Pentalenes with novel topologies: exploiting the cascade carbopalladation reaction between alkynes and gem-dibromoolefins
London, Gábor; von Wantoch Rekowski, Margarete; Dumele, Oliver; Schweizer, W. Bernd; Gisselbrecht, Jean-Paul; Boudon, Corinne; Diederich, François; Chemical Science 5 (2014) 965–; doi:10.1039/c3sc52623b

data_1513668
_publ_section_title
;
 Pentalenes with novel topologies: exploiting the cascade carbopalladation
 reaction between alkynes and gem-dibromoolefins
;
_journal_issue                   3
_journal_name_full               'Chemical Science'
_journal_page_first              965
_journal_paper_doi               10.1039/c3sc52623b
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         'C39 H36 N4 Si'
_chemical_formula_sum            'C39 H36 N4 Si'
_chemical_formula_weight         588.81
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                105.856(9)
_cell_angle_beta                 99.890(9)
_cell_angle_gamma                94.670(10)
_cell_formula_units_Z            2
_cell_length_a                   8.265(2)
_cell_length_b                   11.375(3)
_cell_length_c                   17.895(4)
_cell_measurement_reflns_used    2861
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.98
_cell_measurement_theta_min      2.42
_cell_volume                     1579.6(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Platon, Ortep'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement
'OLEX2 (Dolomanov, 2009), SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0681
_diffrn_reflns_av_sigmaI/netI    0.0929
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            23873
_diffrn_reflns_theta_full        27.75
_diffrn_reflns_theta_max         27.75
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.9957
_exptl_absorpt_correction_T_min  0.9786
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     541
_refine_ls_number_reflns         7321
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0986
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1178
_reflns_number_gt                4659
_reflns_number_total             7321
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc52623b.txt
_cod_data_source_block           d250213_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/RSC/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1579.7(8)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1513668