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All results from a given calculation for CH3C(O)OO (acetyl peroxy radical)

using model chemistry: SVWN/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/TZVP
 hartrees
Energy at 0K-302.134779
Energy at 298.15K-302.138687
HF Energy-302.134779
Nuclear repulsion energy172.179900
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 SVWN/TZVP
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' 3124 3088 1.21      
2 A' 2999 2965 3.58      
3 A' 1885 1863 215.50      
4 A' 1373 1357 13.35      
5 A' 1331 1316 71.87      
6 A' 1191 1177 49.36      
7 A' 1102 1089 77.33      
8 A' 948 937 8.73      
9 A' 738 730 39.41      
10 A' 530 524 13.71      
11 A' 490 485 10.89      
12 A' 327 324 10.77      
13 A" 3066 3031 1.91      
14 A" 1373 1357 15.82      
15 A" 984 972 12.79      
16 A" 520 514 4.03      
17 A" 156 154 2.98      
18 A" 114 113 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 11125.6 cm-1
Scaled (by 0.9885) Zero Point Vibrational Energy (zpe) 10997.7 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 SVWN/TZVP
ABC
0.31675 0.16287 0.10973

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.425 0.222 0.000
C2 0.000 0.573 0.000
O3 -0.536 1.633 0.000
O4 -0.899 -0.556 0.000
O5 -0.302 -1.717 0.000
H6 2.012 1.146 0.000
H7 1.668 -0.398 0.876
H8 1.668 -0.398 -0.876

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8
C11.46802.41632.45132.59731.09471.10011.1001
C21.46801.18791.44332.31022.09212.11962.1196
O32.41631.18792.21903.35862.59423.12273.1227
O42.45131.44332.21901.30573.37232.71702.7170
O52.59732.31023.35861.30573.68182.52772.5277
H61.09472.09212.59423.37233.68181.80841.8084
H71.10012.11963.12272.71702.52771.80841.7512
H81.10012.11963.12272.71702.52771.80841.7512

picture of acetyl peroxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 130.660 C1 C2 O4 114.695
C2 C1 H6 108.570 C2 C1 H7 110.428
C2 C1 H8 110.428 C2 O4 O5 114.269
O3 C2 O4 114.645 H6 C1 H7 110.960
H6 C1 H8 110.960 H7 C1 H8 105.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.549      
2 C 0.231      
3 O -0.195      
4 O 0.037      
5 O -0.164      
6 H 0.206      
7 H 0.217      
8 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.785 -0.027 0.000 2.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.559 0.962 0.000
y 0.962 -34.794 0.000
z 0.000 0.000 -26.784
Traceless
 xyz
x 3.231 0.962 0.000
y 0.962 -7.623 0.000
z 0.000 0.000 4.392
Polar
3z2-r28.784
x2-y27.235
xy0.962
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.190 -0.348 0.000
y -0.348 7.302 0.000
z 0.000 0.000 3.589


<r2> (average value of r2) Å2
<r2> 102.692
(<r2>)1/2 10.134