Flipping the Switch: Fast Photoisomerization in a Confined Environment.
Williams, Derek E.; Martin, Corey R.; Dolgopolova, Ekaterina A.; Swifton, Anton; Godfrey, Danielle C.; Ejegbavwo, Otega A.; Pellechia, Perry J.; Smith, Mark D.; Shustova, Natalia B.; Journal of the American Chemical Society 140 (2018) 7611–7622; doi:10.1021/jacs.8b02994

data_4132342
_publ_section_title
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 Flipping the Switch: Fast Photoisomerization in a Confined Environment.
;
_journal_issue                   24
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7611
_journal_page_last               7622
_journal_paper_doi               10.1021/jacs.8b02994
_journal_volume                  140
_journal_year                    2018
_chemical_formula_moiety         'C29 H24 N4 O3'
_chemical_formula_sum            'C29 H24 N4 O3'
_chemical_formula_weight         476.52
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-05-05
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_cell_angle_alpha                92.4060(10)
_cell_angle_beta                 105.7170(10)
_cell_angle_gamma                113.9040(10)
_cell_formula_units_Z            2
_cell_length_a                   8.9034(3)
_cell_length_b                   10.0040(4)
_cell_length_c                   15.0137(6)
_cell_measurement_reflns_used    9170
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.28
_cell_measurement_theta_min      2.26
_cell_volume                     1159.22(8)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker APEX3 v2016.5-0 (Bruker, 2016)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker PHOTON-100 area detector'
_diffrn_detector_area_resol_mean 10.4
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0679
_diffrn_reflns_av_unetI/netI     0.0391
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            33010
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        26.425
_diffrn_reflns_theta_max         26.425
_diffrn_reflns_theta_min         2.261
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.8620
_exptl_absorpt_correction_T_min  0.8444
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0773 before and 0.0530 after correction.
The Ratio of minimum to maximum transmission is 0.9796.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_description       plate
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.0096(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         4759
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0388P)^2^+0.5895P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0991
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3560
_reflns_number_total             4759
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b02994_si_003.cif
_cod_data_source_block           cmr1_89_etoac
_cod_database_code               4132342
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.984
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C12(H12), C13(H13), C15(H15), C17(H17), C18(H18), C21(H21),
 C22(H22), C23(H23), C24(H24), C26(H26), C27(H27), C28(H28), C29(H29)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C)
;
_shelx_res_checksum              44001
_shelx_hkl_checksum              83995
_olex2_submission_special_instructions 'No special instructions were received'