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All results from a given calculation for SiH3NH2 (Silane, amino)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-345.278678
Energy at 298.15K 
HF Energy-345.211509
Nuclear repulsion energy64.748309
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP=FULLultrafine/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3535 3535 20.05 103.29 0.13 0.23
2 A' 2299 2299 83.09 144.69 0.03 0.06
3 A' 2260 2260 217.78 77.46 0.43 0.60
4 A' 1680 1680 48.32 7.93 0.72 0.84
5 A' 1070 1070 299.34 19.75 0.73 0.85
6 A' 940 940 120.30 19.43 0.66 0.80
7 A' 898 898 35.29 11.58 0.46 0.63
8 A' 755 755 49.18 16.57 0.68 0.81
9 A' 476 476 298.82 1.34 0.29 0.45
10 A" 3630 3630 21.63 69.08 0.75 0.86
11 A" 2301 2301 176.67 60.71 0.75 0.86
12 A" 1034 1034 62.45 27.54 0.75 0.86
13 A" 960 960 122.46 2.53 0.75 0.86
14 A" 655 655 12.80 2.71 0.75 0.86
15 A" 47 47 0.31 2.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11268.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11268.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULLultrafine/3-21G*
ABC
2.33359 0.42263 0.40636

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 -0.001 -0.574 0.000
N2 -0.001 1.142 0.000
H3 1.329 -1.245 0.000
H4 -0.713 -1.051 1.212
H5 -0.713 -1.051 -1.212
H6 0.060 1.696 -0.847
H7 0.060 1.696 0.847

Atom - Atom Distances (Å)
  Si1 N2 H3 H4 H5 H6 H7
Si11.71631.49001.48451.48452.42412.4241
N21.71632.73272.60472.60471.01431.0143
H31.49002.73272.38322.38323.31333.3133
H41.48452.60472.38322.42493.51922.8767
H51.48452.60472.38322.42492.87673.5192
H62.42411.01433.31333.51922.87671.6948
H72.42411.01433.31332.87673.51921.6948

picture of Silane, amino state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 N2 H6 123.106 Si1 N2 H7 123.106
N2 Si1 H3 116.747 N2 Si1 H4 108.717
N2 Si1 H5 108.717 H3 Si1 H4 106.489
H3 Si1 H5 106.489 H4 Si1 H5 109.517
H6 N2 H7 113.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability