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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-574.671229
Energy at 298.15K-574.674680
HF Energy-573.536399
Nuclear repulsion energy358.580186
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 CCD/6-31+G**
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' 3213 3027 12.65      
2 A' 1505 1418 1.08      
3 A' 1362 1284 168.88      
4 A' 1247 1175 196.08      
5 A' 1168 1101 135.24      
6 A' 890 838 52.39      
7 A' 729 687 36.18      
8 A' 579 545 17.46      
9 A' 520 490 10.08      
10 A' 366 345 0.07      
11 A' 249 234 4.44      
12 A" 1419 1338 14.27      
13 A" 1276 1202 371.31      
14 A" 1197 1128 116.33      
15 A" 588 554 1.08      
16 A" 419 395 1.40      
17 A" 214 202 2.60      
18 A" 83 79 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 8511.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 8020.6 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 CCD/6-31+G**
ABC
0.12133 0.08044 0.06648

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.600 0.000
C2 -0.609 0.746 0.000
F3 1.446 -0.439 0.000
F4 -0.233 -1.303 1.090
F5 -0.233 -1.303 -1.090
F6 -0.233 1.440 -1.104
F7 -0.233 1.440 1.104
H8 -1.689 0.612 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53051.33671.34371.34372.34622.34622.1771
C21.53052.37192.35102.35101.35721.35721.0884
F31.33672.37192.18022.18022.75062.75063.3065
F41.34372.35102.18022.18013.51222.74262.6413
F51.34372.35102.18022.18012.74263.51222.6413
F62.34621.35722.75063.51222.74262.20822.0061
F72.34621.35722.75062.74263.51222.20822.0061
H82.17711.08843.30652.64132.64132.00612.0061

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.531 C1 C2 F7 108.531
C1 C2 H8 111.350 C2 C1 F3 111.458
C2 C1 F4 109.592 C2 C1 F5 109.592
F3 C1 F4 108.855 F3 C1 F5 108.855
F4 C1 F5 108.430 F6 C2 F7 108.889
F6 C2 H8 109.745 F7 C2 H8 109.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability