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All results from a given calculation for C2H5OO (ethylperoxy radical)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-229.489603
Energy at 298.15K-229.495555
HF Energy-229.489603
Nuclear repulsion energy124.395973
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 mPW1PW91/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' 3170 3038 10.71      
2 A' 3083 2954 11.66      
3 A' 3077 2949 13.16      
4 A' 1486 1424 5.58      
5 A' 1477 1415 0.38      
6 A' 1409 1350 23.14      
7 A' 1362 1306 7.69      
8 A' 1246 1194 22.40      
9 A' 1146 1098 6.47      
10 A' 1056 1012 17.69      
11 A' 863 827 2.22      
12 A' 517 495 9.99      
13 A' 306 293 1.43      
14 A" 3174 3041 20.67      
15 A" 3140 3009 7.73      
16 A" 1460 1399 7.39      
17 A" 1268 1215 0.27      
18 A" 1141 1094 5.49      
19 A" 802 769 2.15      
20 A" 224 214 0.35      
21 A" 74 71 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 15740.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 15084.2 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 mPW1PW91/cc-pVDZ
ABC
1.12400 0.14877 0.13831

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.487 0.911 0.000
C2 0.000 0.668 0.000
O3 -0.211 -0.764 0.000
O4 -1.480 -1.056 0.000
H5 1.687 1.991 0.000
H6 1.958 0.474 0.891
H7 1.958 0.474 -0.891
H8 -0.497 1.073 -0.894
H9 -0.497 1.073 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50672.38563.55991.09861.09861.09862.18172.1817
C21.50671.44802.27242.14362.16012.16011.09961.0996
O32.38561.44801.30173.34592.65222.65222.06262.0626
O43.55992.27241.30174.39473.86733.86732.50942.5094
H51.09862.14363.34594.39471.78041.78042.53172.5317
H61.09862.16012.65223.86731.78041.78213.09362.5267
H71.09862.16012.65223.86731.78041.78212.52673.0936
H82.18171.09962.06262.50942.53173.09362.52671.7878
H92.18171.09962.06262.50942.53172.52673.09361.7878

picture of ethylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.669 C1 C2 H8 112.736
C1 C2 H9 112.736 C2 C1 H5 109.737
C2 C1 H6 111.047 C2 C1 H7 111.047
C2 O3 O4 111.350 O3 C2 H8 107.324
O3 C2 H9 107.324 H5 C1 H6 108.257
H5 C1 H7 108.257 H6 C1 H7 108.406
H8 C2 H9 108.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C 0.089      
3 O -0.128      
4 O -0.148      
5 H 0.058      
6 H 0.064      
7 H 0.064      
8 H 0.060      
9 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.550 2.332 0.000 2.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.449 -1.113 0.000
y -1.113 -24.812 0.000
z 0.000 0.000 -22.911
Traceless
 xyz
x -1.587 -1.113 0.000
y -1.113 -0.632 0.000
z 0.000 0.000 2.219
Polar
3z2-r24.439
x2-y2-0.637
xy-1.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.485 0.954 0.000
y 0.954 4.486 0.000
z 0.000 0.000 3.688


<r2> (average value of r2) Å2
<r2> 88.544
(<r2>)1/2 9.410