return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHF2CH2F (Ethane, 1,1,2-trifluoro)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-376.790551
Energy at 298.15K 
HF Energy-375.836310
Nuclear repulsion energy188.297533
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 3158 3085        
2 A 3125 3053        
3 A 3091 3019        
4 A 1551 1515        
5 A 1495 1461        
6 A 1447 1414        
7 A 1370 1338        
8 A 1277 1248        
9 A 1187 1159        
10 A 1171 1144        
11 A 1138 1112        
12 A 1105 1080        
13 A 934 912        
14 A 570 557        
15 A 484 472        
16 A 424 414        
17 A 239 234        
18 A 127 125        

Unscaled Zero Point Vibrational Energy (zpe) 11945.9 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 11669.9 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/aug-cc-pVDZ
ABC
0.29512 0.11860 0.09141

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.771 -0.608 -0.289
C2 0.465 0.019 0.338
F3 -1.901 0.106 0.152
F4 1.559 -0.761 -0.008
F5 0.675 1.279 -0.185
H6 -0.712 -0.538 -1.388
H7 -0.870 -1.656 0.038
H8 0.423 0.106 1.436

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.52061.40762.35162.37931.10281.10302.2160
C21.52062.37451.38791.38042.16182.16261.1026
F31.40762.37453.57052.85022.04962.04532.6550
F42.35161.38793.57052.23092.66652.58852.0321
F52.37931.38042.85022.23092.58323.32452.0171
H61.10282.16182.04962.66652.58321.81953.1112
H71.10302.16262.04532.58853.32451.81952.5941
H82.21601.10262.65502.03212.01713.11122.5941

picture of Ethane, 1,1,2-trifluoro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 107.816 C1 C2 F5 110.109
C1 C2 H8 114.352 C2 C1 F3 108.303
C2 C1 H6 109.963 C2 C1 H7 110.009
F3 C1 H6 108.855 F3 C1 H7 108.499
F4 C2 F5 107.393 F4 C2 H8 108.820
F5 C2 H8 108.130 H6 C1 H7 111.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability