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: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-1709.564814
Energy at 298.15K-1709.567966
HF Energy-1709.564814
Nuclear repulsion energy435.043695
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 PBE1PBE/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 3069 2951 0.12      
2 A1 1265 1216 19.86      
3 A1 761 732 78.24      
4 A1 445 428 21.56      
5 A1 226 217 11.98      
6 A2 148 143 0.00      
7 E 3180 3057 0.01      
7 E 3180 3057 0.01      
8 E 1415 1360 3.47      
8 E 1415 1360 3.47      
9 E 811 780 89.99      
9 E 811 780 89.98      
10 E 580 557 146.07      
10 E 580 557 146.06      
11 E 211 203 2.92      
11 E 211 203 2.92      
12 E 150 145 0.68      
12 E 150 145 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 9304.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8945.8 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 PBE1PBE/cc-pVDZ
ABC
0.05724 0.05724 0.04275

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.267
C2 0.000 0.000 2.120
Cl3 0.000 1.931 -0.469
Cl4 1.672 -0.965 -0.469
Cl5 -1.672 -0.965 -0.469
H6 0.000 -1.035 2.492
H7 0.897 0.518 2.492
H8 -0.897 0.518 2.492

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.85322.06652.06652.06652.45422.45422.4542
C21.85323.23023.23023.23021.10021.10021.1002
Cl32.06653.23023.34433.34434.19163.40183.4018
Cl42.06653.23023.34433.34433.40183.40184.1916
Cl52.06653.23023.34433.34433.40184.19163.4018
H62.45421.10024.19163.40183.40181.79331.7933
H72.45421.10023.40183.40184.19161.79331.7933
H82.45421.10023.40184.19163.40181.79331.7933

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.761 Si1 C2 H7 109.761
Si1 C2 H8 109.761 C2 Si1 Cl3 110.878
C2 Si1 Cl4 110.878 C2 Si1 Cl5 110.878
Cl3 Si1 Cl4 108.028 Cl3 Si1 Cl5 108.028
Cl4 Si1 Cl5 108.028 H6 C2 H7 109.180
H6 C2 H8 109.180 H7 C2 H8 109.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.557      
2 C -0.247      
3 Cl -0.196      
4 Cl -0.196      
5 Cl -0.196      
6 H 0.093      
7 H 0.093      
8 H 0.093      


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 2.359 2.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.681 0.000 0.000
y 0.000 -58.681 0.000
z 0.000 0.000 -53.750
Traceless
 xyz
x -2.465 0.000 0.000
y 0.000 -2.465 0.000
z 0.000 0.000 4.931
Polar
3z2-r29.862
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 9.200 0.000 0.000
y 0.000 9.201 0.000
z 0.000 0.000 8.247


<r2> (average value of r2) Å2
<r2> 286.815
(<r2>)1/2 16.936