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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-1705.321459
Energy at 298.15K-1705.324527
HF Energy-1705.321459
Nuclear repulsion energy427.279370
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/6-31G
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 2145 2101 38.12      
2 A1 867 849 6.41      
3 A1 816 799 149.29      
4 A1 406 398 9.07      
5 A1 277 271 8.93      
6 A2 173 170 0.00      
7 E 2189 2144 71.86      
7 E 2189 2144 71.86      
8 E 863 845 39.06      
8 E 863 845 39.06      
9 E 691 677 73.89      
9 E 691 677 73.87      
10 E 560 549 78.15      
10 E 560 549 78.16      
11 E 261 255 0.12      
11 E 261 255 0.12      
12 E 163 159 0.00      
12 E 163 159 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7067.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 6923.6 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 LSDA/6-31G
ABC
0.05239 0.05239 0.05234

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.892
C2 0.000 0.000 -0.029
H3 0.000 -1.441 2.329
H4 1.248 0.720 2.329
H5 -1.248 0.720 2.329
Cl6 0.000 1.735 -0.653
Cl7 1.503 -0.868 -0.653
Cl8 -1.503 -0.868 -0.653

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.92111.50561.50561.50563.08003.08003.0800
C21.92112.76372.76372.76371.84371.84371.8437
H31.50562.76372.49542.49544.35643.38823.3882
H41.50562.76372.49542.49543.38823.38824.3564
H51.50562.76372.49542.49543.38824.35643.3882
Cl63.08001.84374.35643.38823.38823.00523.0052
Cl73.08001.84373.38823.38824.35643.00523.0052
Cl83.08001.84373.38824.35643.38823.00523.0052

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 109.771 Si1 C2 Cl7 109.771
Si1 C2 Cl8 109.771 C2 Si1 H3 106.888
C2 Si1 H4 106.888 C2 Si1 H5 106.888
H3 Si1 H4 111.927 H3 Si1 H5 111.927
H4 Si1 H5 111.926 Cl6 C2 Cl7 109.169
Cl6 C2 Cl8 109.169 Cl7 C2 Cl8 109.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.422      
2 C -0.765      
3 H -0.020      
4 H -0.020      
5 H -0.020      
6 Cl 0.135      
7 Cl 0.135      
8 Cl 0.135      


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 2.109 2.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.921 0.000 0.000
y 0.000 -59.921 0.000
z 0.000 0.000 -55.768
Traceless
 xyz
x -2.077 0.000 0.000
y 0.000 -2.077 0.000
z 0.000 0.000 4.153
Polar
3z2-r28.307
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 9.929 0.000 0.000
y 0.000 9.929 0.000
z 0.000 0.000 8.402


<r2> (average value of r2) Å2
<r2> 284.445
(<r2>)1/2 16.865