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All results from a given calculation for SiH3CCl3 ((trichloromethyl)silane)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-1701.364333
Energy at 298.15K-1701.367686
HF Energy-1701.172231
Nuclear repulsion energy433.040889
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 B2PLYP/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2341 2341 43.11      
2 A1 956 956 270.70      
3 A1 883 883 19.69      
4 A1 412 412 8.62      
5 A1 283 283 8.95      
6 A2 208 208 0.00      
7 E 2362 2362 82.35      
7 E 2362 2362 82.35      
8 E 968 968 60.19      
8 E 968 968 60.19      
9 E 726 726 16.07      
9 E 726 726 16.06      
10 E 604 604 102.85      
10 E 604 604 102.82      
11 E 270 270 0.00      
11 E 270 270 0.00      
12 E 169 169 0.00      
12 E 169 169 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7639.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7639.6 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 B2PLYP/3-21G*
ABC
0.05399 0.05365 0.05365

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.876
C2 0.000 0.000 -0.035
H3 0.000 -1.409 2.315
H4 1.220 0.704 2.315
H5 -1.220 0.704 2.315
Cl6 0.000 1.709 -0.647
Cl7 1.480 -0.854 -0.647
Cl8 -1.480 -0.854 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.91151.47551.47551.47553.04743.04743.0474
C21.91152.74012.74012.74011.81481.81481.8148
H31.47552.74012.44002.44004.30023.35733.3573
H41.47552.74012.44002.44003.35733.35734.3002
H51.47552.74012.44002.44003.35734.30023.3573
Cl63.04741.81484.30023.35733.35732.95932.9593
Cl73.04741.81483.35733.35734.30022.95932.9593
Cl83.04741.81483.35734.30023.35732.95932.9593

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 109.706 Si1 C2 Cl7 109.706
Si1 C2 Cl8 109.706 C2 Si1 H3 107.300
C2 Si1 H4 107.300 C2 Si1 H5 107.300
H3 Si1 H4 111.553 H3 Si1 H5 111.553
H4 Si1 H5 111.553 Cl6 C2 Cl7 109.236
Cl6 C2 Cl8 109.236 Cl7 C2 Cl8 109.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.568      
2 C -0.557      
3 H -0.044      
4 H -0.044      
5 H -0.044      
6 Cl 0.040      
7 Cl 0.040      
8 Cl 0.040      


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 1.845 1.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.693 0.000 0.000
y 0.000 -59.693 0.000
z 0.000 0.000 -56.242
Traceless
 xyz
x -1.726 0.000 0.000
y 0.000 -1.726 0.000
z 0.000 0.000 3.451
Polar
3z2-r26.902
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 9.167 0.000 0.000
y 0.000 9.167 0.000
z 0.000 0.000 7.851


<r2> (average value of r2) Å2
<r2> 278.126
(<r2>)1/2 16.677