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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-1705.600459
Energy at 298.15K-1705.603635
HF Energy-1705.600459
Nuclear repulsion energy441.723408
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 LSDA/cc-pVTZ
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 2177 2153 33.60      
2 A1 897 888 32.34      
3 A1 831 822 152.93      
4 A1 436 431 6.22      
5 A1 275 272 7.75      
6 A2 184 182 0.00      
7 E 2207 2183 50.52      
7 E 2207 2183 50.54      
8 E 881 871 43.49      
8 E 881 871 43.50      
9 E 731 723 59.66      
9 E 731 723 59.66      
10 E 577 571 49.18      
10 E 577 571 49.17      
11 E 261 258 0.02      
11 E 261 258 0.02      
12 E 146 145 0.06      
12 E 146 145 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7203.7 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 7125.1 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 LSDA/cc-pVTZ
ABC
0.05633 0.05587 0.05587

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.841
C2 0.000 0.000 -0.055
H3 0.000 -1.425 2.280
H4 1.234 0.712 2.280
H5 -1.234 0.712 2.280
Cl6 0.000 1.672 -0.633
Cl7 1.448 -0.836 -0.633
Cl8 -1.448 -0.836 -0.633

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.89581.49081.49081.49082.98572.98572.9857
C21.89582.73542.73542.73541.76871.76871.7687
H31.49082.73542.46742.46744.25123.30603.3060
H41.49082.73542.46742.46743.30603.30604.2512
H51.49082.73542.46742.46743.30604.25123.3060
Cl62.98571.76874.25123.30603.30602.89522.8952
Cl72.98571.76873.30603.30604.25122.89522.8952
Cl82.98571.76873.30604.25123.30602.89522.8952

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 109.078 Si1 C2 Cl7 109.078
Si1 C2 Cl8 109.078 C2 Si1 H3 107.140
C2 Si1 H4 107.140 C2 Si1 H5 107.140
H3 Si1 H4 111.698 H3 Si1 H5 111.698
H4 Si1 H5 111.698 Cl6 C2 Cl7 109.861
Cl6 C2 Cl8 109.861 Cl7 C2 Cl8 109.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.051      
2 C -0.198      
3 H 0.052      
4 H 0.052      
5 H 0.052      
6 Cl -0.003      
7 Cl -0.003      
8 Cl -0.003      


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 1.262 1.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -58.396 0.000 0.000
y 0.000 -58.396 0.000
z 0.000 0.000 -56.213
Traceless
 xyz
x -1.091 0.000 0.000
y 0.000 -1.091 0.000
z 0.000 0.000 2.183
Polar
3z2-r24.365
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 11.559 0.000 0.000
y 0.000 11.559 -0.000
z 0.000 -0.000 11.086


<r2> (average value of r2) Å2
<r2> 268.103
(<r2>)1/2 16.374