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: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-998.734495
Energy at 298.15K-998.739213
HF Energy-998.734495
Nuclear repulsion energy209.354600
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 HSEh1PBE/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' 3166 3043 6.54      
2 A' 3146 3024 0.23      
3 A' 3062 2943 5.69      
4 A' 1474 1417 9.02      
5 A' 1408 1353 11.58      
6 A' 1308 1257 11.09      
7 A' 1112 1069 5.00      
8 A' 997 958 14.92      
9 A' 660 634 11.79      
10 A' 407 391 4.15      
11 A' 275 264 1.04      
12 A" 3143 3021 7.14      
13 A" 1479 1422 1.64      
14 A" 1254 1205 32.46      
15 A" 1073 1031 41.61      
16 A" 706 678 109.40      
17 A" 318 306 1.00      
18 A" 266 255 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 12626.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 12135.3 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 HSEh1PBE/cc-pVTZ
ABC
0.21619 0.10659 0.07566

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.210 0.499 0.000
C2 -0.966 1.436 0.000
H3 1.161 1.021 0.000
Cl4 0.210 -0.519 1.464
Cl5 0.210 -0.519 -1.464
H6 -1.899 0.875 0.000
H7 -0.931 2.067 0.889
H8 -0.931 2.067 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 Cl4 Cl5 H6 H7 H8
C11.50331.08511.78331.78332.14202.13302.1330
C21.50332.16732.71092.71091.08901.09041.0904
H31.08512.16732.32812.32813.06382.50262.5026
Cl41.78332.71092.32812.92802.92132.88483.6777
Cl51.78332.71092.32812.92802.92133.67772.8848
H62.14201.08903.06382.92132.92131.77421.7742
H72.13301.09042.50262.88483.67771.77421.7772
H82.13301.09042.50263.67772.88481.77421.7772

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 110.419 C1 C2 H7 109.622
C1 C2 H8 109.622 C2 C1 H3 112.716
C2 C1 Cl4 110.851 C2 C1 Cl5 110.851
H3 C1 Cl4 105.929 H3 C1 Cl5 105.929
Cl4 C1 Cl5 110.355 H6 C2 H7 108.994
H6 C2 H8 108.994 H7 C2 H8 109.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 C -0.255      
3 H 0.148      
4 Cl -0.118      
5 Cl -0.118      
6 H 0.123      
7 H 0.114      
8 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.285 2.082 0.000 2.102
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.340 0.080 0.000
y 0.080 -36.476 0.000
z 0.000 0.000 -40.343
Traceless
 xyz
x 1.070 0.080 0.000
y 0.080 2.365 0.000
z 0.000 0.000 -3.435
Polar
3z2-r2-6.870
x2-y2-0.864
xy0.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.814 -0.614 0.000
y -0.614 6.987 0.000
z 0.000 0.000 8.572


<r2> (average value of r2) Å2
<r2> 145.654
(<r2>)1/2 12.069