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

using model chemistry: B2PLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1709.297433
Energy at 298.15K-1709.300847
HF Energy-1709.085256
Nuclear repulsion energy435.427082
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/6-31+G**
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 2310 2200 53.51      
2 A1 948 903 244.65      
3 A1 886 844 33.19      
4 A1 429 408 7.84      
5 A1 287 273 9.98      
6 A2 194 185 0.00      
7 E 2330 2219 91.29      
7 E 2330 2219 91.27      
8 E 970 924 62.20      
8 E 970 924 62.21      
9 E 761 725 47.07      
9 E 761 725 47.04      
10 E 619 589 74.39      
10 E 619 589 74.37      
11 E 277 264 0.01      
11 E 277 264 0.01      
12 E 166 158 0.05      
12 E 166 158 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7649.0 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 7284.9 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/6-31+G**
ABC
0.05496 0.05404 0.05404

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.881
C2 0.000 0.000 -0.047
H3 0.000 -1.408 2.316
H4 1.219 0.704 2.316
H5 -1.219 0.704 2.316
Cl6 0.000 1.693 -0.647
Cl7 1.466 -0.847 -0.647
Cl8 -1.466 -0.847 -0.647

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92751.47331.47331.47333.04233.04233.0423
C21.92752.75032.75032.75031.79641.79641.7964
H31.47332.75032.43802.43804.28873.35313.3531
H41.47332.75032.43802.43803.35313.35314.2887
H51.47332.75032.43802.43803.35314.28873.3531
Cl63.04231.79644.28873.35313.35312.93272.9327
Cl73.04231.79643.35313.35314.28872.93272.9327
Cl83.04231.79643.35314.28873.35312.93272.9327

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 109.515 Si1 C2 Cl7 109.515
Si1 C2 Cl8 109.515 C2 Si1 H3 107.182
C2 Si1 H4 107.182 C2 Si1 H5 107.182
H3 Si1 H4 111.660 H3 Si1 H5 111.660
H4 Si1 H5 111.660 Cl6 C2 Cl7 109.428
Cl6 C2 Cl8 109.428 Cl7 C2 Cl8 109.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.596      
2 C -0.520      
3 H -0.090      
4 H -0.090      
5 H -0.090      
6 Cl 0.065      
7 Cl 0.065      
8 Cl 0.065      


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 1.851 1.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.833 0.000 0.000
y 0.000 -59.833 0.000
z 0.000 0.000 -56.449
Traceless
 xyz
x -1.692 0.000 0.000
y 0.000 -1.692 0.000
z 0.000 0.000 3.384
Polar
3z2-r26.767
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 11.085 0.000 0.000
y 0.000 11.085 0.000
z 0.000 0.000 10.161


<r2> (average value of r2) Å2
<r2> 275.786
(<r2>)1/2 16.607