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 CH2ClCHCl2 (1,1,2-trichloroethane)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-1451.797607
Energy at 298.15K-1451.801509
HF Energy-1451.797607
Nuclear repulsion energy339.314475
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 M06-2X/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3191 3023 1.26      
2 A 3168 3001 1.09      
3 A 3118 2953 1.95      
4 A 1524 1444 12.55      
5 A 1376 1304 4.66      
6 A 1337 1266 10.14      
7 A 1273 1205 17.18      
8 A 1230 1165 2.40      
9 A 1052 996 1.65      
10 A 961 910 25.58      
11 A 801 759 12.94      
12 A 757 717 118.52      
13 A 664 629 31.55      
14 A 395 374 7.25      
15 A 341 323 0.65      
16 A 259 245 1.39      
17 A 183 174 4.18      
18 A 109 103 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 10868.4 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 10294.5 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 M06-2X/3-21G*
ABC
0.11820 0.04855 0.03562

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.648 -0.873 0.384
C2 -0.419 -0.088 -0.380
Cl3 2.288 -0.317 -0.086
H4 0.524 -0.724 1.457
H5 0.567 -1.931 0.133
Cl6 -2.018 -0.818 -0.007
Cl7 -0.400 1.639 0.084
H8 -0.266 -0.147 -1.455

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.52901.79491.09011.09032.69532.73842.1782
C21.52902.73282.16022.15181.79681.78851.0875
Cl31.79492.73282.37962.36964.33633.32882.9032
H41.09012.16022.37961.79202.93492.88523.0718
H51.09032.15182.36961.79202.81813.69892.5289
Cl62.69531.79684.33632.93492.81812.94382.3692
Cl72.73841.78853.32882.88523.69892.94382.3615
H82.17821.08752.90323.07182.52892.36922.3615

picture of 1,1,2-trichloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 108.002 C1 C2 Cl7 111.022
C1 C2 H8 111.597 C2 C1 Cl3 110.351
C2 C1 H4 109.999 C2 C1 H5 109.331
Cl3 C1 H4 108.665 Cl3 C1 H5 107.928
H4 C1 H5 110.541 Cl6 C2 Cl7 110.383
Cl6 C2 H8 107.907 Cl7 C2 H8 107.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.483      
2 C -0.447      
3 Cl -0.017      
4 H 0.287      
5 H 0.283      
6 Cl 0.023      
7 Cl 0.038      
8 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.079 -1.492 -0.199 1.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.247 -0.127 0.429
y -0.127 -50.397 -0.385
z 0.429 -0.385 -48.791
Traceless
 xyz
x -6.653 -0.127 0.429
y -0.127 2.122 -0.385
z 0.429 -0.385 4.531
Polar
3z2-r29.061
x2-y2-5.850
xy-0.127
xz0.429
yz-0.385


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.112 1.055 -0.478
y 1.055 7.354 0.082
z -0.478 0.082 4.804


<r2> (average value of r2) Å2
<r2> 271.486
(<r2>)1/2 16.477