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

using model chemistry: MP2=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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-78.989639
Energy at 298.15K-78.993524
HF Energy-78.628129
Nuclear repulsion energy37.201257
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3239 3075 11.74      
2 A' 3127 2969 16.19      
3 A' 3049 2894 18.75      
4 A' 1520 1443 1.45      
5 A' 1505 1429 4.46      
6 A' 1419 1348 1.77      
7 A' 1098 1043 0.05      
8 A' 998 948 0.42      
9 A' 489 464 52.88      
10 A" 3330 3161 7.97      
11 A" 3169 3008 14.42      
12 A" 1516 1439 5.28      
13 A" 1218 1156 2.00      
14 A" 825 783 1.71      
15 A" 136 129 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 13318.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12644.7 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 MP2=FULL/cc-pVTZ
ABC
3.50906 0.76790 0.71233

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 -0.691 0.000
C2 -0.012 0.790 0.000
H3 1.003 -1.093 0.000
H4 -0.507 -1.090 0.879
H5 -0.507 -1.090 -0.879
H6 0.077 1.337 -0.919
H7 0.077 1.337 0.919

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6 H7
C11.48081.09181.08511.08512.22802.2280
C21.48082.13902.13342.13341.07281.0728
H31.09182.13901.74791.74792.75812.7581
H41.08512.13341.74791.75813.07602.4964
H51.08512.13341.74791.75812.49643.0760
H62.22801.07282.75813.07602.49641.8371
H72.22801.07282.75812.49643.07601.8371

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 120.664 C1 C2 H7 120.664
C2 C1 H3 111.598 C2 C1 H4 111.566
C2 C1 H5 111.566 H3 C1 H4 106.819
H3 C1 H5 106.819 H4 C1 H5 108.216
H6 C2 H7 117.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability