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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-475.878680
Energy at 298.15K-475.882787
Nuclear repulsion energy272.494939
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 MP2/6-311G**
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' 3135 2979 13.76      
2 A' 1522 1446 4.97      
3 A' 1492 1418 27.03      
4 A' 1344 1277 155.86      
5 A' 1227 1166 285.73      
6 A' 1144 1087 87.00      
7 A' 862 819 19.69      
8 A' 676 642 33.53      
9 A' 558 530 9.31      
10 A' 418 398 0.74      
11 A' 222 211 3.49      
12 A" 3209 3049 11.33      
13 A" 1349 1282 133.21      
14 A" 1240 1179 96.78      
15 A" 1001 951 66.56      
16 A" 541 514 2.86      
17 A" 359 341 0.92      
18 A" 115 109 5.78      

Unscaled Zero Point Vibrational Energy (zpe) 10206.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 9698.6 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 MP2/6-311G**
ABC
0.17812 0.09342 0.09217

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.360 0.193 0.000
C2 -1.151 0.239 0.000
F3 0.834 1.450 0.000
F4 0.834 -0.434 1.082
F5 0.834 -0.434 -1.082
F6 -1.647 -1.041 0.000
H7 -1.483 0.763 0.898
H8 -1.483 0.763 -0.898

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51241.34401.33691.33692.35572.12812.1281
C21.51242.32592.35932.35931.37261.09091.0909
F31.34402.32592.17232.17233.51582.57852.5785
F41.33692.35932.17232.16362.77402.61473.2742
F51.33692.35932.17232.16362.77403.27422.6147
F62.35571.37263.51582.77402.77402.02142.0214
H72.12811.09092.57852.61473.27422.02141.7952
H82.12811.09092.57853.27422.61472.02141.7952

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.389 C1 C2 H7 108.585
C1 C2 H8 108.585 C2 C1 F3 108.892
C2 C1 F4 111.650 C2 C1 F5 111.650
F3 C1 F4 108.253 F3 C1 F5 108.253
F4 C1 F5 108.032 F6 C2 H7 109.755
F6 C2 H8 109.755 H7 C2 H8 110.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability