13C NMR (100 MHz, CD3OD) Crystallographic analysis Table 2. Crystal data and structure refinement parameters for compound 22 22 Empirical formula C19H37NO7Si Formula weight 419.59 Temperature, (K) 95(2) T Wavelength, (Å) 1.54184 λ Crystal system Orthorhombic Space group P212121 Unit cell dimensions (Å) 6.50720(10) a (Å) 11.73290(10) b (Å) 31.2873(5) c (Å3) 2388.73(6) V Formula per unit cell, 4 Z (g/cm3) 1.164 Dcalcd Absorption coefficient, (mm-1) 1.173 μ 0 0) 912.0 F(0 Crystal size (mm) 0.305 × 0.176 × 0.062 Range for data collection (o) 2.825-76.671 Index ranges 8 h –8 ≤ ≤ 14 k –14 ≤ ≤ 36 l –39 ≤ ≤ Independent reflections (Rint) 4968 (0.0981)
13C NMR (100 MHz, CD3OD) Crystallographic analysis Table 2. Crystal data and structure refinement parameters for compound 22 22 Empirical formula C19H37NO7Si Formula weight 419.59 Temperature, T (K) 95(2) Wavelength, λ (Å) 1.54184 Crystal system Orthorhombic Space group P212121 Unit cell dimensions a (Å) 6.50720(10) b (Å) 11.73290(10) c (Å) 31.2873(5) V (Å3) 2388.73(6) Formula per unit cell, Z 4 Dcalcd (g/cm3) 1.164 Absorption coefficient, μ (mm-1) 1.173 F(0 0 0) 912.0 Crystal size (mm) 0.305 × 0.176 × 0.062 Range for data collection (o) 2.825-76.671 Index ranges –8 ≤ h ≤ 8 –14 ≤ k ≤ 14 –39 ≤ l ≤ 36 Independent reflections (Rint) 4968 (0.0981)
1-s2.0-S0008621518304130-mmc1.docx