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All results from a given calculation for CH3CCl3 (Ethane, 1,1,1-trichloro-)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-56.768393
Energy at 298.15K-56.772382
Nuclear repulsion energy93.793717
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 HF/CEP-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 3259 2927 16.05      
2 A1 1552 1394 0.38      
3 A1 1176 1056 12.89      
4 A1 563 505 13.50      
5 A1 371 333 2.31      
6 A2 325 292 0.00      
7 E 3351 3010 18.86      
7 E 3351 3010 18.86      
8 E 1611 1446 1.84      
8 E 1611 1446 1.84      
9 E 1210 1087 75.71      
9 E 1210 1087 75.71      
10 E 831 746 139.10      
10 E 831 746 139.10      
11 E 365 328 0.58      
11 E 365 328 0.58      
12 E 260 233 0.35      
12 E 260 233 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11250.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 10103.1 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 HF/CEP-31G*
ABC
0.07815 0.07815 0.05630

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.565
C2 0.000 0.000 0.030
H3 0.000 -1.027 1.923
H4 0.889 0.514 1.923
H5 -0.889 0.514 1.923
Cl6 0.000 1.680 -0.578
Cl7 -1.455 -0.840 -0.578
Cl8 1.455 -0.840 -0.578

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.53531.08761.08761.08762.72362.72362.7236
C21.53532.15372.15372.15371.78711.78711.7871
H31.08762.15371.77891.77893.68602.89982.8998
H41.08762.15371.77891.77892.89983.68602.8998
H51.08762.15371.77891.77892.89982.89983.6860
Cl62.72361.78713.68602.89982.89982.91062.9106
Cl72.72361.78712.89983.68602.89982.91062.9106
Cl82.72361.78712.89982.89983.68602.91062.9106

picture of Ethane, 1,1,1-trichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.895 C1 C2 Cl7 109.895
C1 C2 Cl8 109.895 C2 C1 H3 109.207
C2 C1 H4 109.207 C2 C1 H5 109.207
H3 C1 H4 109.734 H3 C1 H5 109.734
H4 C1 H5 109.734 Cl6 C2 Cl7 109.045
Cl6 C2 Cl8 109.045 Cl7 C2 Cl8 109.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.047      
3 H 0.154      
4 H 0.154      
5 H 0.154      
6 Cl -0.058      
7 Cl -0.058      
8 Cl -0.058      


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 2.142 2.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.434 0.000 0.000
y 0.000 -49.434 0.000
z 0.000 0.000 -47.023
Traceless
 xyz
x -1.205 0.000 0.000
y 0.000 -1.205 0.000
z 0.000 0.000 2.410
Polar
3z2-r24.821
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 7.773 0.000 0.000
y 0.000 7.773 0.000
z 0.000 0.000 5.956


<r2> (average value of r2) Å2
<r2> 120.757
(<r2>)1/2 10.989