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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-638.701257
Energy at 298.15K-638.706210
Nuclear repulsion energy166.142682
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 mPW1PW91/6-311G**
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 3174 3037 11.00      
2 A 3158 3021 11.71      
3 A 3137 3001 12.37      
4 A 3074 2941 5.00      
5 A 1487 1423 3.77      
6 A 1480 1416 4.24      
7 A 1427 1365 32.47      
8 A 1384 1324 7.02      
9 A 1319 1262 50.69      
10 A 1154 1104 138.96      
11 A 1143 1094 19.84      
12 A 1045 1000 27.56      
13 A 923 883 54.51      
14 A 689 660 75.48      
15 A 480 459 9.55      
16 A 383 367 1.97      
17 A 325 311 1.71      
18 A 262 251 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 13022.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 12458.9 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 mPW1PW91/6-311G**
ABC
0.30332 0.15425 0.11066

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.411 0.104 0.385
C2 1.256 -1.032 -0.111
H3 0.423 0.216 1.468
F4 0.837 1.276 -0.165
Cl5 -1.316 -0.130 -0.055
H6 1.178 -1.109 -1.195
H7 2.296 -0.844 0.160
H8 0.936 -1.973 0.337

Atom - Atom Distances (Å)
  C1 C2 H3 F4 Cl5 H6 H7 H8
C11.50041.08881.36271.79702.13482.12272.1427
C21.50042.17802.34662.72551.08991.09181.0895
H31.08882.17801.99052.33703.06882.51902.5161
F41.36272.34661.99052.57352.62042.59453.2887
Cl51.79702.72552.33702.57352.91153.68832.9356
H62.13481.08993.06882.62042.91151.77671.7754
H72.12271.09182.51902.59453.68831.77671.7765
H82.14271.08952.51613.28872.93561.77541.7765

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 110.002 C1 C2 H7 108.932
C1 C2 H8 110.654 C2 C1 H3 113.581
C2 C1 F4 110.001 C2 C1 Cl5 111.175
H3 C1 F4 108.054 H3 C1 Cl5 105.512
F4 C1 Cl5 108.283 H6 C2 H7 109.059
H6 C2 H8 109.106 H7 C2 H8 109.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.035      
2 C -0.332      
3 H 0.173      
4 F -0.225      
5 Cl -0.098      
6 H 0.158      
7 H 0.144      
8 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.592 -1.478 0.995 2.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.908 -1.583 0.622
y -1.583 -31.824 0.529
z 0.622 0.529 -29.471
Traceless
 xyz
x -0.260 -1.583 0.622
y -1.583 -1.635 0.529
z 0.622 0.529 1.895
Polar
3z2-r23.789
x2-y20.917
xy-1.583
xz0.622
yz0.529


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.511 -0.026 0.311
y -0.026 4.294 0.109
z 0.311 0.109 4.077


<r2> (average value of r2) Å2
<r2> 105.378
(<r2>)1/2 10.265