return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-574.740378
Energy at 298.15K-574.743865
HF Energy-573.542159
Nuclear repulsion energy359.927802
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3156 3020 27.43      
2 A' 1509 1444 5.98      
3 A' 1372 1313 203.89      
4 A' 1261 1207 198.90      
5 A' 1179 1128 131.24      
6 A' 893 854 49.48      
7 A' 739 707 37.05      
8 A' 591 566 16.15      
9 A' 534 511 10.55      
10 A' 371 355 0.06      
11 A' 246 235 4.63      
12 A" 1415 1354 25.15      
13 A" 1307 1250 379.74      
14 A" 1221 1169 104.87      
15 A" 598 572 1.33      
16 A" 424 405 1.38      
17 A" 211 202 3.07      
18 A" 75 71 0.86      

Unscaled Zero Point Vibrational Energy (zpe) 8551.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8181.1 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/cc-pVDZ
ABC
0.12250 0.08084 0.06689

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.601 0.000
C2 -0.602 0.748 0.000
F3 1.441 -0.443 0.000
F4 -0.233 -1.298 1.085
F5 -0.233 -1.298 -1.085
F6 -0.233 1.437 -1.099
F7 -0.233 1.437 1.099
H8 -1.695 0.601 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53061.33061.33601.33602.34232.34232.1766
C21.53062.36502.34502.34501.34841.34841.1018
F31.33062.36502.16932.16932.74612.74613.3045
F41.33602.34502.16932.16903.49932.73492.6307
F51.33602.34502.16932.16902.73493.49932.6307
F62.34231.34842.74613.49932.73492.19712.0106
F72.34231.34842.74612.73493.49932.19712.0106
H82.17661.10183.30452.63072.63072.01062.0106

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.728 C1 C2 F7 108.728
C1 C2 H8 110.489 C2 C1 F3 111.308
C2 C1 F4 109.588 C2 C1 F5 109.588
F3 C1 F4 108.885 F3 C1 F5 108.885
F4 C1 F5 108.534 F6 C2 F7 109.116
F6 C2 H8 109.874 F7 C2 H8 109.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability