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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-226.458048
Energy at 298.15K-226.463478
HF Energy-226.458048
Nuclear repulsion energy118.075170
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 BLYP/STO-3G
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' 3369 3117 0.82      
2 A' 3213 2972 1.21      
3 A' 3188 2950 3.05      
4 A' 1636 1514 3.60      
5 A' 1587 1468 0.19      
6 A' 1517 1403 0.39      
7 A' 1378 1275 16.45      
8 A' 1233 1140 3.83      
9 A' 1151 1065 1.15      
10 A' 1015 939 0.57      
11 A' 824 762 7.79      
12 A' 441 408 0.33      
13 A' 266 246 0.28      
14 A" 3382 3129 1.56      
15 A" 3304 3057 5.16      
16 A" 1627 1506 3.57      
17 A" 1304 1206 0.37      
18 A" 1096 1014 3.73      
19 A" 819 757 2.10      
20 A" 179 166 0.13      
21 A" 40 37 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 16283.3 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 15065.3 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 BLYP/STO-3G
ABC
1.00946 0.13383 0.12391

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.535 1.003 0.000
C2 0.000 0.717 0.000
O3 -0.190 -0.843 0.000
O4 -1.553 -1.134 0.000
H5 1.715 2.098 0.000
H6 2.011 0.567 0.901
H7 2.011 0.567 -0.901
H8 -0.499 1.130 -0.911
H9 -0.499 1.130 0.911

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.56152.52683.75561.10971.10851.10852.23272.2327
C21.56151.57162.41622.20222.20852.20851.11771.1177
O32.52681.57161.39393.50442.76452.76452.19452.1945
O43.75562.41621.39394.59664.05034.05032.65742.6574
H51.10972.20223.50444.59661.80141.80142.58322.5832
H61.10852.20852.76454.05031.80141.80233.14652.5725
H71.10852.20852.76454.05031.80141.80232.57253.1465
H82.23271.11772.19452.65742.58323.14652.57251.8217
H92.23271.11772.19452.65742.58322.57253.14651.8217

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 107.509 C1 C2 H8 111.818
C1 C2 H9 111.818 C2 C1 H5 109.904
C2 C1 H6 110.459 C2 C1 H7 110.459
C2 O3 O4 108.981 O3 C2 H8 108.195
O3 C2 H9 108.195 H5 C1 H6 108.601
H5 C1 H7 108.601 H6 C1 H7 108.765
H8 C2 H9 109.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.217      
2 C -0.063      
3 O -0.044      
4 O -0.088      
5 H 0.082      
6 H 0.083      
7 H 0.083      
8 H 0.082      
9 H 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.905 1.621 0.000 1.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.876 -0.724 0.000
y -0.724 -22.590 0.000
z 0.000 0.000 -21.213
Traceless
 xyz
x -0.974 -0.724 0.000
y -0.724 -0.546 0.000
z 0.000 0.000 1.520
Polar
3z2-r23.040
x2-y2-0.286
xy-0.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.232 0.983 0.000
y 0.983 2.838 0.000
z 0.000 0.000 1.837


<r2> (average value of r2) Å2
<r2> 95.110
(<r2>)1/2 9.752