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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-79.115161
Energy at 298.15K-79.118999
HF Energy-78.995587
Nuclear repulsion energy37.088454
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 B2PLYP=FULL/aug-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' 3180 3051 13.89      
2 A' 3071 2946 19.85      
3 A' 2985 2864 23.62      
4 A' 1501 1440 2.53      
5 A' 1486 1426 3.28      
6 A' 1415 1358 1.39      
7 A' 1075 1031 0.04      
8 A' 992 952 0.63      
9 A' 489 469 54.73      
10 A" 3272 3139 11.78      
11 A" 3114 2987 18.47      
12 A" 1500 1439 5.49      
13 A" 1209 1160 2.00      
14 A" 818 785 1.44      
15 A" 113 109 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13109.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 12577.1 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
3.48983 0.76405 0.70830

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.692 0.000
C2 -0.010 0.791 0.000
H3 1.009 -1.098 0.000
H4 -0.504 -1.095 0.883
H5 -0.504 -1.095 -0.883
H6 0.059 1.345 -0.922
H7 0.059 1.345 0.922

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48281.09701.08921.08922.23622.2362
C21.48282.14632.14042.14041.07751.0775
H31.09702.14631.75211.75212.77792.7779
H41.08922.14041.75211.76533.08642.5042
H51.08922.14041.75211.76532.50423.0864
H62.23621.07752.77793.08642.50421.8439
H72.23621.07752.77792.50423.08641.8439

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 120.901 C1 C2 H7 120.901
C2 C1 H3 111.729 C2 C1 H4 111.738
C2 C1 H5 111.738 H3 C1 H4 106.536
H3 C1 H5 106.536 H4 C1 H5 108.267
H6 C2 H7 117.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability