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_7006329
_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         'C22 H54 N4 Na2 Si4'
_chemical_formula_sum            'C22 H54 N4 Na2 Si4'
_chemical_formula_weight         533.03
_chemical_name_common            ((Na(N(SiMe3)2)(NCtBu))2)
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
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_audit_creation_date             2000-08-30T17:32:16-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 106.847(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.4173(5)
_cell_length_b                   11.7327(3)
_cell_length_c                   22.1248(5)
_cell_measurement_reflns_used    16859
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.878
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     3581.88(18)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_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-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0551
_diffrn_reflns_av_unetI/netI     0.0665
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            28309
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         3.77
_exptl_absorpt_coefficient_mu    0.205
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    0.988
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_parameters     317
_refine_ls_number_reflns         8493
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      0.8
_refine_ls_R_factor_all          0.0976
_refine_ls_R_factor_gt           0.0526
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1294P)^2^+3.1685P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1475
_refine_ls_wR_factor_ref         0.1866
_reflns_number_gt                5448
_reflns_number_total             8493
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b506753g.txt
_cod_data_source_block           (1b)-aug2500
_cod_original_cell_volume        3581.87(17)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7006329