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All results from a given calculation for CF3CF2Cl (pentafluorochloroethane)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-1027.988502
Energy at 298.15K-1027.991001
HF Energy-1027.219738
Nuclear repulsion energy532.220678
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 CISD/3-21G*
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 1308 108.92      
2 A' 1384 1293 154.57      
3 A' 1211 1131 192.81      
4 A' 1018 951 248.33      
5 A' 757 707 43.28      
6 A' 644 602 25.65      
7 A' 559 523 15.10      
8 A' 443 414 2.13      
9 A' 367 343 0.19      
10 A' 323 302 1.45      
11 A' 192 179 3.42      
12 A" 1394 1303 266.36      
13 A" 1311 1225 73.15      
14 A" 604 564 2.60      
15 A" 450 420 5.65      
16 A" 335 313 0.24      
17 A" 213 199 4.69      
18 A" 65 61 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 6334.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 5918.8 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 CISD/3-21G*
ABC
0.07648 0.05087 0.04610

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -0.624 0.000
C2 -0.625 0.714 0.000
Cl3 1.835 -0.408 0.000
F4 -0.289 -1.315 1.111
F5 -0.289 -1.315 -1.111
F6 -1.961 0.501 0.000
F7 -0.289 1.421 1.102
F8 -0.289 1.421 -1.102

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.52161.74811.36521.36522.34822.35482.3548
C21.52162.70342.33792.33791.35341.35141.3514
Cl31.74812.70342.56242.56243.90343.01123.0112
F41.36522.33792.56242.22252.70762.73593.5188
F51.36522.33792.56242.22252.70763.51882.7359
F62.34821.35343.90342.70762.70762.20402.2040
F72.35481.35143.01122.73593.51882.20402.2035
F82.35481.35143.01123.51882.73592.20402.2035

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.381 C1 C2 F7 109.957
C1 C2 F8 109.957 C2 C1 Cl3 111.356
C2 C1 F4 108.041 C2 C1 F5 108.041
Cl3 C1 F4 110.175 Cl3 C1 F5 110.175
F4 C1 F5 108.978 F6 C2 F7 109.147
F6 C2 F8 109.147 F7 C2 F8 109.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability