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 CH2ClCCl3 (1,1,1,2-tetrachloroethane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-137.149177
Energy at 298.15K 
HF Energy-137.149177
Nuclear repulsion energy157.868870
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/LANL2DZ
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' 3146 3023 3.82 124.56 0.05 0.09
2 A' 1476 1419 9.31 7.45 0.75 0.86
3 A' 1330 1279 4.00 8.58 0.50 0.67
4 A' 1090 1047 18.32 17.53 0.19 0.32
5 A' 752 723 41.09 36.46 0.39 0.56
6 A' 682 656 141.89 0.81 0.07 0.14
7 A' 510 490 32.75 14.42 0.12 0.21
8 A' 351 337 2.72 17.96 0.19 0.32
9 A' 292 280 1.45 9.14 0.74 0.85
10 A' 226 217 0.11 7.02 0.68 0.81
11 A' 143 138 1.11 1.20 0.66 0.80
12 A" 3231 3105 0.09 60.83 0.75 0.86
13 A" 1237 1189 21.73 6.04 0.75 0.86
14 A" 980 942 54.96 2.60 0.75 0.86
15 A" 663 637 114.34 8.79 0.75 0.86
16 A" 327 314 2.02 5.79 0.75 0.86
17 A" 231 222 1.35 4.17 0.75 0.86
18 A" 102 98 1.89 2.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8383.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8058.6 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/LANL2DZ
ABC
0.05748 0.03399 0.03207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.254 0.287 0.000
C2 -1.271 0.390 0.000
Cl3 -2.121 -1.269 0.000
Cl4 0.889 2.053 0.000
Cl5 0.889 -0.565 1.512
Cl6 0.889 -0.565 -1.512
H7 -1.607 0.908 0.899
H8 -1.607 0.908 -0.899

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 H7 H8
C11.52822.83881.87691.84801.84802.15752.1575
C21.52821.86382.72632.80422.80421.09051.0905
Cl32.83881.86384.48283.44123.44122.41052.4105
Cl41.87692.72634.48283.02293.02292.88962.8896
Cl51.84802.80423.44123.02293.02372.96223.7697
Cl61.84802.80423.44123.02293.02373.76972.9622
H72.15751.09052.41052.88962.96223.76971.7978
H82.15751.09052.41052.88963.76972.96221.7978

picture of 1,1,1,2-tetrachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 113.263 C1 C2 H7 109.829
C1 C2 H8 109.829 C2 C1 Cl4 105.934
C2 C1 Cl5 111.974 C2 C1 Cl6 111.974
Cl3 C2 H7 106.402 Cl3 C2 H8 106.402
Cl4 C1 Cl5 108.491 Cl4 C1 Cl6 108.491
Cl5 C1 Cl6 109.793 H7 C2 H8 111.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.376      
2 C -0.407      
3 Cl -0.019      
4 Cl 0.058      
5 Cl 0.080      
6 Cl 0.080      
7 H 0.292      
8 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.039 1.619 0.000 1.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.457 -3.852 0.000
y -3.852 -60.804 0.000
z 0.000 0.000 -59.521
Traceless
 xyz
x -1.295 -3.852 0.000
y -3.852 -0.315 0.000
z 0.000 0.000 1.610
Polar
3z2-r23.219
x2-y2-0.653
xy-3.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.420 1.533 0.000
y 1.533 9.597 0.000
z 0.000 0.000 7.568


<r2> (average value of r2) Å2
<r2> 183.085
(<r2>)1/2 13.531