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 SiH3CCl3 ((trichloromethyl)silane)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-1710.083417
Energy at 298.15K-1710.086796
HF Energy-1710.083417
Nuclear repulsion energy437.577985
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 mPW1PW91/6-311G*
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 2263 2160 45.04      
2 A1 930 888 191.41      
3 A1 878 838 79.75      
4 A1 435 415 8.72      
5 A1 284 272 8.69      
6 A2 192 184 0.00      
7 E 2282 2178 76.07      
7 E 2282 2178 76.07      
8 E 942 899 62.24      
8 E 942 899 62.24      
9 E 759 725 61.35      
9 E 759 725 61.35      
10 E 613 585 77.26      
10 E 613 585 77.28      
11 E 279 267 0.08      
11 E 279 267 0.08      
12 E 161 153 0.00      
12 E 161 153 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7526.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 7183.6 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 mPW1PW91/6-311G*
ABC
0.05545 0.05465 0.05465

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.868
C2 0.000 0.000 -0.051
H3 0.000 -1.414 2.305
H4 1.225 0.707 2.305
H5 -1.225 0.707 2.305
Cl6 0.000 1.685 -0.642
Cl7 1.460 -0.843 -0.642
Cl8 -1.460 -0.843 -0.642

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91921.48021.48021.48023.02333.02333.0233
C21.91922.74812.74812.74811.78591.78591.7859
H31.48022.74812.44942.44944.27703.33803.3380
H41.48022.74812.44942.44943.33803.33804.2770
H51.48022.74812.44942.44943.33804.27703.3380
Cl63.02331.78594.27703.33803.33802.91922.9192
Cl73.02331.78593.33803.33804.27702.91922.9192
Cl83.02331.78593.33804.27703.33802.91922.9192

picture of (trichloromethyl)silane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 Cl6 109.318 Si1 C2 Cl7 109.318
Si1 C2 Cl8 109.318 C2 Si1 H3 107.175
C2 Si1 H4 107.175 C2 Si1 H5 107.175
H3 Si1 H4 111.666 H3 Si1 H5 111.666
H4 Si1 H5 111.666 Cl6 C2 Cl7 109.624
Cl6 C2 Cl8 109.624 Cl7 C2 Cl8 109.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.547      
2 C -0.604      
3 H -0.030      
4 H -0.030      
5 H -0.030      
6 Cl 0.049      
7 Cl 0.049      
8 Cl 0.049      


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 1.872 1.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.425 0.000 0.000
y 0.000 -59.425 0.000
z 0.000 0.000 -56.500
Traceless
 xyz
x -1.462 0.000 0.000
y 0.000 -1.462 0.000
z 0.000 0.000 2.924
Polar
3z2-r25.849
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 10.268 0.000 0.000
y 0.000 10.269 -0.000
z 0.000 -0.000 8.962


<r2> (average value of r2) Å2
<r2> 273.201
(<r2>)1/2 16.529