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**

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**
 hartrees
Energy at 0K-638.253000
Energy at 298.15K-638.257829
Nuclear repulsion energy164.285559
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**
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 3108 3065 7.15      
2 A 3089 3046 8.25      
3 A 3027 2986 22.24      
4 A 3002 2961 4.97      
5 A 1451 1431 1.90      
6 A 1446 1426 4.50      
7 A 1379 1360 28.73      
8 A 1339 1321 8.97      
9 A 1267 1250 48.76      
10 A 1124 1108 122.27      
11 A 1104 1089 20.77      
12 A 1007 994 23.89      
13 A 895 882 44.13      
14 A 648 639 74.28      
15 A 461 454 10.44      
16 A 361 356 2.02      
17 A 313 309 1.93      
18 A 262 258 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 12640.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 12467.0 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**
ABC
0.29788 0.15033 0.10813

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.422 0.105 0.390
C2 1.258 -1.050 -0.112
H3 0.427 0.210 1.487
F4 0.862 1.283 -0.167
Cl5 -1.334 -0.123 -0.055
H6 1.184 -1.120 -1.207
H7 2.310 -0.875 0.166
H8 0.921 -1.997 0.333

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.51171.10251.37461.82522.15222.13922.1619
C21.51172.19902.36662.75251.09991.10221.0995
H31.10252.19902.01872.36433.09862.54312.5393
F41.37462.36662.01872.60982.63792.61993.3183
Cl51.82522.75252.36432.60982.94213.72672.9575
H62.15221.09993.09862.63792.94211.79311.7921
H72.13921.10222.54312.61993.72671.79311.7927
H82.16191.09952.53933.31832.95751.79211.7927

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 109.988 C1 C2 H7 108.843
C1 C2 H8 110.784 C2 C1 H3 113.601
C2 C1 F4 110.061 C2 C1 Cl5 110.799
H3 C1 F4 108.664 H3 C1 Cl5 105.020
F4 C1 Cl5 108.471 H6 C2 H7 109.030
H6 C2 H8 109.140 H7 C2 H8 109.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.068      
2 C -0.380      
3 H 0.158      
4 F -0.236      
5 Cl -0.069      
6 H 0.162      
7 H 0.149      
8 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.667 -1.220 0.864 2.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.539 -1.424 0.520
y -1.424 -31.017 0.415
z 0.520 0.415 -29.163
Traceless
 xyz
x -0.449 -1.424 0.520
y -1.424 -1.166 0.415
z 0.520 0.415 1.615
Polar
3z2-r23.229
x2-y20.478
xy-1.424
xz0.520
yz0.415


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.423 -0.006 0.279
y -0.006 4.332 0.062
z 0.279 0.062 4.130


<r2> (average value of r2) Å2
<r2> 107.033
(<r2>)1/2 10.346