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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CCSD(T)/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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-574.923867
Energy at 298.15K-574.927200
HF Energy-573.584257
Nuclear repulsion energy356.394056
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 CCSD(T)/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' 3130 3012        
2 A' 1452 1398        
3 A' 1308 1259        
4 A' 1186 1142        
5 A' 1119 1077        
6 A' 857 825        
7 A' 703 677        
8 A' 560 539        
9 A' 502 483        
10 A' 355 342        
11 A' 240 231        
12 A" 1354 1303        
13 A" 1207 1161        
14 A" 1130 1088        
15 A" 568 546        
16 A" 404 389        
17 A" 207 199        
18 A" 79 76        

Unscaled Zero Point Vibrational Energy (zpe) 8179.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 7873.2 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 CCSD(T)/aug-cc-pVDZ
ABC
0.11994 0.07947 0.06569

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.603 0.000
C2 -0.614 0.749 0.000
F3 1.453 -0.439 0.000
F4 -0.233 -1.312 1.097
F5 -0.233 -1.312 -1.097
F6 -0.233 1.449 -1.110
F7 -0.233 1.449 1.110
H8 -1.708 0.615 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53771.34451.35241.35242.35942.35942.1958
C21.53772.38422.36512.36511.36641.36641.1023
F31.34452.38422.19302.19302.76452.76453.3325
F41.35242.36512.19302.19323.53422.76052.6627
F51.35242.36512.19302.19322.76053.53422.6627
F62.35941.36642.76453.53422.76052.22052.0252
F72.35941.36642.76452.76053.53422.22052.0252
H82.19581.10233.33252.66272.66272.02522.0252

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.525 C1 C2 F7 108.525
C1 C2 H8 111.486 C2 C1 F3 111.448
C2 C1 F4 109.671 C2 C1 F5 109.671
F3 C1 F4 108.812 F3 C1 F5 108.812
F4 C1 F5 108.364 F6 C2 F7 108.695
F6 C2 H8 109.775 F7 C2 H8 109.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability