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

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-54.877540
Energy at 298.15K-54.881017
HF Energy-54.877540
Nuclear repulsion energy84.643906
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 HF/CEP-31G
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 2279 2054 48.34      
2 A1 940 848 298.56      
3 A1 899 810 4.51      
4 A1 421 380 14.00      
5 A1 290 261 15.39      
6 A2 166 150 0.00      
7 E 2312 2084 128.96      
7 E 2312 2084 128.96      
8 E 973 877 84.43      
8 E 973 877 84.43      
9 E 799 720 52.15      
9 E 799 720 52.15      
10 E 638 575 89.63      
10 E 638 575 89.63      
11 E 285 257 0.39      
11 E 285 257 0.39      
12 E 182 164 0.00      
12 E 182 164 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7686.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 6928.6 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 HF/CEP-31G
ABC
0.05227 0.05126 0.05126

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.935
C2 0.000 0.000 -0.030
H3 0.000 -1.427 2.357
H4 1.236 0.714 2.357
H5 -1.236 0.714 2.357
Cl6 0.000 1.736 -0.666
Cl7 1.504 -0.868 -0.666
Cl8 -1.504 -0.868 -0.666

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.96471.48831.48831.48833.12773.12773.1277
C21.96472.78112.78112.78111.84951.84951.8495
H31.48832.78112.47182.47184.37623.42303.4230
H41.48832.78112.47182.47183.42303.42304.3762
H51.48832.78112.47182.47183.42304.37623.4230
Cl63.12771.84954.37623.42303.42303.00763.0076
Cl73.12771.84953.42303.42304.37623.00763.0076
Cl83.12771.84953.42304.37623.42303.00763.0076

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 110.136 Si1 C2 Cl7 110.136
Si1 C2 Cl8 110.136 C2 Si1 H3 106.488
C2 Si1 H4 106.488 C2 Si1 H5 106.488
H3 Si1 H4 112.282 H3 Si1 H5 112.282
H4 Si1 H5 112.283 Cl6 C2 Cl7 108.799
Cl6 C2 Cl8 108.799 Cl7 C2 Cl8 108.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.727      
2 C -0.512      
3 H -0.102      
4 H -0.102      
5 H -0.102      
6 Cl 0.031      
7 Cl 0.031      
8 Cl 0.031      


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 3.079 3.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.078 0.000 0.000
y 0.000 -59.078 0.000
z 0.000 0.000 -53.297
Traceless
 xyz
x -2.891 0.000 0.000
y 0.000 -2.891 0.000
z 0.000 0.000 5.781
Polar
3z2-r211.562
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 9.240 0.000 0.000
y 0.000 9.240 0.000
z 0.000 0.000 6.654


<r2> (average value of r2) Å2
<r2> 146.104
(<r2>)1/2 12.087