Splitting and reorientation of π-conjugation by an unprecedented photo-rearrangement reaction.
Inaba, Yuya; Yoneda, Tomoki; Kitagawa, Yuichi; Miyata, Kiyoshi; Hasegawa, Yasuchika; Inokuma, Yasuhide; Chemical communications (Cambridge, England) 56 (2020) 348–351; doi:10.1039/c9cc09062b

data_7125441
_publ_section_title
;
 Splitting and reorientation of \p-conjugation by an unprecedented
 photo-rearrangement reaction.
;
_journal_issue                   3
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              348
_journal_page_last               351
_journal_paper_doi               10.1039/c9cc09062b
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C14 H16 O2'
_chemical_formula_sum            'C14 H16 O2'
_chemical_formula_weight         216.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
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_audit_update_record
;
2019-09-20 deposited with the CCDC.	2019-11-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.722(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
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_cell_length_c                   11.6496(7)
_cell_measurement_reflns_used    2643
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.3900
_cell_measurement_theta_min      2.3940
_cell_volume                     592.25(6)
_computing_cell_refinement       'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_molecular_graphics    'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG 2009 (Wakita Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC11 (RCD3): quarter-chi single'
_diffrn_radiation_monochromator  mirror
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_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0221
_diffrn_reflns_av_unetI/netI     0.0218
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
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_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4752
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.492
_diffrn_reflns_theta_min         3.862
_diffrn_source                   'Rotating-anode X-ray tube (dual wavelength)'
_diffrn_source_type              'Rigaku (Mo) X-ray DW Source'
_exptl_absorpt_coefficient_mu    0.080
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.43a (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             232
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         1219
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0360
_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^)+(0.0444P)^2^+0.2214P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0904
_refine_ls_wR_factor_ref         0.0933
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1086
_reflns_number_total             1219
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc09062b2.cif
_cod_data_source_block           Compound_3
_cod_depositor_comments
'Adding full bibliography for 7125441--7125444.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7125441
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              76855