return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-1710.391471
Energy at 298.15K-1710.394765
HF Energy-1710.391471
Nuclear repulsion energy439.927625
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 B1B95/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3070 2947 0.26      
2 A1 1303 1251 31.97      
3 A1 768 738 79.77      
4 A1 451 433 24.41      
5 A1 236 227 14.21      
6 A2 180 173 0.00      
7 E 3165 3039 0.20      
7 E 3165 3039 0.20      
8 E 1446 1388 4.97      
8 E 1446 1388 4.97      
9 E 827 794 93.19      
9 E 827 794 93.14      
10 E 582 559 165.46      
10 E 582 559 165.41      
11 E 220 211 4.16      
11 E 220 211 4.16      
12 E 158 152 0.41      
12 E 158 152 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 9400.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9025.8 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 B1B95/6-311G**
ABC
0.05854 0.05854 0.04370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.258
C2 0.000 0.000 2.098
Cl3 0.000 1.910 -0.463
Cl4 1.654 -0.955 -0.463
Cl5 -1.654 -0.955 -0.463
H6 0.000 -1.024 2.472
H7 0.887 0.512 2.472
H8 -0.887 0.512 2.472

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.83952.04132.04132.04132.43872.43872.4387
C21.83953.19433.19433.19431.08981.08981.0898
Cl32.04133.19433.30773.30774.14923.36923.3692
Cl42.04133.19433.30773.30773.36923.36924.1492
Cl52.04133.19433.30773.30773.36924.14923.3692
H62.43871.08984.14923.36923.36921.77301.7730
H72.43871.08983.36923.36924.14921.77301.7730
H82.43871.08983.36924.14923.36921.77301.7730

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.066 Si1 C2 H7 110.066
Si1 C2 H8 110.066 C2 Si1 Cl3 110.686
C2 Si1 Cl4 110.686 C2 Si1 Cl5 110.686
Cl3 Si1 Cl4 108.230 Cl3 Si1 Cl5 108.230
Cl4 Si1 Cl5 108.230 H6 C2 H7 108.870
H6 C2 H8 108.870 H7 C2 H8 108.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.844      
2 C -0.625      
3 Cl -0.249      
4 Cl -0.249      
5 Cl -0.249      
6 H 0.176      
7 H 0.176      
8 H 0.176      


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 2.423 2.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.287 0.000 0.000
y 0.000 -60.287 0.000
z 0.000 0.000 -54.925
Traceless
 xyz
x -2.681 0.000 0.000
y 0.000 -2.681 0.000
z 0.000 0.000 5.362
Polar
3z2-r210.724
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 9.624 0.000 0.000
y 0.000 9.627 0.000
z 0.000 0.000 8.586


<r2> (average value of r2) Å2
<r2> 282.270
(<r2>)1/2 16.801