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: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-638.247788
Energy at 298.15K-638.252608
HF Energy-638.247788
Nuclear repulsion energy164.263871
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 PBEPBEultrafine/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 3107 3056 8.24      
2 A 3088 3037 9.35      
3 A 3036 2986 22.76      
4 A 3006 2956 5.54      
5 A 1468 1443 2.15      
6 A 1463 1439 4.94      
7 A 1392 1369 27.73      
8 A 1349 1327 11.58      
9 A 1279 1258 51.23      
10 A 1129 1111 118.94      
11 A 1111 1092 22.20      
12 A 1015 999 24.03      
13 A 899 884 44.86      
14 A 647 637 75.54      
15 A 461 453 10.72      
16 A 361 355 2.03      
17 A 312 307 1.86      
18 A 260 256 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 12691.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 12482.3 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 PBEPBEultrafine/6-31G*
ABC
0.29787 0.15028 0.10811

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.422 0.106 0.390
C2 1.257 -1.050 -0.112
H3 0.428 0.212 1.487
F4 0.863 1.282 -0.167
Cl5 -1.334 -0.123 -0.055
H6 1.182 -1.120 -1.208
H7 2.310 -0.877 0.166
H8 0.920 -1.999 0.334

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.51231.10221.37381.82592.15352.14082.1639
C21.51232.19942.36632.75221.10101.10331.1006
H31.10222.19942.01722.36583.09982.54422.5417
F41.37382.36632.01722.61042.63802.62063.3194
Cl51.82592.75222.36582.61042.94223.72802.9578
H62.15351.10103.09982.63802.94221.79431.7938
H72.14081.10332.54422.62063.72801.79431.7944
H82.16391.10062.54173.31942.95781.79381.7944

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 109.986 C1 C2 H7 108.859
C1 C2 H8 110.842 C2 C1 H3 113.614
C2 C1 F4 110.062 C2 C1 Cl5 110.717
H3 C1 F4 108.620 H3 C1 Cl5 105.098
F4 C1 Cl5 108.511 H6 C2 H7 108.971
H6 C2 H8 109.134 H7 C2 H8 109.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.039      
2 C -0.504      
3 H 0.193      
4 F -0.232      
5 Cl -0.068      
6 H 0.199      
7 H 0.186      
8 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.666 -1.209 0.870 2.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.560 -1.392 0.534
y -1.392 -31.042 0.405
z 0.534 0.405 -29.162
Traceless
 xyz
x -0.459 -1.392 0.534
y -1.392 -1.180 0.405
z 0.534 0.405 1.639
Polar
3z2-r23.278
x2-y20.481
xy-1.392
xz0.534
yz0.405


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.379 0.000 0.280
y 0.000 4.286 0.059
z 0.280 0.059 4.086


<r2> (average value of r2) Å2
<r2> 107.066
(<r2>)1/2 10.347