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

using model chemistry: MP3=FULL/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-78.908673
Energy at 298.15K-78.912529
HF Energy-78.603842
Nuclear repulsion energy36.655000
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-pVDZ
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' 3209 3018 12.26      
2 A' 3132 2945 23.26      
3 A' 3051 2869 24.80      
4 A' 1497 1407 1.26      
5 A' 1480 1392 3.98      
6 A' 1410 1326 0.25      
7 A' 1092 1027 0.05      
8 A' 991 932 0.21      
9 A' 443 416 44.08      
10 A" 3319 3120 12.31      
11 A" 3176 2987 19.39      
12 A" 1491 1402 4.03      
13 A" 1204 1132 2.01      
14 A" 811 763 1.40      
15 A" 150 141 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 13227.3 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 12437.6 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-pVDZ
ABC
3.39213 0.74749 0.69325

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.700 0.000
C2 -0.014 0.800 0.000
H3 1.016 -1.109 0.000
H4 -0.519 -1.103 0.893
H5 -0.519 -1.103 -0.893
H6 0.094 1.356 -0.935
H7 0.094 1.356 0.935

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49981.10851.10251.10252.26122.2612
C21.49982.16962.16222.16221.09301.0930
H31.10852.16961.77621.77622.79352.7935
H41.10252.16221.77621.78543.12502.5354
H51.10252.16221.77621.78542.53543.1250
H62.26121.09302.79353.12502.53541.8693
H72.26121.09302.79352.53543.12501.8693

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 120.596 C1 C2 H7 120.596
C2 C1 H3 111.694 C2 C1 H4 111.470
C2 C1 H5 111.470 H3 C1 H4 106.908
H3 C1 H5 106.908 H4 C1 H5 108.144
H6 C2 H7 117.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability