Reactions between a sodium amide Na[N(SiMe3)R1] (R1 = SiMe3, SiMe2Ph or But) and a cyanoalkane RCN (R = Ad or Bu(t)).
Avent, Anthony G.; Antolini, Floria; Hitchcock, Peter B.; Khvostov, Alexei V.; Lappert, Michael F.; Protchenko, Andrey V.; Dalton transactions (Cambridge, England : 2003)  (2006) 919–927; doi:10.1039/b506753g

data_7006332
_publ_section_title
;
 Reactions between a sodium amide Na[N(SiMe3)R1] (R1 = SiMe3, SiMe2Ph
 or But) and a cyanoalkane RCN (R = Ad or Bu(t)).
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              919
_journal_page_last               927
_journal_paper_doi               10.1039/b506753g
_journal_year                    2006
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C21 H54 N3 Na3 Si3'
_chemical_formula_sum            'C21 H54 N3 Na3 Si3'
_chemical_formula_weight         501.91
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
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_audit_conform_dict_name         cif_core.dic
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_audit_creation_date             2005-02-16T12:26:01-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                78.751(2)
_cell_angle_beta                 80.164(1)
_cell_angle_gamma                86.661(1)
_cell_formula_units_Z            2
_cell_length_a                   8.6622(2)
_cell_length_b                   12.3995(3)
_cell_length_c                   15.4351(4)
_cell_measurement_reflns_used    21747
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.022
_cell_measurement_theta_min      3.395
_cell_measurement_wavelength     0.71073
_cell_volume                     1601.55(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.594181E-1
_diffrn_orient_matrix_UB_12      0.91358E-2
_diffrn_orient_matrix_UB_13      -0.623905E-1
_diffrn_orient_matrix_UB_21      0.667906E-1
_diffrn_orient_matrix_UB_22      0.558722E-1
_diffrn_orient_matrix_UB_23      0.133309E-1
_diffrn_orient_matrix_UB_31      0.757999E-1
_diffrn_orient_matrix_UB_32      -0.596726E-1
_diffrn_orient_matrix_UB_33      0.202997E-1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0433
_diffrn_reflns_av_unetI/netI     0.0291
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28337
_diffrn_reflns_theta_full        26.06
_diffrn_reflns_theta_max         26.06
_diffrn_reflns_theta_min         3.45
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.201
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.041
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.612
_refine_diff_density_min         -0.371
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         6290
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.049
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0721P)^2^+1.2196P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1345
_refine_ls_wR_factor_ref         0.1428
_reflns_number_gt                5261
_reflns_number_total             6290
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b506753g.txt
_cod_data_source_block           (3)-feb1605
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7006332