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 CH3CHFCl (Ethane, 1-chloro-1-fluoro-)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-638.263505
Energy at 298.15K-638.268300
Nuclear repulsion energy164.796246
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/6-31G(2df,p)
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 3100 3068 5.88      
2 A 3079 3048 7.76      
3 A 3013 2982 18.30      
4 A 2993 2962 5.40      
5 A 1434 1420 1.66      
6 A 1429 1414 4.03      
7 A 1359 1345 26.93      
8 A 1332 1318 4.13      
9 A 1247 1234 42.27      
10 A 1122 1111 118.79      
11 A 1095 1084 21.21      
12 A 997 987 21.69      
13 A 889 880 39.06      
14 A 647 640 67.95      
15 A 458 453 8.32      
16 A 361 357 1.71      
17 A 310 306 1.78      
18 A 241 239 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 12552.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 12423.6 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 PBEPBE/6-31G(2df,p)
ABC
0.29850 0.15167 0.10884

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.423 0.113 0.386
C2 1.259 -1.046 -0.111
H3 0.423 0.217 1.483
F4 0.849 1.283 -0.167
Cl5 -1.327 -0.128 -0.055
H6 1.180 -1.125 -1.205
H7 2.312 -0.871 0.163
H8 0.920 -1.987 0.344

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.51261.10221.36291.82122.15362.14152.1580
C21.51262.19892.36522.74501.09961.10211.0990
H31.10222.19892.01052.35613.09882.54842.5300
F41.36292.36522.01052.59622.64332.62493.3103
Cl51.82122.74502.35612.59622.93333.72102.9441
H62.15361.09963.09882.64332.93331.79401.7917
H72.14151.10212.54842.62493.72101.79401.7928
H82.15801.09902.53003.31032.94411.79171.7928

picture of Ethane, 1-chloro-1-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.051 C1 C2 H7 108.963
C1 C2 H8 110.435 C2 C1 H3 113.555
C2 C1 F4 110.569 C2 C1 Cl5 110.509
H3 C1 F4 108.836 H3 C1 Cl5 104.717
F4 C1 Cl5 108.391 H6 C2 H7 109.137
H6 C2 H8 109.158 H7 C2 H8 109.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 C -0.431      
3 H 0.141      
4 F -0.082      
5 Cl -0.174      
6 H 0.163      
7 H 0.150      
8 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.652 -1.130 0.812 2.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.398 -1.387 0.568
y -1.387 -30.971 0.443
z 0.568 0.443 -29.104
Traceless
 xyz
x -0.361 -1.387 0.568
y -1.387 -1.220 0.443
z 0.568 0.443 1.580
Polar
3z2-r23.160
x2-y20.573
xy-1.387
xz0.568
yz0.443


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.761 -0.061 0.216
y -0.061 4.872 0.065
z 0.216 0.065 4.612


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000