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

using model chemistry: M06-2X/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-928.654008
Energy at 298.15K 
HF Energy-928.654008
Nuclear repulsion energy292.100512
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/cc-pVTZ
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' 2280 2178 0.00 704.89 0.01 0.01
2 A' 2264 2162 0.00 100.67 0.42 0.59
3 A' 1030 984 0.12 3.82 0.75 0.85
4 A' 971 927 0.00 5.34 0.73 0.85
5 A' 659 630 0.00 0.70 0.26 0.42
6 A' 498 476 0.00 15.46 0.05 0.10
7 A" 2271 2169 360.85 0.00 0.75 0.86
8 A" 952 909 172.47 0.00 0.75 0.86
9 A" 753 720 113.13 0.00 0.75 0.86
10 A" 161 154 0.32 0.00 0.75 0.86
11 A" 94 90 0.22 0.00 0.75 0.86
12 E' 2275 2173 232.14 58.09 0.75 0.86
12 E' 2275 2173 231.78 57.03 0.75 0.86
13 E' 2266 2164 50.05 4.08 0.75 0.86
13 E' 2266 2164 49.76 4.15 0.75 0.86
14 E' 1033 986 125.82 1.94 0.75 0.86
14 E' 1033 986 125.53 1.91 0.75 0.86
15 E' 982 938 211.98 4.89 0.75 0.86
15 E' 982 938 212.08 5.05 0.75 0.86
16 E' 952 909 523.35 8.60 0.75 0.86
16 E' 952 909 526.22 8.87 0.75 0.86
17 E' 697 665 0.49 7.46 0.75 0.86
17 E' 697 665 0.51 7.28 0.75 0.86
18 E' 178 170 0.50 0.10 0.75 0.86
18 E' 177 169 0.48 0.10 0.75 0.86
19 E" 2268 2166 0.00 108.89 0.75 0.86
19 E" 2268 2166 0.00 107.08 0.75 0.86
20 E" 949 906 0.00 13.86 0.75 0.86
20 E" 949 906 0.00 14.18 0.75 0.86
21 E" 695 664 0.00 7.55 0.75 0.86
21 E" 695 664 0.00 7.63 0.75 0.86
22 E" 60 58 0.00 0.24 0.75 0.86
22 E" 60 58 0.00 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18319.4 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 17496.9 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/cc-pVTZ
ABC
0.10334 0.10334 0.05457

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
Si2 0.000 1.741 0.000
Si3 -1.507 -0.870 0.000
Si4 1.507 -0.870 0.000
H5 -1.415 2.179 0.000
H6 -1.180 -2.315 0.000
H7 2.595 0.135 0.000
H8 0.681 2.278 1.198
H9 0.681 2.278 -1.198
H10 -2.314 -0.549 1.198
H11 -2.314 -0.549 -1.198
H12 1.633 -1.729 1.198
H13 1.633 -1.729 -1.198

Atom - Atom Distances (Å)
  N1 Si2 Si3 Si4 H5 H6 H7 H8 H9 H10 H11 H12 H13
N11.74061.74061.74062.59822.59822.59822.66292.66292.66292.66292.66292.6629
Si21.74063.01483.01481.48104.22353.05111.47951.47953.46883.46884.01754.0175
Si31.74063.01483.01483.05111.48104.22354.01754.01751.47951.47953.46883.4688
Si41.74063.01483.01484.22353.05111.48103.46883.46884.01754.01751.47951.4795
H52.59821.48103.05114.22354.50024.50022.41622.41623.11283.11285.09885.0988
H62.59824.22351.48103.05114.50024.50025.09885.09882.41622.41623.11283.1128
H72.59823.05114.22351.48104.50024.50023.11283.11285.09885.09882.41622.4162
H82.66291.47954.01753.46882.41625.09883.11282.39634.11904.76534.11904.7653
H92.66291.47954.01753.46882.41625.09883.11282.39634.76534.11904.76534.1190
H102.66293.46881.47954.01753.11282.41625.09884.11904.76532.39634.11904.7653
H112.66293.46881.47954.01753.11282.41625.09884.76534.11902.39634.76534.1190
H122.66294.01753.46881.47955.09883.11282.41624.11904.76534.11904.76532.3963
H132.66294.01753.46881.47955.09883.11282.41624.76534.11904.76534.11902.3963

picture of trisilylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 Si2 H5 107.235 N1 Si2 H8 111.316
N1 Si2 H9 111.316 N1 Si3 H6 107.235
N1 Si3 H10 111.316 N1 Si3 H11 111.316
N1 Si4 H7 107.235 N1 Si4 H12 111.316
N1 Si4 H13 111.316 Si2 N1 Si3 120.000
Si2 N1 Si4 120.000 Si3 N1 Si4 120.000
H5 Si2 H8 109.396 H5 Si2 H9 109.396
H6 Si3 H10 109.396 H6 Si3 H11 109.396
H7 Si4 H12 109.396 H7 Si4 H13 109.396
H8 Si2 H9 108.158 H10 Si3 H11 108.158
H12 Si4 H13 108.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.277      
2 Si 0.125      
3 Si 0.125      
4 Si 0.125      
5 H -0.007      
6 H -0.007      
7 H -0.007      
8 H -0.013      
9 H -0.013      
10 H -0.013      
11 H -0.013      
12 H -0.013      
13 H -0.013      


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 -51.302 0.000 0.000
y 0.000 -51.302 0.000
z 0.000 0.000 -52.446
Traceless
 xyz
x 0.572 0.000 0.000
y 0.000 0.572 0.000
z 0.000 0.000 -1.144
Polar
3z2-r2-2.287
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 12.888 0.003 0.000
y 0.003 12.885 0.000
z 0.000 0.000 10.887


<r2> (average value of r2) Å2
<r2> 222.325
(<r2>)1/2 14.911