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: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-1033.775233
Energy at 298.15K-1033.777755
HF Energy-1032.452597
Nuclear repulsion energy533.488474
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/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' 1411 1344 64.09      
2 A' 1276 1216 276.16      
3 A' 1154 1099 224.79      
4 A' 997 950 288.89      
5 A' 765 729 30.94      
6 A' 654 623 14.50      
7 A' 561 535 7.11      
8 A' 447 426 0.19      
9 A' 367 350 0.03      
10 A' 321 305 1.39      
11 A' 186 177 1.70      
12 A" 1292 1230 354.83      
13 A" 1231 1173 145.31      
14 A" 602 573 1.15      
15 A" 456 434 2.00      
16 A" 336 320 0.05      
17 A" 218 208 2.74      
18 A" 69 66 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 6171.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 5878.0 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/cc-pVDZ
ABC
0.07775 0.05063 0.04565

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -0.635 0.000
C2 -0.625 0.734 0.000
Cl3 1.844 -0.438 0.000
F4 -0.295 -1.316 1.091
F5 -0.295 -1.316 -1.091
F6 -1.946 0.530 0.000
F7 -0.295 1.431 1.089
F8 -0.295 1.431 -1.089

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.54481.76481.34261.34262.34612.36682.3668
C21.54482.73342.34572.34571.33731.33401.3340
Cl31.76482.73342.55692.55693.91223.04243.0424
F41.34262.34572.55692.18172.70602.74713.5067
F51.34262.34572.55692.18172.70603.50672.7471
F62.34611.33733.91222.70602.70602.17372.1737
F72.36681.33403.04242.74713.50672.17372.1772
F82.36681.33403.04243.50672.74712.17372.1772

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.777 C1 C2 F7 110.395
C1 C2 F8 110.395 C2 C1 Cl3 111.188
C2 C1 F4 108.460 C2 C1 F5 108.460
Cl3 C1 F4 109.998 Cl3 C1 F5 109.998
F4 C1 F5 108.676 F6 C2 F7 108.926
F6 C2 F8 108.926 F7 C2 F8 109.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability