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All results from a given calculation for C2H5 (Ethyl radical)

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-79.019542
Energy at 298.15K-79.023419
HF Energy-78.628183
Nuclear repulsion energy37.149063
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/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' 3233 3015 11.86      
2 A' 3120 2910 19.10      
3 A' 3050 2844 21.60      
4 A' 1523 1420 1.89      
5 A' 1510 1408 3.76      
6 A' 1430 1333 1.27      
7 A' 1092 1018 0.03      
8 A' 1006 938 0.37      
9 A' 491 457 52.50      
10 A" 3316 3093 9.91      
11 A" 3156 2943 17.56      
12 A" 1521 1419 5.01      
13 A" 1222 1140 1.94      
14 A" 826 770 1.42      
15 A" 130 121 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13312.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 12415.2 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 MP3=FULL/cc-pVTZ
ABC
3.50656 0.76446 0.70936

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.693 0.000
C2 -0.011 0.792 0.000
H3 1.004 -1.094 0.000
H4 -0.508 -1.090 0.879
H5 -0.508 -1.090 -0.879
H6 0.072 1.340 -0.919
H7 0.072 1.340 0.919

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48521.09141.08511.08512.23252.2325
C21.48522.14212.13612.13611.07301.0730
H31.09142.14211.74921.74922.76372.7637
H41.08512.13611.74921.75813.07792.4984
H51.08512.13611.74921.75812.49843.0779
H62.23251.07302.76373.07792.49841.8382
H72.23251.07302.76372.49843.07791.8382

picture of Ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 120.685 C1 C2 H7 120.685
C2 C1 H3 111.562 C2 C1 H4 111.461
C2 C1 H5 111.461 H3 C1 H4 106.956
H3 C1 H5 106.956 H4 C1 H5 108.207
H6 C2 H7 117.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability