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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-475.638779
Energy at 298.15K-475.642778
Nuclear repulsion energy270.848363
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 MP4/6-31G*
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' 3098 2958        
2 A' 1548 1478        
3 A' 1489 1421        
4 A' 1346 1285        
5 A' 1232 1177        
6 A' 1124 1073        
7 A' 852 813        
8 A' 659 630        
9 A' 542 518        
10 A' 407 389        
11 A' 214 204        
12 A" 3164 3021        
13 A" 1349 1288        
14 A" 1233 1177        
15 A" 1010 964        
16 A" 522 499        
17 A" 353 337        
18 A" 112 107        

Unscaled Zero Point Vibrational Energy (zpe) 10127.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9669.3 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 MP4/6-31G*
ABC
0.17550 0.09272 0.09156

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.355 0.198 0.000
C2 -1.157 0.240 0.000
F3 0.834 1.467 0.000
F4 0.834 -0.433 1.091
F5 0.834 -0.433 -1.091
F6 -1.634 -1.063 0.000
H7 -1.501 0.762 0.900
H8 -1.501 0.762 -0.900

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51231.35661.34891.34892.35442.13802.1380
C21.51232.33922.36832.36831.38681.09631.0963
F31.35662.33922.19152.19153.53422.59992.5999
F41.34892.36832.19152.18252.77072.63013.2935
F51.34892.36832.19152.18252.77073.29352.6301
F62.35441.38683.53422.77072.77072.03932.0393
H72.13801.09632.59992.63013.29352.03931.8008
H82.13801.09632.59993.29352.63012.03931.8008

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 108.525 C1 C2 H7 109.051
C1 C2 H8 109.051 C2 C1 F3 109.126
C2 C1 F4 111.604 C2 C1 F5 111.604
F3 C1 F4 108.197 F3 C1 F5 108.197
F4 C1 F5 107.997 F6 C2 H7 109.872
F6 C2 H8 109.872 H7 C2 H8 110.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability