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

using model chemistry: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-79.065194
Energy at 298.15K 
HF Energy-78.971495
Nuclear repulsion energy36.805056
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=FULLultrafine/aug-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' 3178 3058 14.76      
2 A' 3078 2962 21.65      
3 A' 2988 2876 25.73      
4 A' 1482 1426 0.69      
5 A' 1456 1401 4.87      
6 A' 1384 1332 1.13      
7 A' 1079 1038 0.03      
8 A' 969 933 0.63      
9 A' 492 473 54.67      
10 A" 3287 3163 13.33      
11 A" 3127 3009 20.56      
12 A" 1466 1411 5.08      
13 A" 1191 1146 2.03      
14 A" 809 778 1.34      
15 A" 111 107 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13047.8 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 12555.9 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=FULLultrafine/aug-cc-pVDZ
ABC
3.42517 0.75418 0.69875

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.696 0.000
C2 -0.010 0.796 0.000
H3 1.018 -1.106 0.000
H4 -0.509 -1.102 0.891
H5 -0.509 -1.102 -0.891
H6 0.058 1.355 -0.931
H7 0.058 1.355 0.931

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.49151.10681.09901.09902.25352.2535
C21.49152.16162.15502.15501.08841.0884
H31.10682.16161.76801.76802.80102.8010
H41.09902.15501.76801.78193.11112.5220
H51.09902.15501.76801.78192.52203.1111
H62.25351.08842.80103.11112.52201.8621
H72.25351.08842.80102.52203.11111.8621

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 120.936 C1 C2 H7 120.936
C2 C1 H3 111.745 C2 C1 H4 111.687
C2 C1 H5 111.687 H3 C1 H4 106.550
H3 C1 H5 106.550 H4 C1 H5 108.331
H6 C2 H7 117.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability