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

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-228.356318
Energy at 298.15K-228.362168
HF Energy-228.356318
Nuclear repulsion energy124.567861
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 LSDA/6-31G*
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' 3099 3041 5.19      
2 A' 3009 2953 6.46      
3 A' 2996 2940 9.04      
4 A' 1464 1437 9.80      
5 A' 1444 1417 1.91      
6 A' 1380 1354 31.78      
7 A' 1324 1299 4.47      
8 A' 1238 1215 6.32      
9 A' 1128 1107 3.52      
10 A' 1039 1019 10.63      
11 A' 836 821 0.20      
12 A' 511 501 10.50      
13 A' 298 292 1.39      
14 A" 3098 3040 9.74      
15 A" 3047 2990 7.72      
16 A" 1444 1417 10.96      
17 A" 1229 1206 0.01      
18 A" 1108 1087 5.13      
19 A" 773 758 3.89      
20 A" 212 209 0.23      
21 A" 71 70 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15372.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 15085.4 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 LSDA/6-31G*
ABC
1.12469 0.14973 0.13918

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.476 0.913 0.000
C2 0.000 0.666 0.000
O3 -0.202 -0.761 0.000
O4 -1.474 -1.059 0.000
H5 1.678 1.997 0.000
H6 1.951 0.476 0.894
H7 1.951 0.476 -0.894
H8 -0.511 1.065 -0.896
H9 -0.511 1.065 0.896

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.49632.37003.54841.10211.10241.10242.18432.1843
C21.49631.44142.26922.14122.15402.15401.10521.1052
O32.37001.44141.30683.33722.63882.63882.05652.0565
O43.54842.26921.30684.38983.85823.85822.49772.4977
H51.10212.14123.33724.38981.78461.78462.54172.5417
H61.10242.15402.63883.85821.78461.78773.09942.5307
H71.10242.15402.63883.85821.78461.78772.53073.0994
H82.18431.10522.05652.49772.54173.09942.53071.7910
H92.18431.10522.05652.49772.54172.53073.09941.7910

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 107.549 C1 C2 H8 113.352
C1 C2 H9 113.352 C2 C1 H5 110.055
C2 C1 H6 111.066 C2 C1 H7 111.066
C2 O3 O4 111.226 O3 C2 H8 106.978
O3 C2 H9 106.978 H5 C1 H6 108.096
H5 C1 H7 108.096 H6 C1 H7 108.357
H8 C2 H9 108.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.572      
2 C -0.125      
3 O -0.114      
4 O -0.193      
5 H 0.198      
6 H 0.204      
7 H 0.204      
8 H 0.199      
9 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.759 2.448 0.000 3.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.541 -1.258 0.000
y -1.258 -24.879 0.000
z 0.000 0.000 -22.969
Traceless
 xyz
x -1.617 -1.258 0.000
y -1.258 -0.624 0.000
z 0.000 0.000 2.241
Polar
3z2-r24.482
x2-y2-0.662
xy-1.258
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.373 0.962 0.000
y 0.962 4.612 0.000
z 0.000 0.000 3.768


<r2> (average value of r2) Å2
<r2> 88.182
(<r2>)1/2 9.391