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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-229.491976
Energy at 298.15K-229.497753
HF Energy-229.491976
Nuclear repulsion energy121.635333
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/6-31+G**
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' 3046 3030 16.87      
2 A' 2992 2976 12.99      
3 A' 2979 2963 13.61      
4 A' 1471 1463 6.82      
5 A' 1453 1445 1.26      
6 A' 1380 1373 12.60      
7 A' 1329 1322 20.20      
8 A' 1106 1100 10.12      
9 A' 1069 1064 0.59      
10 A' 961 955 12.29      
11 A' 770 766 2.48      
12 A' 473 470 9.55      
13 A' 292 290 1.41      
14 A" 3062 3046 32.08      
15 A" 3040 3024 0.45      
16 A" 1452 1445 8.05      
17 A" 1231 1224 0.10      
18 A" 1101 1096 4.32      
19 A" 779 775 1.22      
20 A" 211 210 0.27      
21 A" 73 72 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 15134.7 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 15054.5 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/6-31+G**
ABC
1.08644 0.14174 0.13174

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.505 0.951 0.000
C2 0.000 0.696 0.000
O3 -0.199 -0.783 0.000
O4 -1.510 -1.107 0.000
H5 1.687 2.038 0.000
H6 1.982 0.523 0.895
H7 1.982 0.523 -0.895
H8 -0.506 1.080 -0.899
H9 -0.506 1.080 0.899

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52612.43113.65031.10201.10091.10092.20592.2059
C21.52611.49252.35182.15602.18142.18141.10071.1007
O32.43111.49251.35053.39372.69492.69492.09142.0914
O43.65032.35181.35054.48503.95623.95622.56912.5691
H51.10202.15603.39374.48501.78411.78412.55652.5565
H61.10092.18142.69493.95621.78411.78953.11722.5492
H71.10092.18142.69493.95621.78411.78952.54923.1172
H82.20591.10072.09142.56912.55653.11722.54921.7983
H92.20591.10072.09142.56912.55652.54923.11721.7983

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 107.290 C1 C2 H8 113.238
C1 C2 H9 113.238 C2 C1 H5 109.175
C2 C1 H6 111.247 C2 C1 H7 111.247
C2 O3 O4 111.534 O3 C2 H8 106.529
O3 C2 H9 106.529 H5 C1 H6 108.173
H5 C1 H7 108.173 H6 C1 H7 108.727
H8 C2 H9 109.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.458      
2 C -0.122      
3 O -0.027      
4 O -0.207      
5 H 0.157      
6 H 0.168      
7 H 0.168      
8 H 0.160      
9 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.895 2.767 0.000 3.353
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.728 -1.360 0.000
y -1.360 -26.152 0.000
z 0.000 0.000 -23.834
Traceless
 xyz
x -1.735 -1.360 0.000
y -1.360 -0.871 0.000
z 0.000 0.000 2.606
Polar
3z2-r25.212
x2-y2-0.576
xy-1.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.616 1.192 0.000
y 1.192 5.667 0.000
z 0.000 0.000 4.364


<r2> (average value of r2) Å2
<r2> 92.626
(<r2>)1/2 9.624