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: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-1710.269559
Energy at 298.15K-1710.272670
HF Energy-1710.269559
Nuclear repulsion energy432.653096
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 B97D3/TZVP
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 2998 2955 0.31      
2 A1 1278 1259 17.91      
3 A1 727 717 73.79      
4 A1 420 414 22.75      
5 A1 224 220 11.57      
6 A2 168 166 0.00      
7 E 3089 3044 1.89      
7 E 3089 3044 1.89      
8 E 1430 1409 4.15      
8 E 1430 1409 4.14      
9 E 824 812 73.46      
9 E 824 812 73.47      
10 E 546 538 157.90      
10 E 546 538 157.92      
11 E 211 208 2.77      
11 E 211 208 2.77      
12 E 150 147 0.56      
12 E 150 147 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 9155.9 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 9024.1 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 B97D3/TZVP
ABC
0.05665 0.05665 0.04211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.260
C2 0.000 0.000 2.125
Cl3 0.000 1.946 -0.468
Cl4 1.685 -0.973 -0.468
Cl5 -1.685 -0.973 -0.468
H6 0.000 -1.030 2.497
H7 0.892 0.515 2.497
H8 -0.892 0.515 2.497

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86512.07762.07762.07762.46232.46232.4623
C21.86513.24243.24243.24241.09471.09471.0947
Cl32.07763.24243.36983.36984.20073.41123.4112
Cl42.07763.24243.36983.36983.41123.41124.2007
Cl52.07763.24243.36983.36983.41124.20073.4112
H62.46231.09474.20073.41123.41121.78341.7834
H72.46231.09473.41123.41124.20071.78341.7834
H82.46231.09473.41124.20073.41121.78341.7834

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 109.846 Si1 C2 H7 109.846
Si1 C2 H8 109.846 C2 Si1 Cl3 110.536
C2 Si1 Cl4 110.536 C2 Si1 Cl5 110.536
Cl3 Si1 Cl4 108.386 Cl3 Si1 Cl5 108.386
Cl4 Si1 Cl5 108.386 H6 C2 H7 109.094
H6 C2 H8 109.094 H7 C2 H8 109.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.615      
2 C -0.476      
3 Cl -0.194      
4 Cl -0.194      
5 Cl -0.194      
6 H 0.148      
7 H 0.148      
8 H 0.148      


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 2.281 2.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.207 0.000 0.000
y 0.000 -59.207 0.000
z 0.000 0.000 -54.491
Traceless
 xyz
x -2.358 0.000 0.000
y 0.000 -2.358 0.000
z 0.000 0.000 4.716
Polar
3z2-r29.432
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 10.044 0.000 0.000
y 0.000 10.043 -0.000
z 0.000 -0.000 9.109


<r2> (average value of r2) Å2
<r2> 290.171
(<r2>)1/2 17.034