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/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-638.363842
Energy at 298.15K-638.368640
HF Energy-638.363842
Nuclear repulsion energy164.905912
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 3082 3045 7.22      
2 A 3065 3028 8.34      
3 A 3022 2985 12.70      
4 A 2986 2950 5.28      
5 A 1431 1414 3.22      
6 A 1428 1411 5.55      
7 A 1360 1343 24.97      
8 A 1318 1302 4.30      
9 A 1250 1235 36.36      
10 A 1096 1082 22.43      
11 A 1081 1068 110.36      
12 A 997 985 26.41      
13 A 870 860 57.20      
14 A 654 646 68.61      
15 A 462 457 7.94      
16 A 362 358 1.39      
17 A 313 309 1.95      
18 A 240 237 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 12508.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 12357.2 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
0.29762 0.15244 0.10908

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.405 0.098 0.384
C2 1.258 -1.046 -0.111
H3 0.423 0.214 1.476
F4 0.851 1.289 -0.163
Cl5 -1.322 -0.127 -0.056
H6 1.187 -1.118 -1.203
H7 2.304 -0.862 0.171
H8 0.928 -1.992 0.333

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.51001.09801.38491.79652.14692.13782.1548
C21.51002.19172.37082.73911.09681.09871.0962
H31.09802.19172.00632.34683.08812.52942.5354
F41.38492.37082.00632.59572.64382.61713.3195
Cl51.79652.73912.34682.59572.93123.70622.9484
H62.14691.09683.08812.64382.93121.78931.7866
H72.13781.09872.52942.61713.70621.78931.7876
H82.15481.09622.53543.31952.94841.78661.7876

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 109.878 C1 C2 H7 109.048
C1 C2 H8 110.534 C2 C1 H3 113.419
C2 C1 F4 109.884 C2 C1 Cl5 111.575
H3 C1 F4 107.254 H3 C1 Cl5 105.810
F4 C1 Cl5 108.665 H6 C2 H7 109.178
H6 C2 H8 109.114 H7 C2 H8 109.065
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 0.146      
2 C -0.227      
3 H 0.099      
4 F -0.168      
5 Cl -0.138      
6 H 0.100      
7 H 0.093      
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
  1.361 -1.422 0.866 2.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.744 -1.660 0.664
y -1.660 -31.801 0.517
z 0.664 0.517 -29.578
Traceless
 xyz
x -0.055 -1.660 0.664
y -1.660 -1.640 0.517
z 0.664 0.517 1.695
Polar
3z2-r23.390
x2-y21.057
xy-1.660
xz0.664
yz0.517


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.256 -0.087 0.204
y -0.087 5.435 0.055
z 0.204 0.055 5.084


<r2> (average value of r2) Å2
<r2> 106.565
(<r2>)1/2 10.323