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: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-1458.676453
Energy at 298.15K-1458.680392
HF Energy-1458.676453
Nuclear repulsion energy340.135974
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 wB97X-D/aug-cc-pVTZ
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 3193 3054 0.21      
2 A 3174 3036 1.21      
3 A 3123 2987 5.03      
4 A 1489 1424 7.91      
5 A 1354 1295 3.78      
6 A 1295 1239 14.98      
7 A 1243 1189 20.54      
8 A 1192 1141 2.00      
9 A 1075 1029 3.23      
10 A 958 917 23.99      
11 A 804 769 16.06      
12 A 755 722 119.46      
13 A 685 656 27.40      
14 A 396 379 6.44      
15 A 337 323 1.07      
16 A 256 245 1.19      
17 A 185 177 4.08      
18 A 114 109 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 10813.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 10344.1 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 wB97X-D/aug-cc-pVTZ
ABC
0.11711 0.04880 0.03565

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.674 -0.817 0.406
C2 -0.415 -0.080 -0.348
Cl3 2.299 -0.299 -0.097
H4 0.566 -0.646 1.474
H5 0.582 -1.881 0.205
Cl6 -1.977 -0.869 -0.018
Cl7 -0.466 1.641 0.079
H8 -0.244 -0.140 -1.418

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 Cl6 Cl7 H8
C11.51571.77811.08681.08652.68492.72962.1514
C21.51572.73382.14502.13121.78081.77421.0850
Cl31.77812.73382.36442.35384.31403.38212.8699
H41.08682.14502.36441.77082.95652.87113.0454
H51.08652.13122.35381.77082.76063.67692.5192
Cl62.68491.78084.31402.95652.76062.93162.3436
Cl72.72961.77423.38212.87113.67692.93162.3369
H82.15141.08502.86993.04542.51922.34362.3369

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 108.807 C1 C2 Cl7 111.897
C1 C2 H8 110.539 C2 C1 Cl3 111.952
C2 C1 H4 109.927 C2 C1 H5 108.855
Cl3 C1 H4 108.838 Cl3 C1 H5 108.074
H4 C1 H5 109.139 Cl6 C2 Cl7 111.104
Cl6 C2 H8 107.223 Cl7 C2 H8 107.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 C 0.249      
3 Cl -0.252      
4 H 0.277      
5 H 0.277      
6 Cl -0.288      
7 Cl -0.258      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.067 -1.273 -0.109 1.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.047 -0.126 0.482
y -0.126 -49.905 -0.392
z 0.482 -0.392 -48.450
Traceless
 xyz
x -5.870 -0.126 0.482
y -0.126 1.843 -0.392
z 0.482 -0.392 4.026
Polar
3z2-r28.052
x2-y2-5.142
xy-0.126
xz0.482
yz-0.392


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.092 0.642 -0.217
y 0.642 10.357 -0.010
z -0.217 -0.010 8.138


<r2> (average value of r2) Å2
<r2> 270.729
(<r2>)1/2 16.454