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 CH3CHCl2 (Ethane, 1,1-dichloro-)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-998.596093
Energy at 298.15K-998.600672
HF Energy-998.596093
Nuclear repulsion energy207.731965
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 PBEPBE/Def2TZVPP
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' 3080 3042 6.73      
2 A' 3056 3019 0.22      
3 A' 2984 2948 6.11      
4 A' 1427 1410 9.12      
5 A' 1358 1342 11.04      
6 A' 1258 1243 11.55      
7 A' 1070 1058 6.47      
8 A' 960 948 15.43      
9 A' 629 622 11.61      
10 A' 393 388 4.36      
11 A' 263 260 0.85      
12 A" 3061 3024 7.30      
13 A" 1433 1415 1.53      
14 A" 1201 1186 29.58      
15 A" 1032 1019 37.30      
16 A" 649 641 116.68      
17 A" 309 305 1.30      
18 A" 258 255 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 12209.9 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 12062.2 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 PBEPBE/Def2TZVPP
ABC
0.21341 0.10474 0.07444

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.210 0.497 0.000
C2 -0.968 1.449 0.000
H3 1.170 1.022 0.000
Cl4 0.210 -0.522 1.476
Cl5 0.210 -0.522 -1.476
H6 -1.912 0.890 0.000
H7 -0.929 2.085 0.894
H8 -0.929 2.085 -0.894

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.51531.09411.79331.79332.15812.14942.1494
C21.51532.18002.73002.73001.09641.09781.0978
H31.09412.18002.34192.34193.08412.51652.5165
Cl41.79332.73002.34192.95162.94552.90373.7029
Cl51.79332.73002.34192.95162.94553.70292.9037
H62.15811.09643.08412.94552.94551.78631.7863
H72.14941.09782.51652.90373.70291.78631.7889
H82.14941.09782.51653.70292.90371.78631.7889

picture of Ethane, 1,1-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.412 C1 C2 H7 109.644
C1 C2 H8 109.644 C2 C1 H3 112.315
C2 C1 Cl4 110.925 C2 C1 Cl5 110.925
H3 C1 Cl4 105.848 H3 C1 Cl5 105.848
Cl4 C1 Cl5 110.765 H6 C2 H7 108.996
H6 C2 H8 108.996 H7 C2 H8 109.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.034      
2 C -0.226      
3 H 0.135      
4 Cl -0.118      
5 Cl -0.118      
6 H 0.102      
7 H 0.095      
8 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.294 1.995 0.000 2.017
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.520 0.058 0.000
y 0.058 -36.607 0.000
z 0.000 0.000 -40.305
Traceless
 xyz
x 0.936 0.058 0.000
y 0.058 2.305 0.000
z 0.000 0.000 -3.241
Polar
3z2-r2-6.482
x2-y2-0.913
xy0.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.244 -0.628 0.000
y -0.628 7.430 0.000
z 0.000 0.000 9.060


<r2> (average value of r2) Å2
<r2> 147.664
(<r2>)1/2 12.152