.9700
C18 H18 0.9800
C19 C20 1.401(4)
C20 C21 1.359(4)
C20 H20 0.9300
C21 C22 1.391(4)
C21 H21 0.9300
C23 C24 1.500(5)
C23 H23A 0.9700
C23 H23B 0.9700
C24 H24A 0.9600
C24 H24B 0.9600
C24 H24C 0.9600
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139038690
