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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-1709.240256
Energy at 298.15K-1709.243384
HF Energy-1709.240256
Nuclear repulsion energy432.389421
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 PBEPBEultrafine/aug-cc-pVDZ
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 2156 41.29      
2 A1 875 870 111.79      
3 A1 829 824 90.16      
4 A1 412 409 7.95      
5 A1 271 269 8.37      
6 A2 186 185 0.00      
7 E 2197 2183 60.98      
7 E 2197 2183 60.98      
8 E 895 890 41.98      
8 E 895 890 41.98      
9 E 698 694 54.41      
9 E 698 694 54.42      
10 E 573 569 69.08      
10 E 573 569 69.08      
11 E 259 258 0.21      
11 E 259 258 0.21      
12 E 150 149 0.05      
12 E 150 149 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 7143.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 7100.0 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.05425 0.05332 0.05332

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 1.893
C2 0.000 0.000 -0.046
H3 0.000 -1.434 2.336
H4 1.242 0.717 2.336
H5 -1.242 0.717 2.336
Cl6 0.000 1.704 -0.652
Cl7 1.476 -0.852 -0.652
Cl8 -1.476 -0.852 -0.652

Atom - Atom Distances (Å)
  Si1 C2 H3 H4 H5 Cl6 Cl7 Cl8
Si11.93921.50131.50131.50133.06223.06223.0622
C21.93922.78072.78072.78071.80811.80811.8081
H31.50132.78072.48462.48464.33283.38253.3825
H41.50132.78072.48462.48463.38253.38254.3328
H51.50132.78072.48462.48463.38254.33283.3825
Cl63.06221.80814.33283.38253.38252.95102.9510
Cl73.06221.80813.38253.38254.33282.95102.9510
Cl83.06221.80813.38254.33283.38252.95102.9510

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 109.557 Si1 C2 Cl7 109.557
Si1 C2 Cl8 109.557 C2 Si1 H3 107.159
C2 Si1 H4 107.159 C2 Si1 H5 107.159
H3 Si1 H4 111.681 H3 Si1 H5 111.681
H4 Si1 H5 111.681 Cl6 C2 Cl7 109.385
Cl6 C2 Cl8 109.385 Cl7 C2 Cl8 109.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si -0.628      
2 C -0.686      
3 H 0.375      
4 H 0.375      
5 H 0.375      
6 Cl 0.063      
7 Cl 0.063      
8 Cl 0.063      


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 1.516 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.003 0.000 0.000
y 0.000 -59.003 0.000
z 0.000 0.000 -56.419
Traceless
 xyz
x -1.292 0.000 0.000
y 0.000 -1.292 0.000
z 0.000 0.000 2.584
Polar
3z2-r25.169
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 13.076 0.000 0.000
y 0.000 13.076 0.000
z 0.000 0.000 12.871


<r2> (average value of r2) Å2
<r2> 278.729
(<r2>)1/2 16.695