Pnictogen-bonding catalysis: brevetoxin-type polyether cyclizations
Gini, Andrea; Paraja, Miguel; Galmés, Bartomeu; Besnard, Celine; Poblador-Bahamonde, Amalia I.; Sakai, Naomi; Frontera, Antonio; Matile, Stefan; Chemical Science  (2020) –; doi:10.1039/D0SC02551H

data_1558416
_publ_section_title
;
 Pnictogen-bonding catalysis: brevetoxin-type polyether cyclizations
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D0SC02551H
_journal_year                    2020
_chemical_formula_moiety         'C24 H8 F12 Ge'
_chemical_formula_sum            'C24 H8 F12 Ge'
_chemical_formula_weight         596.89
_space_group_crystal_system      tetragonal
_space_group_IT_number           142
_space_group_name_Hall           '-I 4bd 2c'
_space_group_name_H-M_alt        'I 41/a c d :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2020-02-24
_audit_creation_method
;
Olex2 1.3
(compiled Nov 21 2019 18:26:39 for OlexSys, GUI svn.r6003)
;
_audit_update_record
;
2020-04-26 deposited with the CCDC.	2020-06-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   14.40851(16)
_cell_length_b                   14.40851(16)
_cell_length_c                   20.9644(4)
_cell_measurement_reflns_used    9008
_cell_measurement_temperature    100.00(11)
_cell_measurement_theta_max      41.0720
_cell_measurement_theta_min      2.7740
_cell_volume                     4352.32(11)
_computing_cell_refinement       'CrysAlisPro 1.171.41.53a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.53a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.53a (Rigaku OD, 2020)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(11)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix-Arc
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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    -45.00 -11.00   0.50   16.00    --    0.03 -19.00 -90.00   68
  2  \w    -47.00  -4.00   0.50   16.00    --    0.03 -19.00 -60.00   86
  3  \w    -35.00  17.00   0.50   16.00    --  -22.00  23.00-179.94  104
  4  \w     -9.00  17.00   0.50   16.00    --    0.03  92.00  53.79   52
  5  \w    -14.00  12.00   0.50   16.00    --    0.03-101.00 116.46   52
  6  \w      7.00  19.50   0.50   16.00    --    0.03  66.00-119.69   25
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix-Arc'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0204751000
_diffrn_orient_matrix_UB_12      -0.0333323000
_diffrn_orient_matrix_UB_13      -0.0205525000
_diffrn_orient_matrix_UB_21      0.0447845000
_diffrn_orient_matrix_UB_22      0.0154735000
_diffrn_orient_matrix_UB_23      0.0092267000
_diffrn_orient_matrix_UB_31      0.0003231000
_diffrn_orient_matrix_UB_32      -0.0327034000
_diffrn_orient_matrix_UB_33      0.0252590000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_unetI/netI     0.0133
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            17294
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.503
_diffrn_reflns_theta_min         2.788
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.522
_exptl_absorpt_correction_T_max  0.898
_exptl_absorpt_correction_T_min  0.771
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.53a (Rigaku Oxford Diffraction, 2020)
Analytical numeric absorption correction using a multifaceted crystal
			model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.822
_exptl_crystal_description       prism
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.245
_exptl_crystal_size_mid          0.089
_exptl_crystal_size_min          0.074
_refine_diff_density_max         0.464
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     84
_refine_ls_number_reflns         1667
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0274
_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^)+(0.0326P)^2^+5.5648P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0655
_refine_ls_wR_factor_ref         0.0676
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1527
_reflns_number_total             1667
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc02551h2.cif
_cod_data_source_block           agn02-38
_cod_original_cell_volume        4352.32(12)
_cod_original_sg_symbol_H-M      'I 41/a c d'
_cod_database_code               1558416
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'Ge C24 H8 F12'
_reflns_odcompleteness_completeness 99.84
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     30.44
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C6(H6)
;
_shelx_res_checksum              61376
_shelx_hkl_checksum              89208
_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 1.158
_oxdiff_exptl_absorpt_empirical_full_min 0.768