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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-178.695900
Energy at 298.15K-178.701541
HF Energy-178.129420
Nuclear repulsion energy79.298868
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=FULL/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' 3187 3023 21.24      
2 A' 3106 2946 38.72      
3 A' 3095 2936 12.32      
4 A' 1552 1472 0.71      
5 A' 1522 1444 1.81      
6 A' 1467 1391 32.47      
7 A' 1420 1347 2.40      
8 A' 1155 1095 33.59      
9 A' 1113 1056 59.69      
10 A' 915 868 13.64      
11 A' 418 397 6.27      
12 A" 3200 3035 33.96      
13 A" 3161 2998 23.07      
14 A" 1502 1424 5.19      
15 A" 1334 1266 0.36      
16 A" 1217 1155 5.76      
17 A" 827 784 0.19      
18 A" 279 264 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 15233.8 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 14450.8 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 MP2=FULL/6-311G**
ABC
1.21088 0.31429 0.27545

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.559 0.000
C2 1.121 -0.454 0.000
F3 -1.223 -0.099 0.000
H4 0.038 1.193 0.890
H5 0.038 1.193 -0.890
H6 2.089 0.055 0.000
H7 1.059 -1.088 0.887
H8 1.059 -1.088 -0.887

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51091.38871.09311.09312.14872.14902.1490
C21.51092.37092.16272.16271.09331.09151.0915
F31.38872.37092.01232.01233.31542.64022.6402
H41.09312.16272.01231.77942.50852.49863.0656
H51.09312.16272.01231.77942.50853.06562.4986
H62.14871.09333.31542.50852.50851.77551.7755
H72.14901.09152.64022.49863.06561.77551.7731
H82.14901.09152.64023.06562.49861.77551.7731

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.158 C1 C2 H7 110.294
C1 C2 H8 110.294 C2 C1 F3 109.635
C2 C1 H4 111.292 C2 C1 H5 111.292
F3 C1 H4 107.763 F3 C1 H5 107.763
H4 C1 H5 108.968 H6 C2 H7 108.707
H6 C2 H8 108.707 H7 C2 H8 108.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability