Syntheses and structures of magnesium and zinc boraamidinates: EPR and DFT investigations of Li, Mg, Zn, B, and In complexes of the [PhB(NtBu)2].- anion radical.
Chivers, Tristram; Eisler, Dana J.; Fedorchuk, Chantall; Schatte, Gabriele; Tuononen, Heikki M.; Boeré, René T; Inorganic chemistry 45 (2006) 2119–2131; doi:10.1021/ic0520014

data_4340208
_publ_section_title
;
 Syntheses and structures of magnesium and zinc boraamidinates: EPR and
 DFT investigations of Li, Mg, Zn, B, and In complexes of the
 [PhB(NtBu)2].- anion radical.
;
_journal_issue                   5
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2119
_journal_page_last               2131
_journal_paper_doi               10.1021/ic0520014
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C36 H66 B2 Li2 Mg N4 O2'
_chemical_formula_weight         646.74
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.00(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.977(2)
_cell_length_b                   17.347(4)
_cell_length_c                   24.129(5)
_cell_measurement_temperature    150(2)
_cell_volume                     4173.5(15)
_computing_cell_refinement       'Nonius DENZO'
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'Nonius DENZO'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'phi\omega 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  0.048
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            65821
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.9926
_exptl_absorpt_correction_T_min  0.9903
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.029
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.359
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     420
_refine_ls_number_reflns         9532
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0721
_refine_ls_R_factor_gt           0.0484
_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^)+(0.0527P)^2^+1.8255P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1166
_refine_ls_wR_factor_ref         0.1291
_reflns_number_gt                7122
_reflns_number_total             9532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0520014rom20051118_090606.cif
_cod_data_source_block           complex6a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        4173.3(14)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4340208