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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCSD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-178.538849
Energy at 298.15K-178.544465
HF Energy-178.076163
Nuclear repulsion energy78.993049
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/6-31G*
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' 3159 2983 24.81      
2 A' 3085 2913 19.50      
3 A' 3080 2908 30.60      
4 A' 1582 1494 0.13      
5 A' 1551 1464 2.30      
6 A' 1483 1401 31.60      
7 A' 1447 1366 4.94      
8 A' 1167 1102 32.02      
9 A' 1116 1054 52.70      
10 A' 925 874 13.47      
11 A' 414 391 6.45      
12 A" 3172 2996 35.09      
13 A" 3128 2954 30.49      
14 A" 1535 1449 4.45      
15 A" 1328 1254 0.00      
16 A" 1229 1160 4.93      
17 A" 831 785 0.33      
18 A" 272 257 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 15250.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 14401.5 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/6-31G*
ABC
1.19433 0.31309 0.27381

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.557 0.000
C2 1.119 -0.459 0.000
F3 -1.228 -0.094 0.000
H4 0.063 1.199 0.890
H5 0.063 1.199 -0.890
H6 2.090 0.051 0.000
H7 1.060 -1.097 0.889
H8 1.060 -1.097 -0.889

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51151.38981.09891.09892.15052.15612.1561
C21.51152.37532.15752.15751.09691.09581.0958
F31.38982.37532.03252.03253.32142.65132.6513
H41.09892.15752.03251.77902.49332.50303.0704
H51.09892.15752.03251.77902.49333.07042.5030
H62.15051.09693.32142.49332.49331.78071.7807
H72.15611.09582.65132.50303.07041.78071.7777
H82.15611.09582.65133.07042.50301.78071.7777

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.054 C1 C2 H7 110.561
C1 C2 H8 110.561 C2 C1 F3 109.840
C2 C1 H4 110.486 C2 C1 H5 110.486
F3 C1 H4 108.948 F3 C1 H5 108.948
H4 C1 H5 108.086 H6 C2 H7 108.599
H6 C2 H8 108.599 H7 C2 H8 108.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability