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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1686.496537
Energy at 298.15K-1686.499547
HF Energy-1686.496537
Nuclear repulsion energy429.310310
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/STO-3G
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 2630 2355 0.19      
2 A1 1002 898 36.29      
3 A1 945 846 157.72      
4 A1 454 406 5.02      
5 A1 278 249 12.07      
6 A2 148 133 0.00      
7 E 2696 2415 1.02      
7 E 2696 2415 1.02      
8 E 1039 931 49.34      
8 E 1039 931 49.34      
9 E 863 773 70.31      
9 E 863 773 70.31      
10 E 664 594 59.74      
10 E 664 594 59.74      
11 E 256 230 0.63      
11 E 256 230 0.63      
12 E 155 138 0.18      
12 E 155 138 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 8400.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 7522.9 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 LSDA/STO-3G
ABC
0.05279 0.05279 0.05269

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.885
C2 0.000 0.000 -0.017
H3 0.000 -1.386 2.303
H4 1.200 0.693 2.303
H5 -1.200 0.693 2.303
Cl6 0.000 1.730 -0.651
Cl7 1.499 -0.865 -0.651
Cl8 -1.499 -0.865 -0.651

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.90201.44771.44771.44773.07003.07003.0700
C21.90202.70272.70272.70271.84281.84281.8428
H31.44772.70272.40062.40064.29413.35333.3533
H41.44772.70272.40062.40063.35333.35334.2941
H51.44772.70272.40062.40063.35334.29413.3533
Cl63.07001.84284.29413.35333.35332.99712.9971
Cl73.07001.84283.35333.35334.29412.99712.9971
Cl83.07001.84283.35334.29413.35332.99712.9971

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 110.121 Si1 C2 Cl7 110.121
Si1 C2 Cl8 110.121 C2 Si1 H3 106.795
C2 Si1 H4 106.795 C2 Si1 H5 106.795
H3 Si1 H4 112.009 H3 Si1 H5 112.009
H4 Si1 H5 112.009 Cl6 C2 Cl7 108.814
Cl6 C2 Cl8 108.814 Cl7 C2 Cl8 108.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.494      
2 C -0.062      
3 H -0.054      
4 H -0.054      
5 H -0.054      
6 Cl -0.090      
7 Cl -0.090      
8 Cl -0.090      


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 2.970 2.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.532 0.000 0.000
y 0.000 -55.532 0.000
z 0.000 0.000 -50.290
Traceless
 xyz
x -2.621 0.000 0.000
y 0.000 -2.621 0.000
z 0.000 0.000 5.242
Polar
3z2-r210.484
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 5.214 0.000 0.000
y 0.000 5.214 0.000
z 0.000 0.000 3.604


<r2> (average value of r2) Å2
<r2> 279.330
(<r2>)1/2 16.713