Structural influence of steric factors and donor functions on lithium silylamides in non-coordinating solvents.
Colquhoun, Victoria P.; Strohmann, Carsten; Dalton transactions (Cambridge, England : 2003) 41 (2012) 1897–1902; doi:10.1039/c1dt11550b

data_7017857
_publ_section_title
;
 Structural influence of steric factors and donor functions on lithium
 silylamides in non-coordinating solvents.
;
_journal_issue                   6
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1897
_journal_page_last               1902
_journal_paper_doi               10.1039/c1dt11550b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C13 H31 Li N2 O2 Si'
_chemical_formula_weight         282.43
_chemical_name_systematic
;
'lithium
5-(2-methoxyethyl)-7,7,9,9-tetramethyl-2-oxa-5,8-diaza-7-siladecan-8-ide
;
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_cell_length_b                   9.1182(10)
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_cell_measurement_temperature    173(2)
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_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)'
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
;
_computing_molecular_graphics
;
Ortep-3 (Farrugia, 1997) and Schakal 92
(Keller 1992)
;
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_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
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_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_av_unetI/netI     0.1281
_diffrn_reflns_limit_h_max       10
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_diffrn_reflns_limit_k_max       10
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_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -12
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;
CrysAlis RED, Oxford Diffraction Ltd. Empirical absorption correction using
spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.064
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.259
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         3085
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_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.047
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0050P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0495
_refine_ls_wR_factor_ref         0.0519
_reflns_number_gt                1716
_reflns_number_total             3085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11550b.txt
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_cod_original_cell_volume        881.82(16)
_cod_database_code               7017857