Bis(imidazolin-2-ylidene-1-yl)borate Complexes of the Heavier Alkaline Earths: Synthesis and Studies of Catalytic Hydroamination
Arrowsmith, Merle; Hill, Michael S.; Kociok-Köhn, Gabriele; Organometallics 28 (2009) 1730–; doi:10.1021/om8010933

data_4068791
_publ_section_title
;
 Bis(imidazolin-2-ylidene-1-yl)borate Complexes of the Heavier Alkaline
 Earths: Synthesis and Studies of Catalytic Hydroamination
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1730
_journal_paper_doi               10.1021/om8010933
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C56 H72 B2 Ca2 I2 N8 O2, C7 H8'
_chemical_formula_sum            'C63 H80 B2 Ca2 I2 N8 O2'
_chemical_formula_weight         1336.93
_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                88.9100(10)
_cell_angle_beta                 84.7710(10)
_cell_angle_gamma                65.664(2)
_cell_formula_units_Z            2
_cell_length_a                   12.7284(4)
_cell_length_b                   15.4087(6)
_cell_length_c                   18.6707(8)
_cell_measurement_reflns_used    46267
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.910
_cell_volume                     3321.9(2)
_computing_cell_refinement       'HKL Scalepack (Otwinski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
;
 DENZO-SCALEPACK Z. Otwinowski and W. Minor, " 
 Processing of X-ray Diffraction Data Collected in Oscillation Mode ", 
 Methods in Enzymology, Volume 276: Macromolecular Crystallography, 
 part A, p.307-326, 1997,C.W. Carter, Jr. & R. M. Sweet, Eds., Academic Press.
;
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL97 -Program for Crystal Structure Analysis (Release 97-2). 
 Sheldrick, G.M., Instit\"ut f\"ur Anorganische Chemie der Universit\"at, 
 Tammanstrasse 4, D-3400 G\"ottingen, Germany, 1998 
;
_computing_structure_solution
; 
 SHELXS97 - Programs for Crystal Structure Solution (Release 97-2). 
 G. M. Sheldrick, Instit\"ut f\"ur Anorganische Chemie der Universit\"at, 
 Tammanstrasse 4, D-3400 G\"ottingen, Germany, 1998. 
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '203 1.4 degree images with \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  0.1265
_diffrn_reflns_av_sigmaI/netI    0.1224
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            30202
_diffrn_reflns_theta_full        24.94
_diffrn_reflns_theta_max         24.94
_diffrn_reflns_theta_min         3.67
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.147
_exptl_absorpt_correction_T_max  0.9449
_exptl_absorpt_correction_T_min  0.7625
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1372
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.595
_refine_diff_density_min         -0.972
_refine_diff_density_rms         0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     725
_refine_ls_number_reflns         11375
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.1665
_refine_ls_R_factor_gt           0.1107
_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^)+(0.0858P)^2^+59.4968P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2617
_refine_ls_wR_factor_ref         0.2925
_reflns_number_gt                7054
_reflns_number_total             11375
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8010933_si_002.cif
_cod_data_source_block           k08msh71
_cod_database_code               4068791