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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1458.702328
Energy at 298.15K-1458.706023
Nuclear repulsion energy357.819220
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/6-311G*
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 3064 2961 3.10      
2 A1 1436 1388 9.41      
3 A1 1075 1039 20.14      
4 A1 516 499 12.29      
5 A1 345 333 0.73      
6 A2 317 306 0.00      
7 E 3145 3039 4.88      
7 E 3145 3039 4.88      
8 E 1495 1444 3.17      
8 E 1495 1444 3.17      
9 E 1114 1076 64.05      
9 E 1114 1076 64.05      
10 E 680 657 151.78      
10 E 680 657 151.77      
11 E 346 334 3.02      
11 E 346 334 3.02      
12 E 242 234 0.03      
12 E 242 234 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10396.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 10046.4 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/6-311G*
ABC
0.07730 0.07730 0.05527

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.769
C2 0.000 0.000 0.254
H3 0.000 -1.026 2.137
H4 0.889 0.513 2.137
H5 -0.889 0.513 2.137
Cl6 0.000 1.696 -0.364
Cl7 -1.469 -0.848 -0.364
Cl8 1.469 -0.848 -0.364

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 Cl6 Cl7 Cl8
C11.51501.09041.09041.09042.72472.72472.7247
C21.51502.14472.14472.14471.80511.80511.8051
H31.09042.14471.77761.77763.69662.90562.9056
H41.09042.14471.77761.77762.90563.69662.9056
H51.09042.14471.77761.77762.90562.90563.6966
Cl62.72471.80513.69662.90562.90562.93802.9380
Cl72.72471.80512.90563.69662.90562.93802.9380
Cl82.72471.80512.90562.90563.69662.93802.9380

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 109.997 C1 C2 Cl7 109.997
C1 C2 Cl8 109.997 C2 C1 H3 109.738
C2 C1 H4 109.738 C2 C1 H5 109.738
H3 C1 H4 109.204 H3 C1 H5 109.204
H4 C1 H5 109.204 Cl6 C2 Cl7 108.941
Cl6 C2 Cl8 108.941 Cl7 C2 Cl8 108.941
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546     -0.528
2 C -0.333     -0.242
3 H 0.255     0.226
4 H 0.255     0.229
5 H 0.255     0.229
6 Cl 0.038     0.029
7 Cl 0.038     0.029
8 Cl 0.038     0.029


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 2.058 2.058
CHELPG        
AIM        
ESP -0.003 0.012 2.082 2.082


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.028 0.000 0.000
y 0.000 -52.028 0.000
z 0.000 0.000 -48.650
Traceless
 xyz
x -1.689 0.000 0.000
y 0.000 -1.689 0.000
z 0.000 0.000 3.378
Polar
3z2-r26.757
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 8.733 0.000 0.000
y 0.000 8.733 0.000
z 0.000 0.000 6.885


<r2> (average value of r2) Å2
<r2> 221.290
(<r2>)1/2 14.876