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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-572.331887
Energy at 298.15K 
HF Energy-572.073662
Nuclear repulsion energy354.589428
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 B2PLYP=FULLultrafine/3-21G*
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' 3187 3187 23.88      
2 A' 1487 1487 8.96      
3 A' 1345 1345 124.53      
4 A' 1240 1240 176.13      
5 A' 1129 1129 63.01      
6 A' 868 868 48.33      
7 A' 691 691 30.57      
8 A' 543 543 21.52      
9 A' 496 496 13.21      
10 A' 349 349 0.08      
11 A' 230 230 5.73      
12 A" 1445 1445 19.76      
13 A" 1285 1285 262.99      
14 A" 1180 1180 47.72      
15 A" 569 569 1.91      
16 A" 396 396 2.22      
17 A" 193 193 3.99      
18 A" 72 72 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 8352.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8352.0 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 B2PLYP=FULLultrafine/3-21G*
ABC
0.11630 0.08008 0.06564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 -0.592 0.000
C2 -0.612 0.730 0.000
F3 1.473 -0.423 0.000
F4 -0.240 -1.303 1.112
F5 -0.240 -1.303 -1.112
F6 -0.240 1.438 -1.132
F7 -0.240 1.438 1.132
H8 -1.683 0.555 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51241.36231.36851.36852.35212.35212.1384
C21.51242.38272.34752.34751.38541.38541.0853
F31.36232.38272.22422.22422.77072.77073.3042
F41.36852.34752.22422.22373.54222.74122.6024
F51.36852.34752.22422.22372.74123.54222.6024
F62.35211.38542.77073.54222.74122.26332.0352
F72.35211.38542.77072.74123.54222.26332.0352
H82.13841.08533.30422.60242.60242.03522.0352

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.439 C1 C2 F7 108.439
C1 C2 H8 109.715 C2 C1 F3 111.859
C2 C1 F4 109.046 C2 C1 F5 109.046
F3 C1 F4 109.078 F3 C1 F5 109.078
F4 C1 F5 108.678 F6 C2 F7 109.541
F6 C2 H8 110.330 F7 C2 H8 110.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability