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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-229.337270
Energy at 298.15K-229.343082
HF Energy-229.337270
Nuclear repulsion energy122.914849
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 PBEPBE/6-311G**
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' 3062 3034 13.86      
2 A' 2988 2961 17.08      
3 A' 2986 2959 7.58      
4 A' 1456 1442 7.16      
5 A' 1438 1425 1.11      
6 A' 1365 1352 21.17      
7 A' 1321 1309 9.40      
8 A' 1139 1128 9.57      
9 A' 1096 1086 0.46      
10 A' 983 974 11.50      
11 A' 791 784 0.69      
12 A' 488 484 9.20      
13 A' 293 291 1.60      
14 A" 3069 3041 26.59      
15 A" 3037 3009 5.58      
16 A" 1434 1421 8.51      
17 A" 1228 1217 0.20      
18 A" 1098 1088 5.05      
19 A" 774 767 2.24      
20 A" 206 204 0.28      
21 A" 73 73 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 15162.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 15024.1 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 PBEPBE/6-311G**
ABC
1.10327 0.14498 0.13475

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.493 0.936 0.000
C2 0.000 0.686 0.000
O3 -0.204 -0.776 0.000
O4 -1.492 -1.088 0.000
H5 1.688 2.019 0.000
H6 1.967 0.503 0.893
H7 1.967 0.503 -0.893
H8 -0.505 1.076 -0.897
H9 -0.505 1.076 0.897

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51412.41023.60681.10011.09951.09952.19502.1950
C21.51411.47552.31792.15062.16762.16761.10061.1006
O32.41021.47551.32583.37432.67252.67252.07892.0789
O43.60682.31791.32584.44563.91053.91052.54142.5414
H51.10012.15063.37434.44561.78131.78132.55012.5501
H61.09952.16762.67253.91051.78131.78573.10512.5376
H71.09952.16762.67253.91051.78131.78572.53763.1051
H82.19501.10062.07892.54142.55013.10512.53761.7932
H92.19501.10062.07892.54142.55012.53763.10511.7932

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 107.448 C1 C2 H8 113.226
C1 C2 H9 113.226 C2 C1 H5 109.691
C2 C1 H6 111.074 C2 C1 H7 111.074
C2 O3 O4 111.561 O3 C2 H8 106.706
O3 C2 H9 106.706 H5 C1 H6 108.158
H5 C1 H7 108.158 H6 C1 H7 108.591
H8 C2 H9 109.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.368      
2 C -0.061      
3 O -0.111      
4 O -0.165      
5 H 0.136      
6 H 0.141      
7 H 0.141      
8 H 0.144      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.683 2.438 0.000 2.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.032 -1.199 0.000
y -1.199 -25.320 0.000
z 0.000 0.000 -23.338
Traceless
 xyz
x -1.703 -1.199 0.000
y -1.199 -0.636 0.000
z 0.000 0.000 2.338
Polar
3z2-r24.677
x2-y2-0.711
xy-1.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.903 1.078 0.000
y 1.078 5.011 0.000
z 0.000 0.000 3.970


<r2> (average value of r2) Å2
<r2> 90.624
(<r2>)1/2 9.520