Catalytic Cage Formation via Controlled Dimerization of Norbornadienes: An Entry to Functionalized HCTDs (Heptacyclo[6.6.0.0(2,6).0(3,13).0(4,11).0(5,9).0(10,14)]tetradecanes).
Lim, Hee Nam; Dong, Guangbin; Organic letters 18 (2016) 1104–; doi:10.1021/acs.orglett.6b00207

data_1542413
_publ_section_title
;
 Catalytic Cage Formation via Controlled Dimerization of Norbornadienes:
 An Entry to Functionalized HCTDs
 (Heptacyclo[6.6.0.0(2,6).0(3,13).0(4,11).0(5,9).0(10,14)]tetradecanes).
;
_journal_issue                   5
_journal_name_full               'Organic letters'
_journal_page_first              1104
_journal_paper_doi               10.1021/acs.orglett.6b00207
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C26 H44 O2 Si2'
_chemical_formula_sum            'C26 H44 O2 Si2'
_chemical_formula_weight         444.79
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 92.760(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   30.17(2)
_cell_length_b                   6.495(4)
_cell_length_c                   13.388(8)
_cell_measurement_reflns_used    3228
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.7671
_cell_measurement_theta_min      1.3514
_cell_volume                     2620(3)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.907
_diffrn_measurement_device_type  'Saturn724+ (2x2 bin mode)'
_diffrn_measurement_method       dtprofit.ref
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0446
_diffrn_reflns_av_unetI/netI     0.0478
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.907
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -42
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16687
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.907
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.116
_diffrn_reflns_theta_min         1.351
_diffrn_source                   'Sealed Tube'
_exptl_absorpt_coefficient_mu    0.154
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8384
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'R.H. Blessing, Acta Crystallogr., Sect A 1995, 51, 33-38'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.127
_exptl_crystal_description       Prism
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.344
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         3825
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0419
_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^)+(0.0822P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1156
_refine_ls_wR_factor_ref         0.1299
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3065
_reflns_number_total             3825
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol6b00207_si_002.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1542413--1542414.cif.
;
_cod_database_code               1542413
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.937
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              38116
_shelx_hkl_checksum              57350