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

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-376.785754
Energy at 298.15K 
HF Energy-375.836918
Nuclear repulsion energy188.600568
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 QCISD(T)/aug-cc-pVDZ
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 3147 3077        
2 A 3119 3050        
3 A 3073 3005        
4 A 1476 1444        
5 A 1443 1411        
6 A 1373 1343        
7 A 1318 1289        
8 A 1243 1216        
9 A 1154 1128        
10 A 1123 1098        
11 A 1081 1057        
12 A 1054 1030        
13 A 897 877        
14 A 557 545        
15 A 466 455        
16 A 415 405        
17 A 237 232        
18 A 119 116        

Unscaled Zero Point Vibrational Energy (zpe) 11646.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 11388.0 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 QCISD(T)/aug-cc-pVDZ
ABC
0.29624 0.11891 0.09169

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.772 -0.606 -0.289
C2 0.465 0.019 0.337
F3 -1.898 0.108 0.152
F4 1.555 -0.761 -0.008
F5 0.676 1.276 -0.185
H6 -0.713 -0.538 -1.388
H7 -0.870 -1.655 0.039
H8 0.421 0.105 1.435

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.52111.40362.34962.37711.10311.10322.2141
C21.52112.37211.38401.37702.16162.16211.1027
F31.40362.37213.56432.84682.04752.04352.6505
F42.34961.38403.56432.22542.66412.58542.0296
F52.37711.37702.84682.22542.58183.32132.0149
H61.10312.16162.04752.66412.58181.81903.1096
H71.10322.16212.04352.58543.32131.81902.5915
H82.21411.10272.65052.02962.01493.10962.5915

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 107.866 C1 C2 F5 110.118
C1 C2 H8 114.153 C2 C1 F3 108.330
C2 C1 H6 109.894 C2 C1 H7 109.924
F3 C1 H6 108.951 F3 C1 H7 108.621
F4 C2 F5 107.419 F4 C2 H8 108.890
F5 C2 H8 108.187 H6 C1 H7 111.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability