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All results from a given calculation for CH3CH2O (Ethoxy radical)

using model chemistry: B97D3/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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-154.340431
Energy at 298.15K-154.345331
HF Energy-154.340431
Nuclear repulsion energy74.087281
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 B97D3/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' 3052 3005 24.18      
2 A' 2981 2935 15.66      
3 A' 2791 2748 31.36      
4 A' 1462 1440 5.08      
5 A' 1370 1349 14.37      
6 A' 1347 1326 30.37      
7 A' 1272 1253 17.50      
8 A' 1070 1053 6.73      
9 A' 1052 1036 17.73      
10 A' 863 850 1.59      
11 A' 429 423 7.18      
12 A" 3062 3015 19.82      
13 A" 2786 2743 7.34      
14 A" 1453 1431 6.71      
15 A" 1194 1175 0.06      
16 A" 834 821 0.04      
17 A" 266 262 24.91      
18 A" 148 146 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 13715.6 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 13505.7 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 B97D3/aug-cc-pVTZ
ABC
1.34318 0.31570 0.28195

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.042 -0.616 0.000
C2 0.000 0.501 0.000
O3 -1.306 0.123 0.000
H4 2.056 -0.199 0.000
H5 0.925 -1.246 0.887
H6 0.925 -1.246 -0.887
H7 0.144 1.196 0.861
H8 0.144 1.196 -0.861

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52702.46121.09601.09421.09422.19782.1978
C21.52701.35912.17142.16652.16651.11601.1160
O32.46121.35913.37672.76392.76391.99811.9981
H41.09602.17143.37671.77771.77772.51852.5185
H51.09422.16652.76391.77771.77372.56423.1031
H61.09422.16652.76391.77771.77373.10312.5642
H72.19781.11601.99812.51852.56423.10311.7220
H82.19781.11601.99812.51853.10312.56421.7220

picture of Ethoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 116.910 C1 C2 H7 111.572
C1 C2 H8 111.572 C2 C1 H4 110.681
C2 C1 H5 110.392 C2 C1 H6 110.392
O3 C2 H7 107.255 O3 C2 H8 107.255
H4 C1 H5 108.513 H4 C1 H6 108.513
H5 C1 H6 108.280 H7 C2 H8 100.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.498      
2 C 0.267      
3 O -0.546      
4 H 0.163      
5 H 0.149      
6 H 0.149      
7 H 0.158      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.082 0.644 0.000 2.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.695 0.230 0.000
y 0.230 -18.827 0.000
z 0.000 0.000 -18.227
Traceless
 xyz
x -4.169 0.230 0.000
y 0.230 1.634 0.000
z 0.000 0.000 2.534
Polar
3z2-r25.068
x2-y2-3.869
xy0.230
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.793 -0.046 0.000
y -0.046 5.087 0.000
z 0.000 0.000 4.649


<r2> (average value of r2) Å2
<r2> 51.532
(<r2>)1/2 7.179