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: B1B95/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1710.241002
Energy at 298.15K-1710.244295
HF Energy-1710.241002
Nuclear repulsion energy439.849374
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/aug-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 A1 2259 2165 45.83      
2 A1 924 885 135.86      
3 A1 874 838 103.90      
4 A1 434 416 7.14      
5 A1 276 264 8.96      
6 A2 191 183 0.00      
7 E 2281 2186 71.28      
7 E 2281 2186 71.30      
8 E 934 896 51.35      
8 E 934 896 51.34      
9 E 756 725 49.01      
9 E 756 725 49.02      
10 E 605 580 56.81      
10 E 605 580 56.82      
11 E 264 253 0.01      
11 E 264 253 0.01      
12 E 146 140 0.07      
12 E 146 140 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7465.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 7156.0 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/aug-cc-pVTZ
ABC
0.05609 0.05520 0.05520

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.859
C2 0.000 0.000 -0.051
H3 0.000 -1.410 2.297
H4 1.221 0.705 2.297
H5 -1.221 0.705 2.297
Cl6 0.000 1.676 -0.640
Cl7 1.451 -0.838 -0.640
Cl8 -1.451 -0.838 -0.640

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91001.47671.47671.47673.00873.00873.0087
C21.91002.73902.73902.73901.77611.77611.7761
H31.47672.73902.44262.44264.26013.32563.3256
H41.47672.73902.44262.44263.32563.32564.2601
H51.47672.73902.44262.44263.32564.26013.3256
Cl63.00871.77614.26013.32563.32562.90222.9022
Cl73.00871.77613.32563.32564.26012.90222.9022
Cl83.00871.77613.32564.26013.32562.90222.9022

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 109.368 Si1 C2 Cl7 109.368
Si1 C2 Cl8 109.368 C2 Si1 H3 107.257
C2 Si1 H4 107.257 C2 Si1 H5 107.257
H3 Si1 H4 111.592 H3 Si1 H5 111.592
H4 Si1 H5 111.592 Cl6 C2 Cl7 109.574
Cl6 C2 Cl8 109.574 Cl7 C2 Cl8 109.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.671      
2 C 0.430      
3 H -0.142      
4 H -0.142      
5 H -0.142      
6 Cl -0.225      
7 Cl -0.225      
8 Cl -0.225      


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 1.460 1.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.388 0.000 0.000
y 0.000 -58.388 0.000
z 0.000 0.000 -55.730
Traceless
 xyz
x -1.329 0.000 0.000
y 0.000 -1.329 0.000
z 0.000 0.000 2.659
Polar
3z2-r25.317
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 12.385 0.000 0.000
y 0.000 12.383 -0.001
z 0.000 -0.001 12.063


<r2> (average value of r2) Å2
<r2> 270.187
(<r2>)1/2 16.437