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

using model chemistry: HF/CEP-121G

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-121G
 hartrees
Energy at 0K-56.671980
Energy at 298.15K-56.675859
Nuclear repulsion energy91.952704
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-121G
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 3189 2910 6.65      
2 A1 1570 1432 6.96      
3 A1 1170 1067 14.72      
4 A1 524 478 19.16      
5 A1 352 321 4.15      
6 A2 302 276 0.00      
7 E 3301 3012 6.77      
7 E 3301 3012 6.77      
8 E 1610 1469 4.93      
8 E 1610 1469 4.93      
9 E 1222 1115 74.37      
9 E 1222 1115 74.37      
10 E 754 688 141.26      
10 E 754 688 141.26      
11 E 358 326 0.29      
11 E 358 326 0.29      
12 E 250 228 0.73      
12 E 250 228 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 11048.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 10081.8 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-121G
ABC
0.07465 0.07465 0.05322

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.577
C2 0.000 0.000 0.049
H3 0.000 -1.019 1.939
H4 0.883 0.510 1.939
H5 -0.883 0.510 1.939
Cl6 0.000 1.729 -0.587
Cl7 -1.497 -0.865 -0.587
Cl8 1.497 -0.865 -0.587

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.52741.08201.08201.08202.76972.76972.7697
C21.52742.14742.14742.14741.84241.84241.8424
H31.08202.14741.76581.76583.73312.94082.9408
H41.08202.14741.76581.76582.94083.73312.9408
H51.08202.14741.76581.76582.94082.94083.7331
Cl62.76971.84243.73312.94082.94082.99482.9948
Cl72.76971.84242.94083.73312.94082.99482.9948
Cl82.76971.84242.94082.94083.73312.99482.9948

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 110.202 C1 C2 Cl7 110.202
C1 C2 Cl8 110.202 C2 C1 H3 109.578
C2 C1 H4 109.578 C2 C1 H5 109.578
H3 C1 H4 109.364 H3 C1 H5 109.364
H4 C1 H5 109.365 Cl6 C2 Cl7 108.731
Cl6 C2 Cl8 108.731 Cl7 C2 Cl8 108.731
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 C -0.539      
3 H 0.198      
4 H 0.198      
5 H 0.198      
6 Cl 0.094      
7 Cl 0.094      
8 Cl 0.094      


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 2.639 2.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.432 0.000 0.000
y 0.000 -51.432 0.000
z 0.000 0.000 -47.322
Traceless
 xyz
x -2.055 0.000 0.000
y 0.000 -2.055 0.000
z 0.000 0.000 4.110
Polar
3z2-r28.219
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 8.380 0.000 0.000
y 0.000 8.380 0.000
z 0.000 0.000 5.921


<r2> (average value of r2) Å2
<r2> 125.640
(<r2>)1/2 11.209