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All results from a given calculation for CF3CF2Cl (pentafluorochloroethane)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-145.557096
Energy at 298.15K-145.559088
HF Energy-144.753121
Nuclear repulsion energy239.482072
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/CEP-121G
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' 1270 1240 46.03      
2 A' 1098 1072 188.08      
3 A' 1011 987 199.85      
4 A' 906 884 242.49      
5 A' 659 643 18.87      
6 A' 560 547 20.06      
7 A' 485 473 6.87      
8 A' 399 389 4.34      
9 A' 328 320 0.03      
10 A' 292 285 1.30      
11 A' 173 168 2.48      
12 A" 1101 1075 262.45      
13 A" 1047 1022 130.53      
14 A" 529 517 1.14      
15 A" 400 390 3.36      
16 A" 302 295 0.04      
17 A" 208 203 4.28      
18 A" 70 68 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 5418.1 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 5288.0 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/CEP-121G
ABC
0.07101 0.04637 0.04198

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.108 -0.639 0.000
C2 -0.649 0.742 0.000
Cl3 1.928 -0.452 0.000
F4 -0.310 -1.369 1.147
F5 -0.310 -1.369 -1.147
F6 -2.042 0.540 0.000
F7 -0.310 1.491 1.143
F8 -0.310 1.491 -1.143

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.57441.83021.42211.42212.45222.45362.4536
C21.57442.83992.42572.42571.40811.40851.4085
Cl31.83022.83992.67662.67664.09263.17663.1766
F41.42212.42572.67662.29492.82172.85983.6641
F51.42212.42572.67662.29492.82173.66412.8598
F62.45221.40814.09262.82172.82172.28332.2833
F72.45361.40853.17662.85983.66412.28332.2864
F82.45361.40853.17663.66412.85982.28332.2864

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 110.486 C1 C2 F7 110.558
C1 C2 F8 110.558 C2 C1 Cl3 112.838
C2 C1 F4 107.989 C2 C1 F5 107.989
Cl3 C1 F4 110.138 Cl3 C1 F5 110.138
F4 C1 F5 107.575 F6 C2 F7 108.324
F6 C2 F8 108.324 F7 C2 F8 108.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability