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All results from a given calculation for N(SiH3)3 (trisilylamine)

using model chemistry: M06-2X/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3H 1A'
Energy calculated at M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-928.652320
Energy at 298.15K 
HF Energy-928.652320
Nuclear repulsion energy292.878898
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 M06-2X/6-311+G(3df,2p)
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' 2285 2285 0.00 754.96 0.00 0.01
2 A' 2267 2267 0.00 94.19 0.45 0.62
3 A' 1033 1033 0.05 1.54 0.75 0.86
4 A' 975 975 0.00 4.65 0.74 0.85
5 A' 663 663 0.00 0.48 0.15 0.26
6 A' 500 500 0.00 16.33 0.05 0.09
7 A" 2274 2274 355.81 0.00 0.75 0.86
8 A" 957 957 166.16 0.00 0.75 0.86
9 A" 755 755 109.72 0.00 0.75 0.86
10 A" 161 161 0.36 0.00 0.75 0.86
11 A" 102 102 0.16 0.00 0.75 0.86
12 E' 2279 2279 239.15 51.29 0.75 0.86
12 E' 2279 2279 238.58 50.99 0.75 0.86
13 E' 2270 2270 42.01 7.00 0.75 0.86
13 E' 2270 2270 41.99 6.93 0.75 0.86
14 E' 1031 1031 115.61 1.96 0.75 0.86
14 E' 1031 1031 115.19 1.90 0.75 0.86
15 E' 986 986 198.59 4.97 0.75 0.86
15 E' 986 986 198.59 5.05 0.75 0.86
16 E' 956 956 538.47 5.46 0.75 0.86
16 E' 956 956 540.71 5.60 0.75 0.86
17 E' 699 699 0.70 4.82 0.75 0.86
17 E' 699 699 0.71 4.75 0.75 0.86
18 E' 179 179 0.43 0.14 0.75 0.86
18 E' 178 178 0.43 0.15 0.75 0.86
19 E" 2271 2271 0.00 108.76 0.75 0.86
19 E" 2271 2271 0.00 107.87 0.75 0.86
20 E" 954 954 0.00 9.36 0.75 0.86
20 E" 954 954 0.00 9.47 0.75 0.86
21 E" 697 697 0.00 4.45 0.75 0.86
21 E" 697 697 0.00 4.40 0.75 0.86
22 E" 67 67 0.00 0.17 0.75 0.86
22 E" 67 67 0.00 0.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18372.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18372.8 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 M06-2X/6-311+G(3df,2p)
ABC
0.10392 0.10392 0.05489

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
Si2 0.000 1.735 0.000
Si3 -1.503 -0.868 0.000
Si4 1.503 -0.868 0.000
H5 -1.412 2.175 0.000
H6 -1.177 -2.310 0.000
H7 2.589 0.136 0.000
H8 0.680 2.273 1.196
H9 0.680 2.273 -1.196
H10 -2.308 -0.547 1.196
H11 -2.308 -0.547 -1.196
H12 1.628 -1.725 1.196
H13 1.628 -1.725 -1.196

Atom - Atom Distances (Å)
  N1 Si2 Si3 Si4 H5 H6 H7 H8 H9 H10 H11 H12 H13
N11.73541.73541.73542.59302.59302.59302.65682.65682.65682.65682.65682.6568
Si21.73543.00573.00571.47894.21353.04381.47731.47733.45983.45984.00724.0072
Si31.73543.00573.00573.04381.47894.21354.00724.00721.47731.47733.45983.4598
Si41.73543.00573.00574.21353.04381.47893.45983.45984.00724.00721.47731.4773
H52.59301.47893.04384.21354.49124.49122.41202.41203.10563.10565.08765.0876
H62.59304.21351.47893.04384.49124.49125.08765.08762.41202.41203.10563.1056
H72.59303.04384.21351.47894.49124.49123.10563.10565.08765.08762.41202.4120
H82.65681.47734.00723.45982.41205.08763.10562.39304.10864.75474.10864.7547
H92.65681.47734.00723.45982.41205.08763.10562.39304.75474.10864.75474.1086
H102.65683.45981.47734.00723.10562.41205.08764.10864.75472.39304.10864.7547
H112.65683.45981.47734.00723.10562.41205.08764.75474.10862.39304.75474.1086
H122.65684.00723.45981.47735.08763.10562.41204.10864.75474.10864.75472.3930
H132.65684.00723.45981.47735.08763.10562.41204.75474.10864.75474.10862.3930

picture of trisilylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 Si2 H5 107.286 N1 Si2 H8 111.324
N1 Si2 H9 111.324 N1 Si3 H6 107.286
N1 Si3 H10 111.324 N1 Si3 H11 111.324
N1 Si4 H7 107.286 N1 Si4 H12 111.324
N1 Si4 H13 111.324 Si2 N1 Si3 120.000
Si2 N1 Si4 120.000 Si3 N1 Si4 120.000
H5 Si2 H8 109.355 H5 Si2 H9 109.355
H6 Si3 H10 109.355 H6 Si3 H11 109.355
H7 Si4 H12 109.355 H7 Si4 H13 109.355
H8 Si2 H9 108.171 H10 Si3 H11 108.171
H12 Si4 H13 108.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.452      
2 Si 0.218      
3 Si 0.218      
4 Si 0.218      
5 H -0.020      
6 H -0.020      
7 H -0.020      
8 H -0.024      
9 H -0.024      
10 H -0.024      
11 H -0.024      
12 H -0.024      
13 H -0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.219 0.000 0.000
y 0.000 -51.219 0.000
z 0.000 0.000 -52.313
Traceless
 xyz
x 0.547 0.000 0.000
y 0.000 0.547 0.000
z 0.000 0.000 -1.094
Polar
3z2-r2-2.188
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.199 0.003 0.000
y 0.003 13.193 0.000
z 0.000 0.000 11.077


<r2> (average value of r2) Å2
<r2> 221.222
(<r2>)1/2 14.874