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

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-228.363537
Energy at 298.15K-228.369348
HF Energy-228.363537
Nuclear repulsion energy124.602651
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 LSDA/cc-pVDZ
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' 3092 3058 3.17      
2 A' 2993 2960 6.32      
3 A' 2973 2941 9.56      
4 A' 1405 1390 8.26      
5 A' 1389 1374 2.21      
6 A' 1336 1321 32.02      
7 A' 1283 1269 2.07      
8 A' 1221 1208 8.88      
9 A' 1109 1097 1.62      
10 A' 1029 1018 10.64      
11 A' 822 812 0.30      
12 A' 510 504 10.28      
13 A' 293 289 1.53      
14 A" 3087 3053 6.87      
15 A" 3028 2995 7.45      
16 A" 1380 1364 10.67      
17 A" 1197 1183 0.14      
18 A" 1075 1064 5.68      
19 A" 757 749 4.55      
20 A" 201 199 0.24      
21 A" 66 66 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 15122.7 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 14956.3 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 LSDA/cc-pVDZ
ABC
1.12403 0.14985 0.13934

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.474 0.916 0.000
C2 0.000 0.665 0.000
O3 -0.204 -0.761 0.000
O4 -1.470 -1.060 0.000
H5 1.676 2.005 0.000
H6 1.953 0.477 0.898
H7 1.953 0.477 -0.898
H8 -0.517 1.064 -0.900
H9 -0.517 1.064 0.900

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.49482.37173.54501.10791.10861.10862.18962.1896
C21.49481.44052.26612.14572.15772.15771.11201.1120
O32.37171.44051.30103.34422.64392.64392.05912.0591
O43.54502.26611.30104.39183.85793.85792.49582.4958
H51.10792.14573.34424.39181.79411.79412.55022.5502
H61.10862.15772.64393.85791.79411.79643.11102.5388
H71.10862.15772.64393.85791.79411.79642.53883.1110
H82.18961.11202.05912.49582.55023.11102.53881.7998
H92.18961.11202.05912.49582.55022.53883.11101.7998

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 107.790 C1 C2 H8 113.459
C1 C2 H9 113.459 C2 C1 H5 110.176
C2 C1 H6 111.087 C2 C1 H7 111.087
C2 O3 O4 111.397 O3 C2 H8 106.842
O3 C2 H9 106.842 H5 C1 H6 108.078
H5 C1 H7 108.078 H6 C1 H7 108.225
H8 C2 H9 108.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 C -0.009      
3 O -0.061      
4 O -0.169      
5 H 0.085      
6 H 0.090      
7 H 0.090      
8 H 0.086      
9 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.722 2.322 0.000 2.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.778 -1.197 0.000
y -1.197 -24.936 0.000
z 0.000 0.000 -23.102
Traceless
 xyz
x -1.760 -1.197 0.000
y -1.197 -0.495 0.000
z 0.000 0.000 2.255
Polar
3z2-r24.510
x2-y2-0.843
xy-1.197
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.611 0.970 0.000
y 0.970 4.757 0.000
z 0.000 0.000 3.880


<r2> (average value of r2) Å2
<r2> 88.261
(<r2>)1/2 9.395