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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-229.566057
Energy at 298.15K-229.571843
HF Energy-229.566057
Nuclear repulsion energy122.131687
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/cc-pVTZ
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' 3032 3023 17.63      
2 A' 2982 2973 13.60      
3 A' 2973 2964 10.68      
4 A' 1470 1466 5.38      
5 A' 1453 1449 0.89      
6 A' 1379 1374 9.48      
7 A' 1331 1327 17.94      
8 A' 1108 1104 8.78      
9 A' 1067 1064 0.84      
10 A' 960 957 11.90      
11 A' 770 768 2.26      
12 A' 473 472 9.47      
13 A' 292 291 1.35      
14 A" 3046 3037 33.18      
15 A" 3021 3012 1.00      
16 A" 1452 1447 6.24      
17 A" 1235 1232 0.17      
18 A" 1104 1101 3.98      
19 A" 782 780 1.45      
20 A" 206 205 0.32      
21 A" 72 71 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 15103.8 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 15058.5 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/cc-pVTZ
ABC
1.09648 0.14280 0.13273

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.498 0.950 0.000
C2 0.000 0.691 0.000
O3 -0.198 -0.782 0.000
O4 -1.503 -1.103 0.000
H5 1.680 2.032 0.000
H6 1.974 0.524 0.890
H7 1.974 0.524 -0.890
H8 -0.503 1.076 -0.894
H9 -0.503 1.076 0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52062.42503.63671.09681.09581.09582.19582.1958
C21.52061.48712.34072.14962.17182.17181.09571.0957
O32.42501.48711.34393.38372.68632.68632.08482.0848
O43.63672.34071.34394.46793.94073.94072.55862.5586
H51.09682.14963.38374.46791.77571.77572.54582.5458
H61.09582.17182.68633.94071.77571.78063.10232.5379
H71.09582.17182.68633.94071.77571.78062.53793.1023
H82.19581.09572.08482.55862.54583.10232.53791.7879
H92.19581.09572.08482.55862.54582.53793.10231.7879

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 107.466 C1 C2 H8 113.131
C1 C2 H9 113.131 C2 C1 H5 109.361
C2 C1 H6 111.177 C2 C1 H7 111.177
C2 O3 O4 111.443 O3 C2 H8 106.667
O3 C2 H9 106.667 H5 C1 H6 108.174
H5 C1 H7 108.174 H6 C1 H7 108.682
H8 C2 H9 109.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.278      
2 C 0.038      
3 O -0.052      
4 O -0.186      
5 H 0.095      
6 H 0.102      
7 H 0.102      
8 H 0.089      
9 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.724 2.456 0.000 3.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.249 -1.241 0.000
y -1.241 -25.559 0.000
z 0.000 0.000 -23.574
Traceless
 xyz
x -1.682 -1.241 0.000
y -1.241 -0.648 0.000
z 0.000 0.000 2.330
Polar
3z2-r24.661
x2-y2-0.690
xy-1.241
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.363 1.157 0.000
y 1.157 5.470 0.000
z 0.000 0.000 4.301


<r2> (average value of r2) Å2
<r2> 91.771
(<r2>)1/2 9.580