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: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-1710.065821
Energy at 298.15K-1710.069110
HF Energy-1710.065821
Nuclear repulsion energy432.629085
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 B3LYPultrafine/aug-cc-pVDZ
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 2232 2166 43.41      
2 A1 913 886 196.73      
3 A1 859 833 40.72      
4 A1 416 404 8.59      
5 A1 278 269 9.15      
6 A2 191 185 0.00      
7 E 2254 2188 68.59      
7 E 2254 2187 68.59      
8 E 939 911 49.04      
8 E 939 911 49.04      
9 E 725 704 42.76      
9 E 725 704 42.74      
10 E 596 578 76.04      
10 E 596 578 76.04      
11 E 267 259 0.18      
11 E 267 259 0.18      
12 E 160 155 0.07      
12 E 160 155 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7384.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 7166.3 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.05436 0.05331 0.05331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.895
C2 0.000 0.000 -0.041
H3 0.000 -1.421 2.333
H4 1.231 0.711 2.333
H5 -1.231 0.711 2.333
Cl6 0.000 1.702 -0.653
Cl7 1.474 -0.851 -0.653
Cl8 -1.474 -0.851 -0.653

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93671.48751.48751.48753.06433.06433.0643
C21.93672.76772.76772.76771.80871.80871.8087
H31.48752.76772.46212.46214.32143.37863.3786
H41.48752.76772.46212.46213.37863.37864.3214
H51.48752.76772.46212.46213.37864.32143.3786
Cl63.06431.80874.32143.37863.37862.94862.9486
Cl73.06431.80873.37863.37864.32142.94862.9486
Cl83.06431.80873.37864.32143.37862.94862.9486

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 109.750 Si1 C2 Cl7 109.750
Si1 C2 Cl8 109.750 C2 Si1 H3 107.129
C2 Si1 H4 107.129 C2 Si1 H5 107.129
H3 Si1 H4 111.709 H3 Si1 H5 111.709
H4 Si1 H5 111.709 Cl6 C2 Cl7 109.191
Cl6 C2 Cl8 109.191 Cl7 C2 Cl8 109.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si -0.635      
2 C -0.652      
3 H 0.382      
4 H 0.382      
5 H 0.382      
6 Cl 0.047      
7 Cl 0.047      
8 Cl 0.047      


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 1.660 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.347 0.000 0.000
y 0.000 -59.347 0.000
z 0.000 0.000 -56.367
Traceless
 xyz
x -1.490 0.000 0.000
y 0.000 -1.490 0.000
z 0.000 0.000 2.979
Polar
3z2-r25.959
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 12.645 0.000 0.000
y 0.000 12.644 0.000
z 0.000 0.000 12.273


<r2> (average value of r2) Å2
<r2> 278.661
(<r2>)1/2 16.693