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

using model chemistry: CCSD=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 CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-79.022373
Energy at 298.15K-79.026248
HF Energy-78.628161
Nuclear repulsion energy37.115355
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=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' 3202 3036 12.47      
2 A' 3093 2932 20.98      
3 A' 3018 2861 23.65      
4 A' 1519 1440 2.25      
5 A' 1506 1428 3.03      
6 A' 1429 1355 1.12      
7 A' 1088 1031 0.03      
8 A' 1005 953 0.38      
9 A' 490 465 51.17      
10 A" 3282 3112 11.84      
11 A" 3128 2966 19.44      
12 A" 1518 1439 4.71      
13 A" 1220 1157 1.86      
14 A" 824 781 1.24      
15 A" 129 123 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 13224.7 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 12538.3 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 CCSD=FULL/cc-pVTZ
ABC
3.49553 0.76389 0.70865

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=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 1.006 -1.096 0.000
H4 -0.508 -1.091 0.881
H5 -0.508 -1.091 -0.881
H6 0.072 1.341 -0.921
H7 0.072 1.341 0.921

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48521.09361.08681.08682.23412.2341
C21.48522.14422.13762.13761.07501.0750
H31.09362.14421.75151.75152.76682.7668
H41.08682.13761.75151.76113.08162.5007
H51.08682.13761.75151.76112.50073.0816
H62.23411.07502.76683.08162.50071.8413
H72.23411.07502.76682.50073.08161.8413

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 120.691 C1 C2 H7 120.691
C2 C1 H3 111.602 C2 C1 H4 111.490
C2 C1 H5 111.490 H3 C1 H4 106.890
H3 C1 H5 106.890 H4 C1 H5 108.234
H6 C2 H7 117.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability