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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-229.536660
Energy at 298.15K-229.542637
HF Energy-229.536660
Nuclear repulsion energy124.539560
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 mPW1PW91/6-311G**
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' 3150 3013 15.77      
2 A' 3080 2947 14.80      
3 A' 3070 2937 10.72      
4 A' 1511 1446 7.28      
5 A' 1500 1435 1.23      
6 A' 1425 1364 25.41      
7 A' 1385 1325 5.11      
8 A' 1248 1194 20.71      
9 A' 1151 1101 6.81      
10 A' 1047 1002 17.64      
11 A' 867 829 2.28      
12 A' 516 494 10.13      
13 A' 309 296 1.71      
14 A" 3158 3021 29.94      
15 A" 3130 2995 4.15      
16 A" 1485 1421 8.25      
17 A" 1286 1231 0.42      
18 A" 1157 1107 5.55      
19 A" 806 771 1.72      
20 A" 225 215 0.37      
21 A" 80 76 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 15792.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15108.8 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 mPW1PW91/6-311G**
ABC
1.13147 0.14873 0.13829

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.488 0.910 0.000
C2 0.000 0.672 0.000
O3 -0.213 -0.761 0.000
O4 -1.479 -1.060 0.000
H5 1.688 1.983 0.000
H6 1.953 0.475 0.886
H7 1.953 0.475 -0.886
H8 -0.492 1.072 -0.889
H9 -0.492 1.072 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50672.38413.56161.09151.09091.09092.17572.1757
C21.50671.44822.27762.13742.15342.15341.09161.0916
O32.38411.44821.30123.33792.64632.64632.05582.0558
O43.56162.27761.30124.39223.86283.86282.51212.5121
H51.09152.13743.33794.39221.76881.76882.52392.5239
H61.09092.15342.64633.86281.76881.77133.07902.5164
H71.09092.15342.64633.86281.76881.77132.51643.0790
H82.17571.09162.05582.51212.52393.07902.51641.7774
H92.17571.09162.05582.51212.52392.51643.07901.7774

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 107.557 C1 C2 H8 112.749
C1 C2 H9 112.749 C2 C1 H5 109.664
C2 C1 H6 110.979 C2 C1 H7 110.979
C2 O3 O4 111.757 O3 C2 H8 107.242
O3 C2 H9 107.242 H5 C1 H6 108.290
H5 C1 H7 108.290 H6 C1 H7 108.556
H8 C2 H9 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 C -0.040      
3 O -0.140      
4 O -0.154      
5 H 0.134      
6 H 0.140      
7 H 0.140      
8 H 0.142      
9 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.592 2.449 0.000 2.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.758 -1.160 0.000
y -1.160 -25.092 0.000
z 0.000 0.000 -23.065
Traceless
 xyz
x -1.679 -1.160 0.000
y -1.160 -0.681 0.000
z 0.000 0.000 2.360
Polar
3z2-r24.719
x2-y2-0.665
xy-1.160
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.633 0.970 0.000
y 0.970 4.649 0.000
z 0.000 0.000 3.803


<r2> (average value of r2) Å2
<r2> 88.626
(<r2>)1/2 9.414