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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-574.887884
Energy at 298.15K-574.891250
HF Energy-573.585159
Nuclear repulsion energy357.204528
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 MP2=FULL/aug-cc-pVDZ
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' 3180 3082 11.48      
2 A' 1466 1421 3.48      
3 A' 1315 1275 130.15      
4 A' 1186 1149 203.02      
5 A' 1127 1092 127.10      
6 A' 865 838 53.51      
7 A' 709 687 29.66      
8 A' 564 547 14.14      
9 A' 505 490 7.17      
10 A' 359 348 0.04      
11 A' 242 235 3.80      
12 A" 1365 1323 5.89      
13 A" 1203 1166 391.28      
14 A" 1131 1096 88.05      
15 A" 572 555 0.50      
16 A" 408 395 0.90      
17 A" 209 203 2.11      
18 A" 82 79 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 8243.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7989.7 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 MP2=FULL/aug-cc-pVDZ
ABC
0.12030 0.07994 0.06603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.118 -0.600 0.000
C2 -0.612 0.746 0.000
F3 1.451 -0.436 0.000
F4 -0.233 -1.308 1.095
F5 -0.233 -1.308 -1.095
F6 -0.233 1.444 -1.109
F7 -0.233 1.444 1.109
H8 -1.702 0.613 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53121.34281.35031.35032.35202.35202.1873
C21.53122.37722.35802.35801.36391.36391.0980
F31.34282.37722.18992.18992.75672.75673.3225
F41.35032.35802.18992.18993.52562.75192.6544
F51.35032.35802.18992.18992.75193.52562.6544
F62.35201.36392.75673.52562.75192.21762.0190
F72.35201.36392.75672.75193.52562.21762.0190
H82.18731.09803.32252.65442.65442.01902.0190

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.522 C1 C2 F7 108.522
C1 C2 H8 111.531 C2 C1 F3 111.440
C2 C1 F4 109.674 C2 C1 F5 109.674
F3 C1 F4 108.810 F3 C1 F5 108.810
F4 C1 F5 108.372 F6 C2 F7 108.773
F6 C2 H8 109.718 F7 C2 H8 109.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability