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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: CCSD/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/cc-pVTZ
 hartrees
Energy at 0K-178.783200
Energy at 298.15K-178.788809
HF Energy-178.149750
Nuclear repulsion energy79.438640
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/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' 3143 2958 24.50      
2 A' 3076 2895 32.15      
3 A' 3066 2886 14.45      
4 A' 1548 1457 0.57      
5 A' 1520 1431 1.29      
6 A' 1456 1370 26.09      
7 A' 1419 1335 1.30      
8 A' 1153 1086 49.21      
9 A' 1110 1045 52.64      
10 A' 911 857 12.32      
11 A' 417 392 5.94      
12 A" 3155 2970 37.20      
13 A" 3118 2935 16.98      
14 A" 1502 1414 4.40      
15 A" 1327 1249 0.38      
16 A" 1212 1141 4.90      
17 A" 819 770 0.28      
18 A" 257 242 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 15104.3 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 14216.2 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/cc-pVTZ
ABC
1.21881 0.31468 0.27600

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
C2 1.114 -0.463 0.000
F3 -1.222 -0.084 0.000
H4 0.061 1.189 0.885
H5 0.061 1.189 -0.885
H6 2.077 0.047 0.000
H7 1.059 -1.098 0.884
H8 1.059 -1.098 -0.884

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.50711.37781.09171.09172.13752.15042.1504
C21.50712.36612.14952.14951.09041.08961.0896
F31.37782.36612.01232.01233.30172.64752.6475
H41.09172.14952.01231.76982.48002.49463.0582
H51.09172.14952.01231.76982.48003.05822.4946
H62.13751.09043.30172.48002.48001.76931.7693
H72.15041.08962.64752.49463.05821.76931.7681
H82.15041.08962.64753.05822.49461.76931.7681

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.716 C1 C2 H7 110.794
C1 C2 H8 110.794 C2 C1 F3 110.129
C2 C1 H4 110.587 C2 C1 H5 110.587
F3 C1 H4 108.589 F3 C1 H5 108.589
H4 C1 H5 108.297 H6 C2 H7 108.506
H6 C2 H8 108.506 H7 C2 H8 108.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability