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 CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-476.788705
Energy at 298.15K-476.792760
HF Energy-476.788705
Nuclear repulsion energy272.474368
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 wB97X-D/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' 3091 2956 13.90      
2 A' 1502 1436 4.74      
3 A' 1460 1397 26.02      
4 A' 1318 1261 168.69      
5 A' 1201 1149 298.08      
6 A' 1129 1080 97.28      
7 A' 853 816 18.17      
8 A' 670 641 34.44      
9 A' 553 529 8.99      
10 A' 414 396 0.71      
11 A' 220 211 3.47      
12 A" 3157 3019 12.19      
13 A" 1325 1268 141.44      
14 A" 1218 1165 97.41      
15 A" 986 943 70.41      
16 A" 536 513 2.27      
17 A" 356 340 1.20      
18 A" 106 101 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 10047.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9610.2 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 wB97X-D/6-311G**
ABC
0.17846 0.09321 0.09185

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.365 0.194 0.000
C2 -1.155 0.234 0.000
F3 0.837 1.448 0.000
F4 0.837 -0.432 1.079
F5 0.837 -0.432 -1.079
F6 -1.654 -1.040 0.000
H7 -1.489 0.762 0.896
H8 -1.489 0.762 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.52011.34061.33351.33352.36612.13632.1363
C21.52012.33262.36132.36131.36881.09221.0922
F31.34062.33262.16742.16743.52112.58592.5859
F41.33352.36132.16742.15812.78242.62143.2769
F51.33352.36132.16742.15812.78243.27692.6214
F62.36611.36883.52112.78242.78242.01902.0190
H72.13631.09222.58592.62143.27692.01901.7917
H82.13631.09222.58593.27692.62142.01901.7917

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.862 C1 C2 H7 108.622
C1 C2 H8 108.622 C2 C1 F3 109.095
C2 C1 F4 111.514 C2 C1 F5 111.514
F3 C1 F4 108.292 F3 C1 F5 108.292
F4 C1 F5 108.028 F6 C2 H7 109.746
F6 C2 H8 109.746 H7 C2 H8 110.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.556      
2 C 0.021      
3 F -0.208      
4 F -0.195      
5 F -0.195      
6 F -0.248      
7 H 0.135      
8 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.302 1.559 0.000 2.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.028 -3.147 0.000
y -3.147 -33.173 0.000
z 0.000 0.000 -31.387
Traceless
 xyz
x 0.252 -3.147 0.000
y -3.147 -1.465 0.000
z 0.000 0.000 1.214
Polar
3z2-r22.427
x2-y21.145
xy-3.147
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.398 0.016 0.000
y 0.016 3.516 0.000
z 0.000 0.000 3.391


<r2> (average value of r2) Å2
<r2> 133.127
(<r2>)1/2 11.538