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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-178.670581
Energy at 298.15K-178.676212
HF Energy-178.129262
Nuclear repulsion energy79.171081
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 CCSD/6-311G**
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' 3143 3143 29.06      
2 A' 3078 3078 35.17      
3 A' 3065 3065 17.14      
4 A' 1552 1552 0.64      
5 A' 1522 1522 1.60      
6 A' 1472 1472 31.84      
7 A' 1427 1427 1.44      
8 A' 1157 1157 41.24      
9 A' 1111 1111 53.07      
10 A' 914 914 14.30      
11 A' 418 418 6.38      
12 A" 3156 3156 46.67      
13 A" 3122 3122 20.09      
14 A" 1503 1503 4.17      
15 A" 1331 1331 0.53      
16 A" 1220 1220 5.60      
17 A" 824 824 0.04      
18 A" 272 272 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 15142.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15142.8 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 CCSD/6-311G**
ABC
1.20590 0.31329 0.27457

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.560 0.000
C2 1.122 -0.461 0.000
F3 -1.224 -0.093 0.000
H4 0.040 1.195 0.892
H5 0.040 1.195 -0.892
H6 2.093 0.046 0.000
H7 1.057 -1.096 0.889
H8 1.057 -1.096 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51711.38741.09541.09542.15552.15632.1563
C21.51712.37462.17022.17021.09601.09431.0943
F31.38742.37462.01292.01293.32032.64552.6455
H41.09542.17022.01291.78322.51652.50703.0749
H51.09542.17022.01291.78322.51653.07492.5070
H62.15551.09603.32032.51652.51651.78031.7803
H72.15631.09432.64552.50703.07491.78031.7778
H82.15631.09432.64553.07492.50701.78031.7778

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.107 C1 C2 H7 110.281
C1 C2 H8 110.281 C2 C1 F3 109.604
C2 C1 H4 111.321 C2 C1 H5 111.321
F3 C1 H4 107.753 F3 C1 H5 107.753
H4 C1 H5 108.959 H6 C2 H7 108.741
H6 C2 H8 108.741 H7 C2 H8 108.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability