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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCSD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-178.797524
Energy at 298.15K-178.803128
HF Energy-178.152501
Nuclear repulsion energy79.313222
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/aug-cc-pVTZ
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' 3136 2997 23.09      
2 A' 3074 2938 31.42      
3 A' 3060 2925 11.46      
4 A' 1549 1480 0.94      
5 A' 1524 1457 1.42      
6 A' 1452 1388 24.54      
7 A' 1422 1359 0.88      
8 A' 1147 1096 34.88      
9 A' 1102 1053 72.96      
10 A' 908 867 15.68      
11 A' 416 398 6.22      
12 A" 3150 3010 35.16      
13 A" 3117 2979 11.11      
14 A" 1507 1440 4.86      
15 A" 1322 1263 0.40      
16 A" 1209 1156 4.35      
17 A" 821 785 0.43      
18 A" 254 243 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 15083.9 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 14417.2 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/aug-cc-pVTZ
ABC
1.21384 0.31393 0.27526

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.557 0.000
C2 1.122 -0.451 0.000
F3 -1.224 -0.101 0.000
H4 0.027 1.190 0.888
H5 0.027 1.190 -0.888
H6 2.084 0.065 0.000
H7 1.070 -1.085 0.885
H8 1.070 -1.085 -0.885

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50831.38921.09081.09082.14162.15062.1506
C21.50832.37192.16342.16341.09181.09021.0902
F31.38922.37192.00472.00473.31232.64842.6484
H41.09082.16342.00471.77582.50732.50303.0673
H51.09082.16342.00471.77582.50733.06732.5030
H62.14161.09183.31232.50732.50731.77071.7707
H72.15061.09022.64842.50303.06731.77071.7702
H82.15061.09022.64843.06732.50301.77071.7702

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.872 C1 C2 H7 110.686
C1 C2 H8 110.686 C2 C1 F3 109.819
C2 C1 H4 111.678 C2 C1 H5 111.678
F3 C1 H4 107.250 F3 C1 H5 107.250
H4 C1 H5 108.971 H6 C2 H7 108.485
H6 C2 H8 108.485 H7 C2 H8 108.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability