return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/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 B3LYP/CEP-121G
 hartrees
Energy at 0K-57.811491
Energy at 298.15K-57.815008
Nuclear repulsion energy90.560851
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 B3LYP/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 3024 2947 3.41      
2 A1 1442 1406 11.86      
3 A1 1078 1050 28.13      
4 A1 478 466 17.63      
5 A1 318 310 2.35      
6 A2 291 284 0.00      
7 E 3129 3049 5.65      
7 E 3129 3049 5.65      
8 E 1491 1453 4.69      
8 E 1491 1453 4.70      
9 E 1115 1086 68.98      
9 E 1115 1086 68.98      
10 E 647 630 150.97      
10 E 647 630 150.95      
11 E 329 320 1.49      
11 E 329 320 1.49      
12 E 223 218 0.31      
12 E 223 218 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 10249.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 9988.2 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 B3LYP/CEP-121G
ABC
0.07228 0.07228 0.05123

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.589
C2 0.000 0.000 0.058
H3 0.000 -1.031 1.956
H4 0.893 0.516 1.956
H5 -0.893 0.516 1.956
Cl6 0.000 1.762 -0.593
Cl7 -1.526 -0.881 -0.593
Cl8 1.526 -0.881 -0.593

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.53081.09441.09441.09442.80492.80492.8049
C21.53082.15972.15972.15971.87891.87891.8789
H31.09442.15971.78581.78583.78162.97472.9747
H41.09442.15971.78581.78582.97473.78162.9747
H51.09442.15971.78581.78582.97472.97473.7816
Cl62.80491.87893.78162.97472.97473.05273.0527
Cl72.80491.87892.97473.78162.97473.05273.0527
Cl82.80491.87892.97472.97473.78163.05273.0527

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 110.278 C1 C2 Cl7 110.278
C1 C2 Cl8 110.278 C2 C1 H3 109.591
C2 C1 H4 109.591 C2 C1 H5 109.591
H3 C1 H4 109.352 H3 C1 H5 109.352
H4 C1 H5 109.352 Cl6 C2 Cl7 108.653
Cl6 C2 Cl8 108.653 Cl7 C2 Cl8 108.653
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.358      
2 C -0.609      
3 H 0.199      
4 H 0.199      
5 H 0.199      
6 Cl 0.124      
7 Cl 0.124      
8 Cl 0.124      


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 2.402 2.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.336 0.000 0.000
y 0.000 -50.336 0.000
z 0.000 0.000 -46.861
Traceless
 xyz
x -1.737 0.000 0.000
y 0.000 -1.737 0.000
z 0.000 0.000 3.475
Polar
3z2-r26.950
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 9.033 0.000 0.000
y 0.000 9.034 0.000
z 0.000 0.000 6.640


<r2> (average value of r2) Å2
<r2> 128.110
(<r2>)1/2 11.319