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: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-1710.049383
Energy at 298.15K-1710.052376
HF Energy-1710.049383
Nuclear repulsion energy416.907170
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 B3LYP/SDD
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 3065 2946 0.29      
2 A1 1390 1336 21.78      
3 A1 753 724 51.83      
4 A1 378 363 24.27      
5 A1 200 192 19.61      
6 A2 203 196 0.00      
7 E 3171 3048 1.12      
7 E 3171 3048 1.12      
8 E 1470 1413 10.29      
8 E 1470 1413 10.29      
9 E 924 888 83.49      
9 E 924 888 83.48      
10 E 507 487 118.18      
10 E 507 487 118.16      
11 E 200 192 4.39      
11 E 200 192 4.39      
12 E 135 130 1.41      
12 E 135 130 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 9401.2 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 9037.4 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 B3LYP/SDD
ABC
0.05278 0.05278 0.03852

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.280
C2 0.000 0.000 2.150
Cl3 0.000 2.035 -0.479
Cl4 1.762 -1.018 -0.479
Cl5 -1.762 -1.018 -0.479
H6 0.000 -1.027 2.531
H7 0.890 0.514 2.531
H8 -0.890 0.514 2.531

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.87012.17212.17212.17212.47422.47422.4742
C21.87013.32493.32493.32491.09551.09551.0955
Cl32.17213.32493.52493.52494.29403.48813.4881
Cl42.17213.32493.52493.52493.48813.48814.2940
Cl52.17213.32493.52493.52493.48814.29403.4881
H62.47421.09554.29403.48813.48811.77911.7791
H72.47421.09553.48813.48814.29401.77911.7791
H82.47421.09553.48814.29403.48811.77911.7791

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.343 Si1 C2 H7 110.343
Si1 C2 H8 110.343 C2 Si1 Cl3 110.457
C2 Si1 Cl4 110.457 C2 Si1 Cl5 110.457
Cl3 Si1 Cl4 108.468 Cl3 Si1 Cl5 108.468
Cl4 Si1 Cl5 108.468 H6 C2 H7 108.586
H6 C2 H8 108.586 H7 C2 H8 108.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.987      
2 C -0.962      
3 Cl -0.274      
4 Cl -0.274      
5 Cl -0.274      
6 H 0.266      
7 H 0.266      
8 H 0.266      


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 3.308 3.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -62.969 0.000 0.000
y 0.000 -62.969 0.000
z 0.000 0.000 -54.953
Traceless
 xyz
x -4.008 0.000 0.000
y 0.000 -4.008 0.000
z 0.000 0.000 8.016
Polar
3z2-r216.032
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 9.183 0.000 0.000
y 0.000 9.183 0.000
z 0.000 0.000 7.305


<r2> (average value of r2) Å2
<r2> 311.813
(<r2>)1/2 17.658