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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-1701.509455
Energy at 298.15K-1701.512421
HF Energy-1701.509455
Nuclear repulsion energy416.091575
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 BLYP/3-21G
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 2169 2157 38.72      
2 A1 875 870 194.44      
3 A1 827 822 39.10      
4 A1 363 361 14.49      
5 A1 253 252 8.49      
6 A2 203 202 0.00      
7 E 2200 2188 72.31      
7 E 2200 2188 72.32      
8 E 900 895 47.53      
8 E 900 895 47.52      
9 E 664 661 22.90      
9 E 664 661 22.88      
10 E 554 551 133.12      
10 E 554 551 133.08      
11 E 238 237 0.02      
11 E 238 237 0.02      
12 E 157 156 0.00      
12 E 157 156 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7058.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7019.6 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 BLYP/3-21G
ABC
0.04960 0.04960 0.04954

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.943
C2 0.000 0.000 -0.006
H3 0.000 -1.431 2.384
H4 1.240 0.716 2.384
H5 -1.240 0.716 2.384
Cl6 0.000 1.785 -0.673
Cl7 1.546 -0.892 -0.673
Cl8 -1.546 -0.892 -0.673

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.94921.49771.49771.49773.16673.16673.1667
C21.94922.78572.78572.78571.90511.90511.9051
H31.49772.78572.47932.47934.43693.46733.4673
H41.49772.78572.47932.47933.46733.46734.4369
H51.49772.78572.47932.47933.46734.43693.4673
Cl63.16671.90514.43693.46733.46733.09103.0910
Cl73.16671.90513.46733.46734.43693.09103.0910
Cl83.16671.90513.46734.43693.46733.09103.0910

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 110.488 Si1 C2 Cl7 110.488
Si1 C2 Cl8 110.488 C2 Si1 H3 107.111
C2 Si1 H4 107.111 C2 Si1 H5 107.111
H3 Si1 H4 111.725 H3 Si1 H5 111.725
H4 Si1 H5 111.725 Cl6 C2 Cl7 108.435
Cl6 C2 Cl8 108.435 Cl7 C2 Cl8 108.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.682      
2 C -0.749      
3 H -0.065      
4 H -0.065      
5 H -0.065      
6 Cl 0.087      
7 Cl 0.087      
8 Cl 0.087      


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 2.414 2.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.787 0.000 0.000
y 0.000 -60.787 0.000
z 0.000 0.000 -55.981
Traceless
 xyz
x -2.403 0.000 0.000
y 0.000 -2.403 0.000
z 0.000 0.000 4.806
Polar
3z2-r29.611
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 9.930 0.000 0.000
y 0.000 9.930 0.000
z 0.000 0.000 8.163


<r2> (average value of r2) Å2
<r2> 298.537
(<r2>)1/2 17.278