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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-475.248015
Energy at 298.15K-475.251676
Nuclear repulsion energy260.587239
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/SDD
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' 3133 3024 11.76      
2 A' 1526 1473 8.04      
3 A' 1426 1377 2.36      
4 A' 1265 1222 108.18      
5 A' 1049 1013 252.70      
6 A' 989 955 49.68      
7 A' 763 736 36.51      
8 A' 588 568 36.15      
9 A' 486 469 14.55      
10 A' 367 354 1.71      
11 A' 205 198 5.69      
12 A" 3225 3113 4.61      
13 A" 1276 1231 76.41      
14 A" 1133 1093 60.54      
15 A" 936 904 125.36      
16 A" 469 453 3.98      
17 A" 321 310 2.02      
18 A" 97 94 11.32      

Unscaled Zero Point Vibrational Energy (zpe) 9627.6 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 9293.5 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/SDD
ABC
0.16173 0.08588 0.08478

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.349 0.195 0.000
C2 -1.185 0.270 0.000
F3 0.871 1.521 0.000
F4 0.871 -0.457 1.138
F5 0.871 -0.457 -1.138
F6 -1.714 -1.089 0.000
H7 -1.530 0.773 0.911
H8 -1.530 0.773 -0.911

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.53571.42561.41131.41132.42952.16662.1666
C21.53572.40692.45972.45971.45811.09671.0967
F31.42562.40692.28222.28223.67342.67462.6746
F41.41132.45972.28222.27512.89382.70723.3876
F51.41132.45972.28222.27512.89383.38762.7072
F62.42951.45813.67342.89382.89382.08152.0815
H72.16661.09672.67462.70723.38762.08151.8226
H82.16661.09672.67463.38762.70722.08151.8226

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 108.454 C1 C2 H7 109.659
C1 C2 H8 109.659 C2 C1 F3 108.680
C2 C1 F4 113.088 C2 C1 F5 113.088
F3 C1 F4 107.121 F3 C1 F5 107.121
F4 C1 F5 107.419 F6 C2 H7 108.289
F6 C2 H8 108.289 H7 C2 H8 112.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability