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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-229.414665
Energy at 298.15K-229.420363
HF Energy-229.414665
Nuclear repulsion energy119.455139
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/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' 3058 3034 20.90      
2 A' 3010 2987 10.65      
3 A' 2986 2963 12.64      
4 A' 1510 1498 7.77      
5 A' 1492 1481 1.43      
6 A' 1422 1411 9.40      
7 A' 1339 1329 21.09      
8 A' 1110 1102 5.49      
9 A' 987 980 8.45      
10 A' 944 937 7.62      
11 A' 734 728 3.33      
12 A' 453 449 9.47      
13 A' 280 278 1.12      
14 A" 3084 3060 41.09      
15 A" 3058 3035 0.00      
16 A" 1492 1480 7.98      
17 A" 1250 1241 0.12      
18 A" 1107 1099 4.72      
19 A" 808 802 2.54      
20 A" 204 203 0.39      
21 A" 61 60 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 15194.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 15078.8 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 BLYP/6-31G
ABC
1.04751 0.13728 0.12732

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.503 0.988 0.000
C2 0.000 0.716 0.000
O3 -0.167 -0.803 0.000
O4 -1.538 -1.146 0.000
H5 1.680 2.077 0.000
H6 1.983 0.560 0.894
H7 1.983 0.560 -0.894
H8 -0.514 1.086 -0.900
H9 -0.514 1.086 0.900

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52722.44833.71471.10341.10151.10152.21052.2105
C21.52721.52772.41502.16252.18072.18071.10051.1005
O32.44831.52771.41313.42132.69782.69782.12072.1207
O43.71472.41501.41314.55484.01304.01302.61562.6156
H51.10342.16253.42134.55481.78661.78662.57052.5705
H61.10152.18072.69784.01301.78661.78903.11922.5512
H71.10152.18072.69784.01301.78661.78902.55123.1192
H82.21051.10052.12072.61562.57053.11922.55121.8003
H92.21051.10052.12072.61562.57052.55123.11921.8003

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 106.532 C1 C2 H8 113.548
C1 C2 H9 113.548 C2 C1 H5 109.531
C2 C1 H6 111.070 C2 C1 H7 111.070
C2 O3 O4 110.346 O3 C2 H8 106.448
O3 C2 H9 106.448 H5 C1 H6 108.244
H5 C1 H7 108.244 H6 C1 H7 108.593
H8 C2 H9 109.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 C -0.021      
3 O -0.207      
4 O -0.149      
5 H 0.141      
6 H 0.152      
7 H 0.152      
8 H 0.158      
9 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.640 2.859 0.000 3.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.583 -1.213 0.000
y -1.213 -25.449 0.000
z 0.000 0.000 -23.234
Traceless
 xyz
x -1.242 -1.213 0.000
y -1.213 -1.040 0.000
z 0.000 0.000 2.282
Polar
3z2-r24.564
x2-y2-0.135
xy-1.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.618 1.282 0.000
y 1.282 4.698 0.000
z 0.000 0.000 3.508


<r2> (average value of r2) Å2
<r2> 94.481
(<r2>)1/2 9.720