Unexpected rearrangements in the synthesis of an unsymmetrical tridentate dianionic N-heterocyclic carbene
Despagnet-Ayoub, Emmanuelle; Miqueu, Karinne; Sotiropoulos, Jean-Marc; Henling, Lawrence M.; Day, Michael W.; Labinger, Jay A.; Bercaw, John E.; Chemical Science 4 (2013) 2117–; doi:10.1039/c3sc22171g

data_1514688
_publ_section_title
;
 Unexpected rearrangements in the synthesis of an unsymmetrical tridentate
 dianionic N-heterocyclic carbene
;
_journal_issue                   5
_journal_name_full               'Chemical Science'
_journal_page_first              2117
_journal_paper_doi               10.1039/c3sc22171g
_journal_volume                  4
_journal_year                    2013
_chemical_formula_moiety         'C33 H41 N3 O, 2(C3 H6 O), 2(B F4)'
_chemical_formula_sum            'C39 H53 B2 F8 N3 O3'
_chemical_formula_weight         785.46
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                79.606(2)
_cell_angle_beta                 81.358(2)
_cell_angle_gamma                75.254(2)
_cell_formula_units_Z            2
_cell_length_a                   8.9329(3)
_cell_length_b                   15.3817(5)
_cell_length_c                   16.3064(6)
_cell_measurement_reflns_used    9917
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.55
_cell_measurement_theta_min      2.37
_cell_volume                     2118.34(13)
_computing_cell_refinement       'Bruker SAINT-Plus v7.68A'
_computing_data_collection       'Bruker APEX2 v2009.7-0'
_computing_data_reduction        'Bruker SAINT-Plus v7.68A'
_computing_molecular_graphics    'Bruker XP v5.1'
_computing_publication_material  'Bruker XCIF 2008'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker KAPPA APEX II'
_diffrn_measurement_method       '\w scans; 11 settings'
_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  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            58613
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9724
_exptl_absorpt_correction_T_min  0.9610
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             828
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.537
_refine_diff_density_min         -0.414
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   4.929
_refine_ls_hydrogen_treatment    Riding
_refine_ls_matrix_type           'Full matrix'
_refine_ls_number_parameters     573
_refine_ls_number_reflns         12943
_refine_ls_number_restraints     564
_refine_ls_restrained_S_all      5.053
_refine_ls_R_factor_all          0.1344
_refine_ls_R_factor_gt           0.0840
_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^)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.1135
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                7074
_reflns_number_total             12943
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc22171g.txt
_cod_data_source_block           emd21
_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/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_refine_ls_weighting_scheme' value 'Sigma' changed to
'sigma' according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 

The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'Direct methods' was changed to
'direct'.

'_atom_sites_solution_secondary' value 'Difference Fourier map' was
changed to 'difmap'.

'_atom_sites_solution_hydrogens' value 'Geometric positions' was
changed to 'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1514688