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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-107.995824
Energy at 298.15K-107.999485
Nuclear repulsion energy147.080564
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-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' 3142 3036 16.19      
2 A' 1520 1468 6.95      
3 A' 1425 1377 2.73      
4 A' 1272 1229 104.75      
5 A' 1057 1021 242.56      
6 A' 989 955 62.39      
7 A' 762 736 37.76      
8 A' 586 567 36.94      
9 A' 484 468 13.90      
10 A' 368 356 1.75      
11 A' 205 199 5.69      
12 A" 3243 3134 10.22      
13 A" 1275 1232 75.78      
14 A" 1133 1095 65.75      
15 A" 939 908 118.78      
16 A" 468 453 3.74      
17 A" 322 311 2.09      
18 A" 95 92 11.71      

Unscaled Zero Point Vibrational Energy (zpe) 9642.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9317.4 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-31G
ABC
0.16039 0.08487 0.08377

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.354 0.196 0.000
C2 -1.198 0.269 0.000
F3 0.877 1.527 0.000
F4 0.877 -0.458 1.142
F5 0.877 -0.458 -1.142
F6 -1.725 -1.093 0.000
H7 -1.545 0.773 0.918
H8 -1.545 0.773 -0.918

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.55351.43011.41641.41642.44582.18642.1864
C21.55352.42672.47802.47801.46051.10281.1028
F31.43012.42672.29002.29003.69242.69792.6979
F41.41642.47802.29002.28402.91182.72663.4097
F51.41642.47802.29002.28402.91183.40972.7266
F62.44581.46053.69242.91182.91182.08702.0870
H72.18641.10282.69792.72663.40972.08701.8352
H82.18641.10282.69793.40972.72662.08701.8352

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 108.441 C1 C2 H7 109.626
C1 C2 H8 109.626 C2 C1 F3 108.775
C2 C1 F4 113.018 C2 C1 F5 113.018
F3 C1 F4 107.124 F3 C1 F5 107.124
F4 C1 F5 107.463 F6 C2 H7 108.209
F6 C2 H8 108.209 H7 C2 H8 112.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability