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

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-78.883773
Energy at 298.15K-78.887641
HF Energy-78.603959
Nuclear repulsion energy36.699366
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 CID/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' 3228 2983 12.11      
2 A' 3153 2913 25.51      
3 A' 3073 2839 27.03      
4 A' 1513 1398 1.54      
5 A' 1498 1384 3.60      
6 A' 1431 1322 0.17      
7 A' 1098 1015 0.06      
8 A' 1006 929 0.16      
9 A' 443 409 43.51      
10 A" 3336 3083 13.15      
11 A" 3195 2953 21.04      
12 A" 1509 1395 3.96      
13 A" 1220 1127 1.98      
14 A" 820 758 1.30      
15 A" 151 140 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 13336.9 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 12323.3 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 CID/cc-pVDZ
ABC
3.40311 0.74881 0.69460

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.699 0.000
C2 -0.014 0.800 0.000
H3 1.014 -1.108 0.000
H4 -0.519 -1.102 0.891
H5 -0.519 -1.102 -0.891
H6 0.095 1.355 -0.933
H7 0.095 1.355 0.933

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49881.10651.10061.10062.25872.2587
C21.49882.16712.15972.15971.09121.0912
H31.10652.16711.77361.77362.78962.7896
H41.10062.15971.77361.78213.12082.5325
H51.10062.15971.77361.78212.53253.1208
H62.25871.09122.78963.12082.53251.8662
H72.25871.09122.78962.53253.12081.8662

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 120.587 C1 C2 H7 120.587
C2 C1 H3 111.684 C2 C1 H4 111.452
C2 C1 H5 111.452 H3 C1 H4 106.948
H3 C1 H5 106.948 H4 C1 H5 108.114
H6 C2 H7 117.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability