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 CF3CF2Cl (pentafluorochloroethane)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-1033.831735
Energy at 298.15K-1033.834215
HF Energy-1032.451943
Nuclear repulsion energy532.348576
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 QCISD(T)/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' 1400 1334        
2 A' 1280 1220        
3 A' 1150 1096        
4 A' 989 943        
5 A' 758 723        
6 A' 647 617        
7 A' 557 531        
8 A' 441 420        
9 A' 365 348        
10 A' 318 303        
11 A' 183 175        
12 A" 1294 1233        
13 A" 1231 1173        
14 A" 598 570        
15 A" 452 430        
16 A" 333 317        
17 A" 216 206        
18 A" 68 65        

Unscaled Zero Point Vibrational Energy (zpe) 6138.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5850.8 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 QCISD(T)/cc-pVDZ
ABC
0.07753 0.05035 0.04539

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -0.635 0.000
C2 -0.628 0.737 0.000
Cl3 1.853 -0.442 0.000
F4 -0.298 -1.316 1.092
F5 -0.298 -1.316 -1.092
F6 -1.950 0.530 0.000
F7 -0.298 1.435 1.090
F8 -0.298 1.435 -1.090

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.54841.77261.34451.34452.35002.37112.3711
C21.54842.74572.34872.34871.33841.33531.3353
Cl31.77262.74572.56562.56563.92483.05473.0547
F41.34452.34872.56562.18432.70792.75103.5111
F51.34452.34872.56562.18432.70793.51112.7510
F62.35001.33843.92482.70792.70792.17592.1759
F72.37111.33533.05472.75103.51112.17592.1790
F82.37111.33533.05473.51112.75102.17592.1790

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.768 C1 C2 F7 110.403
C1 C2 F8 110.403 C2 C1 Cl3 111.358
C2 C1 F4 108.355 C2 C1 F5 108.355
Cl3 C1 F4 110.031 Cl3 C1 F5 110.031
F4 C1 F5 108.642 F6 C2 F7 108.937
F6 C2 F8 108.937 F7 C2 F8 109.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability