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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-575.698205
Energy at 298.15K-575.701626
HF Energy-575.231562
Nuclear repulsion energy361.527029
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=FULL/6-31G(2df,p)
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' 3118 3118 25.86      
2 A' 1475 1475 0.99      
3 A' 1343 1343 149.21      
4 A' 1233 1233 181.29      
5 A' 1170 1170 101.13      
6 A' 888 888 40.36      
7 A' 734 734 31.34      
8 A' 584 584 13.57      
9 A' 527 527 6.98      
10 A' 365 365 0.03      
11 A' 242 242 3.38      
12 A" 1411 1411 13.08      
13 A" 1263 1263 333.33      
14 A" 1187 1187 79.92      
15 A" 591 591 0.70      
16 A" 419 419 0.93      
17 A" 206 206 2.05      
18 A" 73 73 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 8414.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8414.0 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=FULL/6-31G(2df,p)
ABC
0.12340 0.08175 0.06755

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.118 -0.601 0.000
C2 -0.604 0.746 0.000
F3 1.432 -0.431 0.000
F4 -0.230 -1.294 1.081
F5 -0.230 -1.294 -1.081
F6 -0.230 1.427 -1.095
F7 -0.230 1.427 1.095
H8 -1.687 0.605 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52811.32521.33051.33052.33052.33052.1709
C21.52812.35162.33872.33871.34221.34221.0928
F31.32522.35162.16252.16252.72282.72283.2870
F41.33052.33872.16252.16263.48372.72042.6264
F51.33052.33872.16252.16262.72043.48372.6264
F62.33051.34222.72283.48372.72042.18991.9992
F72.33051.34222.72282.72043.48372.18991.9992
H82.17091.09283.28702.62642.62641.99921.9992

picture of pentafluoroethane state 1 conformation 1
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