Interaction, bond formation or reaction between a dimethylamino group and an adjacent alkene or aldehyde group in aromatic systems controlled by remote molecular constraints
Bristow, Jonathan C.; Cliff, Stacey V. A.; Yang, Songjie; Wallis, John D.; CrystEngComm 23 (2021) 4500–4512; doi:10.1039/D1CE00377A

data_7242928
_publ_section_title
;
 Interaction, bond formation or reaction between a dimethylamino group and
 an adjacent alkene or aldehyde group in aromatic systems controlled by
 remote molecular constraints
;
_journal_issue                   25
_journal_name_full               CrystEngComm
_journal_page_first              4500
_journal_page_last               4512
_journal_paper_doi               10.1039/D1CE00377A
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C20 H19 N O2'
_chemical_formula_sum            'C20 H19 N O2'
_chemical_formula_weight         305.36
_chemical_melting_point          454.5(15)
_chemical_name_systematic
;
1,2,3,4-Tetrahydro-1,2,2-trimethyl-spiro[cyclopentan-1,3-acenaphth[5,6-bc]azepine]-2,5-dione
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-10-01
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-09 deposited with the CCDC.	2021-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.945(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.7625(5)
_cell_length_b                   32.3176(10)
_cell_length_c                   8.6130(3)
_cell_measurement_reflns_used    2832
_cell_measurement_temperature    150.01(10)
_cell_measurement_theta_max      28.3900
_cell_measurement_theta_min      2.4570
_cell_volume                     2959.3(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 15.9832
_diffrn_detector_type            Sapphire3
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.839
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -14.00  13.00   1.00  100.00    --  -16.16  57.00  60.00   27
  2  \w    -42.00  21.00   1.00  100.00    --   16.24 -57.00 120.00   63
  3  \w    -49.00  81.00   1.00  100.00    --   16.24   0.00 150.00  130
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0538776000
_diffrn_orient_matrix_UB_12      0.0036310000
_diffrn_orient_matrix_UB_13      0.0571388000
_diffrn_orient_matrix_UB_21      -0.0307126000
_diffrn_orient_matrix_UB_22      0.0170766000
_diffrn_orient_matrix_UB_23      0.0292202000
_diffrn_orient_matrix_UB_31      -0.0247146000
_diffrn_orient_matrix_UB_32      -0.0132921000
_diffrn_orient_matrix_UB_33      0.0531642000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0425
_diffrn_reflns_av_unetI/netI     0.0798
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.839
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -44
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            14496
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.839
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.377
_diffrn_reflns_theta_min         2.293
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.940
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_preparation
'Prepared from a slow evaporation of a dichloromethane / hexane solution.'
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DCM/hexane'
_exptl_crystal_size_max          0.374
_exptl_crystal_size_mid          0.209
_exptl_crystal_size_min          0.082
_refine_diff_density_max         0.533
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         6829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.150
_refine_ls_R_factor_all          0.1484
_refine_ls_R_factor_gt           0.1040
_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^)+(0.0486P)^2^+4.8426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1877
_refine_ls_wR_factor_ref         0.2072
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4795
_reflns_number_total             6829
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ce00377a2.cif
_cod_data_source_block           jb317abs
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '453-456' was changed to
'454.5(15)' -- the average value was taken and precision was
estimated.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7242927--7242944.cif.
;
_cod_database_code               7242928
_shelx_shelxl_version_number     2016/6
_chemical_oxdiff_formula         'C20 H19 N1 O2'
_chemical_oxdiff_usercomment     'Pale yellow block'
_reflns_odcompleteness_completeness 99.92
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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 Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C12(H12A,H12B), C14(H14A,H14B), C16(H16A,H16B), C18(H18A,
 H18B), C19(H19A,H19B), C31(H31A,H31B), C32(H32A,H32B), C34(H34A,H34B),
 C36(H36A,H36B), C38(H38A,H38B), C39(H39A,H39B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C7(H7), C8(H8), C22(H22), C23(H23), C27(H27), C28(H28)
2.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C33(H33A,H33B,H33C)
;
_shelx_res_checksum              61001
_shelx_hkl_checksum              72310
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.044
_oxdiff_exptl_absorpt_empirical_full_min 0.966