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

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 2A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-78.919047
Energy at 298.15K-78.922950
HF Energy-78.607484
Nuclear repulsion energy37.002105
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' 3262 3039 14.54      
2 A' 3171 2954 23.26      
3 A' 3091 2879 26.00      
4 A' 1546 1441 1.30      
5 A' 1528 1424 4.99      
6 A' 1464 1364 0.59      
7 A' 1099 1024 0.01      
8 A' 1024 954 0.55      
9 A' 475 443 68.91      
10 A" 3370 3140 14.71      
11 A" 3215 2995 22.61      
12 A" 1544 1438 5.18      
13 A" 1243 1158 1.51      
14 A" 836 779 1.21      
15 A" 151 141 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 13509.3 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 12585.2 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/6-31+G**
ABC
3.48255 0.75766 0.70346

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 -0.013 -0.697 0.000
C2 -0.013 0.796 0.000
H3 1.004 -1.101 0.000
H4 -0.514 -1.092 0.882
H5 -0.514 -1.092 -0.882
H6 0.087 1.346 -0.921
H7 0.087 1.346 0.921

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49231.09411.08821.08822.24292.2429
C21.49232.15172.14242.14241.07781.0778
H31.09412.15171.75521.75522.77042.7704
H41.08822.14241.75521.76313.09082.5108
H51.08822.14241.75521.76312.51083.0908
H62.24291.07782.77043.09082.51081.8427
H72.24291.07782.77042.51083.09081.8427

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 120.698 C1 C2 H7 120.698
C2 C1 H3 111.673 C2 C1 H4 111.283
C2 C1 H5 111.283 H3 C1 H4 107.087
H3 C1 H5 107.087 H4 C1 H5 108.212
H6 C2 H7 117.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability