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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-178.601034
Energy at 298.15K-178.606654
HF Energy-178.093940
Nuclear repulsion energy79.139726
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 MP3=FULL/6-31+G**
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' 3226 3005 23.93      
2 A' 3160 2943 34.74      
3 A' 3139 2924 12.83      
4 A' 1581 1473 0.14      
5 A' 1554 1448 2.23      
6 A' 1485 1383 30.68      
7 A' 1447 1348 4.70      
8 A' 1162 1082 25.41      
9 A' 1114 1038 78.62      
10 A' 919 856 20.84      
11 A' 419 390 7.30      
12 A" 3245 3023 37.59      
13 A" 3214 2994 14.13      
14 A" 1537 1432 5.25      
15 A" 1335 1244 0.21      
16 A" 1227 1143 4.88      
17 A" 833 776 0.14      
18 A" 262 244 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 15427.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 14372.6 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 MP3=FULL/6-31+G**
ABC
1.20802 0.31254 0.27382

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.554 0.000
C2 1.122 -0.453 0.000
F3 -1.227 -0.098 0.000
H4 0.047 1.189 0.884
H5 0.047 1.189 -0.884
H6 2.078 0.067 0.000
H7 1.070 -1.085 0.883
H8 1.070 -1.085 -0.883

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50731.38971.08951.08952.13442.14752.1475
C21.50732.37502.15212.15211.08841.08731.0873
F31.38972.37502.01552.01553.30892.65102.6510
H41.08952.15212.01551.76882.48302.49333.0562
H51.08952.15212.01551.76882.48303.05622.4933
H62.13441.08843.30892.48302.48301.76711.7671
H72.14751.08732.65102.49333.05621.76711.7660
H82.14751.08732.65103.05622.49331.76711.7660

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.568 C1 C2 H7 110.676
C1 C2 H8 110.676 C2 C1 F3 110.065
C2 C1 H4 110.912 C2 C1 H5 110.912
F3 C1 H4 108.162 F3 C1 H5 108.162
H4 C1 H5 108.535 H6 C2 H7 108.628
H6 C2 H8 108.628 H7 C2 H8 108.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability