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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-468.300385
Energy at 298.15K-468.303800
Nuclear repulsion energy261.092225
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=FULL/STO-3G
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' 3345 2973 3.82      
2 A' 1685 1498 0.12      
3 A' 1540 1369 7.62      
4 A' 1388 1234 77.81      
5 A' 1276 1134 61.75      
6 A' 1255 1115 26.70      
7 A' 848 754 0.23      
8 A' 623 554 20.43      
9 A' 500 444 8.72      
10 A' 378 336 1.28      
11 A' 191 170 1.01      
12 A" 3457 3073 4.02      
13 A" 1461 1298 79.41      
14 A" 1300 1156 6.17      
15 A" 1026 912 6.31      
16 A" 485 431 4.72      
17 A" 316 281 0.20      
18 A" 43 38 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 10558.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 9385.0 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=FULL/STO-3G
ABC
0.16505 0.08457 0.08359

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.390 0.205 0.000
C2 -1.223 0.225 0.000
F3 0.882 1.508 0.000
F4 0.882 -0.447 1.127
F5 0.882 -0.447 -1.127
F6 -1.744 -1.076 0.000
H7 -1.557 0.787 0.905
H8 -1.557 0.787 -0.905

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.61331.39241.39141.39142.48872.22462.2246
C21.61332.46502.48022.48021.40101.11641.1164
F31.39242.46502.25582.25583.68352.69912.6991
F41.39142.48022.25582.25372.92572.74243.4056
F51.39142.48022.25582.25372.92573.40562.7424
F62.48871.40103.68352.92572.92572.07972.0797
H72.22461.11642.69912.74243.40562.07971.8092
H82.22461.11642.69913.40562.74242.07971.8092

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 111.112 C1 C2 H7 107.779
C1 C2 H8 107.779 C2 C1 F3 109.978
C2 C1 F4 111.052 C2 C1 F5 111.052
F3 C1 F4 108.253 F3 C1 F5 108.253
F4 C1 F5 108.158 F6 C2 H7 110.898
F6 C2 H8 110.898 H7 C2 H8 108.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability