Discovery of a Photochemical Cascade Process by Flow-Based Interception of Isomerising Alkenes
Di Filippo, Mara; Trujillo, Cristina; Sánchez-Sanz, Goar; Batsanov, Andrei Stepanovich; Baumann, Marcus; Chemical Science  (2021) –; doi:10.1039/D1SC02879K

data_1563940
_publ_section_title
;
 Discovery of a Photochemical Cascade Process by Flow-Based Interception
 of Isomerising Alkenes
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC02879K
_journal_year                    2021
_chemical_formula_moiety         'C22 H20 O3'
_chemical_formula_sum            'C22 H20 O3'
_chemical_formula_weight         332.38
_chemical_name_systematic
'Rac-(2aR,4aR,11aR)-4a-butyl-4a,10-dihydrocyclobuta[3a',4']pentaleno- [1',2':1,2]indeno[5,6-d][1,3]dioxol-11(2aH)-one'
_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   difmap
_atom_sites_solution_primary     dual
_audit_creation_date             2020-11-27
_audit_creation_method
;
Olex2 1.3-alpha
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6208)
;
_audit_update_record
;
2021-03-22 deposited with the CCDC.	2021-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                109.2492(11)
_cell_angle_beta                 93.9771(13)
_cell_angle_gamma                92.7275(13)
_cell_formula_units_Z            2
_cell_length_a                   6.7532(2)
_cell_length_b                   9.4136(3)
_cell_length_c                   14.1529(4)
_cell_measurement_reflns_used    6384
_cell_measurement_temperature    200
_cell_measurement_theta_max      30.93
_cell_measurement_theta_min      2.30
_cell_volume                     845.01(4)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'APEX3 v.2019.1-0 (Bruker, 2019)'
_computing_data_reduction        'SAINT v8.40A (Bruker AXS, 2019)'
_computing_molecular_graphics    'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015a)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      200
_diffrn_detector                 'Bruker PHOTON III MM CPAD'
_diffrn_detector_area_resol_mean 7.4
_diffrn_detector_type            'CPA sensor'
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       '3-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\w- and \f-scan'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0328
_diffrn_reflns_av_unetI/netI     0.0367
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_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            12919
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.500
_diffrn_reflns_theta_min         2.296
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_type              'Incoatec I\mS 3.0 microsource'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9131
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Krause et al., 2015) was used for absorption correction.
wR2(int) was 0.1162 before and 0.0526 after correction.
The Ratio of minimum to maximum transmission is 0.9131.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_description       block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.264
_exptl_crystal_size_mid          0.242
_exptl_crystal_size_min          0.106
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         3870
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0557P)^2^+0.2320P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1101
_refine_ls_wR_factor_ref         0.1178
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3064
_reflns_number_total             3870
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc02879k2.cif
_cod_data_source_block           7a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        845.01(7)
_cod_database_code               1563940
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.978
_computing_bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_shelx_res_checksum              88702
_shelx_hkl_checksum              13023