#------------------------------------------------------------------------------
#$Date: 2025-08-20 19:06:18 +0300 (Wed, 20 Aug 2025) $
#$Revision: 301834 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/12/19/4121987.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_4121987
loop_
_publ_author_name
'Kumarasamy, Elango'
'Raghunathan, Ramya'
'Jockusch, Steffen'
'Ugrinov, Angel'
'Sivaguru, J.'
_publ_section_title
;
 Tailoring atropisomeric maleimides for stereospecific [2 + 2]
 photocycloaddition-photochemical and photophysical investigations leading
 to visible-light photocatalysis.
;
_journal_issue                   24
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8729
_journal_page_last               8737
_journal_paper_doi               10.1021/ja5034638
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H17 N O3'
_chemical_formula_sum            'C20 H17 N O3'
_chemical_formula_weight         319.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2013-11-22
_audit_creation_method
;
Olex2 1.2
(compiled 2013.11.15 svn.r2839 for OlexSys, GUI svn.r4715)
;
_cell_angle_alpha                90
_cell_angle_beta                 112.488(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.5871(2)
_cell_length_b                   7.2845(2)
_cell_length_c                   10.7784(3)
_cell_measurement_reflns_used    4896
_cell_measurement_temperature    100
_cell_measurement_theta_max      66.25
_cell_measurement_theta_min      4.44
_cell_volume                     768.04(4)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.01
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_unetI/netI     0.0242
_diffrn_reflns_Laue_measured_fraction_full 0.975
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10176
_diffrn_reflns_point_group_measured_fraction_full 0.958
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         66.607
_diffrn_reflns_theta_min         4.440
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.754
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6857
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0541 before and 0.0410 after correction.
The Ratio of minimum to maximum transmission is 0.9109.
The λ/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_description       prism
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.077
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.139
_refine_diff_density_min         -0.133
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 1130 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.05(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         2675
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0279
_refine_ls_R_factor_gt           0.0263
_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/[σ²(Fo²)+(0.0366P)²+0.1281P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0660
_reflns_Friedel_coverage         0.812
_reflns_Friedel_fraction_full    0.939
_reflns_Friedel_fraction_max     0.961
_reflns_number_gt                2580
_reflns_number_total             2675
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            ja5034638_si_002.cif
_cod_data_source_block           1R5S6R-2g
_cod_depositor_comments
'Adding full bibliography for 4121977--4121989.cif.'
_cod_original_cell_volume        768.04(3)
_cod_database_code               4121987
#BEGIN Tags that were not found in dictionaries:
_shelxl_version_number           2013-4
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelx_estimated_absorpt_t_max   0.970
_shelx_estimated_absorpt_t_min   0.858
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C5(H5), C6(H6)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C8(H8A,H8B)
2.c Aromatic/amide H refined with riding coordinates:
 C12(H12), C21(H21), C13(H13), C24(H24), C11(H11), C20(H20), C22(H22), C23(H23)
2.d Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C)
;
#END Tags that were not found in dictionaries
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z'
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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
O17 O -0.36617(14) -0.3566(2) -0.56765(14) 0.0234(3) Uani 1 1 d .
O18 O 0.01710(14) -0.0334(2) -0.52855(14) 0.0224(3) Uani 1 1 d .
O9 O -0.25754(15) 0.1541(2) -0.52138(14) 0.0237(3) Uani 1 1 d .
C15 C -0.2640(2) -0.0666(3) -0.6901(2) 0.0196(4) Uani 1 1 d .
N3 N -0.18871(17) -0.1817(2) -0.57815(17) 0.0178(4) Uani 1 1 d .
C2 C -0.2568(2) -0.2828(3) -0.5115(2) 0.0193(4) Uani 1 1 d .
C4 C -0.0591(2) -0.1202(3) -0.4913(2) 0.0186(4) Uani 1 1 d .
C12 C -0.3872(2) 0.1911(3) -0.8850(2) 0.0250(5) Uani 1 1 d .
H12 H -0.4279 0.2799 -0.9532 0.030 Uiso 1 1 calc R
C16 C -0.2622(2) -0.3030(3) -0.8603(2) 0.0247(5) Uani 1 1 d .
H16A H -0.2063 -0.3698 -0.7789 0.037 Uiso 1 1 calc GR
H16B H -0.2118 -0.2913 -0.9195 0.037 Uiso 1 1 calc GR
H16C H -0.3474 -0.3704 -0.9070 0.037 Uiso 1 1 calc GR
C10 C -0.2978(2) 0.1059(3) -0.6543(2) 0.0214(5) Uani 1 1 d .
C21 C -0.0759(2) -0.6279(3) -0.0967(2) 0.0256(5) Uani 1 1 d .
H21 H 0.0045 -0.6890 -0.0392 0.031 Uiso 1 1 calc R
C13 C -0.3568(2) 0.0181(3) -0.9199(2) 0.0232(5) Uani 1 1 d .
H13 H -0.3787 -0.0100 -1.0119 0.028 Uiso 1 1 calc R
C24 C -0.3092(2) -0.4481(3) -0.2631(2) 0.0253(5) Uani 1 1 d .
H24 H -0.3895 -0.3853 -0.3190 0.030 Uiso 1 1 calc R
C11 C -0.3592(2) 0.2365(3) -0.7520(2) 0.0238(5) Uani 1 1 d .
H11 H -0.3817 0.3543 -0.7287 0.029 Uiso 1 1 calc R
C20 C -0.0671(2) -0.4958(3) -0.1855(2) 0.0219(5) Uani 1 1 d .
H20 H 0.0192 -0.4677 -0.1889 0.026 Uiso 1 1 calc R
C5 C -0.0389(2) -0.1694(3) -0.3500(2) 0.0193(4) Uani 1 1 d .
H5 H 0.0448 -0.2421 -0.2980 0.023 Uiso 1 1 calc R
C22 C -0.2010(3) -0.6715(3) -0.0912(2) 0.0269(5) Uani 1 1 d .
H22 H -0.2064 -0.7617 -0.0298 0.032 Uiso 1 1 calc R
C1 C -0.1781(2) -0.2541(3) -0.3633(2) 0.0193(4) Uani 1 1 d .
C6 C -0.2204(2) -0.0555(3) -0.3273(2) 0.0209(4) Uani 1 1 d .
H6 H -0.2498 -0.0641 -0.2497 0.025 Uiso 1 1 calc R
C23 C -0.3181(2) -0.5827(3) -0.1757(2) 0.0295(5) Uani 1 1 d .
H23 H -0.4044 -0.6141 -0.1738 0.035 Uiso 1 1 calc R
C7 C -0.0679(2) 0.0020(3) -0.2788(2) 0.0228(5) Uani 1 1 d .
H7A H -0.0196 0.0002 -0.1799 0.027 Uiso 1 1 calc R
H7B H -0.0533 0.1201 -0.3167 0.027 Uiso 1 1 calc R
C14 C -0.2947(2) -0.1153(3) -0.8228(2) 0.0201(4) Uani 1 1 d .
C19 C -0.1836(2) -0.4040(3) -0.2699(2) 0.0206(4) Uani 1 1 d .
C8 C -0.3200(2) 0.0632(3) -0.4388(2) 0.0244(5) Uani 1 1 d .
H8A H -0.3961 -0.0150 -0.4971 0.029 Uiso 1 1 calc R
H8B H -0.3592 0.1575 -0.3978 0.029 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 0.0181 0.0091 '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 0.0311 0.0180 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0492 0.0322 '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
C10 O9 C8 119.27(17)
C10 C15 N3 114.23(18)
C14 C15 N3 123.62(19)
C14 C15 C10 122.05(19)
C2 N3 C15 120.52(16)
C2 N3 C4 112.80(16)
C4 N3 C15 117.41(17)
O17 C2 N3 123.89(19)
O17 C2 C1 128.95(19)
N3 C2 C1 106.56(17)
O18 C4 N3 123.46(19)
O18 C4 C5 127.54(19)
N3 C4 C5 108.89(17)
C13 C12 C11 121.1(2)
O9 C10 C15 120.44(18)
O9 C10 C11 119.06(19)
C11 C10 C15 120.15(19)
C20 C21 C22 120.5(2)
C12 C13 C14 121.4(2)
C23 C24 C19 120.7(2)
C10 C11 C12 118.3(2)
C21 C20 C19 120.5(2)
C4 C5 C1 103.87(17)
C4 C5 C7 109.33(17)
C1 C5 C7 90.31(15)
C21 C22 C23 119.6(2)
C2 C1 C5 105.92(17)
C2 C1 C6 106.80(16)
C5 C1 C6 87.85(15)
C19 C1 C2 117.52(18)
C19 C1 C5 120.39(18)
C19 C1 C6 114.00(16)
C7 C6 C1 88.52(15)
C8 C6 C1 119.49(17)
C8 C6 C7 115.37(18)
C22 C23 C24 120.0(2)
C6 C7 C5 89.60(16)
C15 C14 C16 121.53(19)
C15 C14 C13 116.9(2)
C13 C14 C16 121.54(19)
C24 C19 C1 118.97(19)
C20 C19 C24 118.6(2)
C20 C19 C1 122.37(19)
O9 C8 C6 113.58(17)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O17 C2 1.208(3)
O18 C4 1.208(2)
O9 C10 1.375(3)
O9 C8 1.456(3)
C15 N3 1.435(3)
C15 C10 1.400(3)
C15 C14 1.386(3)
N3 C2 1.405(3)
N3 C4 1.406(3)
C2 C1 1.507(3)
C4 C5 1.499(3)
C12 C13 1.388(3)
C12 C11 1.388(3)
C16 C14 1.502(3)
C10 C11 1.384(3)
C21 C20 1.385(3)
C21 C22 1.385(3)
C13 C14 1.395(3)
C24 C23 1.388(3)
C24 C19 1.397(3)
C20 C19 1.392(3)
C5 C1 1.552(3)
C5 C7 1.556(3)
C22 C23 1.386(4)
C1 C6 1.605(3)
C1 C19 1.502(3)
C6 C7 1.552(3)
C6 C8 1.528(3)
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
O17 C2 C1 C5 174.5(2)
O17 C2 C1 C6 -92.9(3)
O17 C2 C1 C19 36.6(3)
O18 C4 C5 C1 171.8(2)
O18 C4 C5 C7 76.5(3)
O9 C10 C11 C12 173.88(19)
C15 N3 C2 O17 38.2(3)
C15 N3 C2 C1 -133.63(18)
C15 N3 C4 O18 -34.3(3)
C15 N3 C4 C5 142.14(17)
C15 C10 C11 C12 0.7(3)
N3 C15 C10 O9 0.9(3)
N3 C15 C10 C11 174.07(18)
N3 C15 C14 C16 6.0(3)
N3 C15 C14 C13 -173.88(18)
N3 C2 C1 C5 -14.3(2)
N3 C2 C1 C6 78.34(18)
N3 C2 C1 C19 -152.14(18)
N3 C4 C5 C1 -4.4(2)
N3 C4 C5 C7 -99.71(19)
C2 N3 C4 O18 178.77(18)
C2 N3 C4 C5 -4.8(2)
C2 C1 C6 C7 -120.44(17)
C2 C1 C6 C8 -1.9(2)
C2 C1 C19 C24 -63.0(3)
C2 C1 C19 C20 119.7(2)
C4 N3 C2 O17 -176.01(19)
C4 N3 C2 C1 12.2(2)
C4 C5 C1 C2 11.2(2)
C4 C5 C1 C6 -95.61(16)
C4 C5 C1 C19 147.66(18)
C4 C5 C7 C6 89.92(18)
C12 C13 C14 C15 -0.5(3)
C12 C13 C14 C16 179.69(19)
C10 O9 C8 C6 114.0(2)
C10 C15 N3 C2 81.6(2)
C10 C15 N3 C4 -62.7(2)
C10 C15 C14 C16 -177.88(19)
C10 C15 C14 C13 2.3(3)
C21 C20 C19 C24 -0.1(3)
C21 C20 C19 C1 177.2(2)
C21 C22 C23 C24 -1.4(3)
C13 C12 C11 C10 1.1(3)
C11 C12 C13 C14 -1.2(3)
C20 C21 C22 C23 0.3(3)
C5 C1 C6 C7 -14.45(15)
C5 C1 C6 C8 104.1(2)
C5 C1 C19 C24 165.41(19)
C5 C1 C19 C20 -11.9(3)
C22 C21 C20 C19 0.4(3)
C1 C5 C7 C6 -14.90(16)
C1 C6 C7 C5 14.40(15)
C1 C6 C8 O9 -77.8(2)
C6 C1 C19 C24 63.1(3)
C6 C1 C19 C20 -114.2(2)
C23 C24 C19 C20 -1.0(3)
C23 C24 C19 C1 -178.4(2)
C7 C5 C1 C2 121.26(17)
C7 C5 C1 C6 14.41(15)
C7 C5 C1 C19 -102.3(2)
C7 C6 C8 O9 25.9(3)
C14 C15 N3 C2 -101.9(2)
C14 C15 N3 C4 113.7(2)
C14 C15 C10 O9 -175.56(18)
C14 C15 C10 C11 -2.4(3)
C19 C24 C23 C22 1.8(3)
C19 C1 C6 C7 108.05(19)
C19 C1 C6 C8 -133.4(2)
C8 O9 C10 C15 -69.5(2)
C8 O9 C10 C11 117.3(2)
C8 C6 C7 C5 -107.79(19)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139123242
