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All results from a given calculation for HOCH2OOH (hydroxy methyl peroxide)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-264.528958
Energy at 298.15K-264.534567
HF Energy-264.528958
Nuclear repulsion energy131.664261
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 wB97X-D/3-21G*
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 3607 3418 11.13      
2 A 3568 3382 22.21      
3 A 3187 3021 15.72      
4 A 3075 2914 58.91      
5 A 1558 1476 1.61      
6 A 1448 1373 23.85      
7 A 1421 1347 23.22      
8 A 1375 1303 41.79      
9 A 1266 1200 32.59      
10 A 1089 1032 33.53      
11 A 1052 997 181.01      
12 A 1017 964 21.71      
13 A 891 844 57.38      
14 A 591 560 55.53      
15 A 490 464 122.80      
16 A 359 340 13.64      
17 A 199 189 167.28      
18 A 137 130 25.79      

Unscaled Zero Point Vibrational Energy (zpe) 13163.8 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 12476.6 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 wB97X-D/3-21G*
ABC
0.53404 0.19746 0.16136

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.528 0.486 0.029
O2 -1.794 -0.114 -0.053
O3 0.478 -0.546 -0.140
O4 1.779 0.152 -0.030
H5 -1.933 -0.746 0.684
H6 2.204 -0.324 0.720
H7 -0.463 1.215 -0.780
H8 -0.335 1.000 0.984

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.40351.45092.33151.97992.93251.09041.1017
O21.40352.31423.58270.98034.07792.01632.1083
O31.45092.31421.48042.55491.94182.09662.0769
O42.33153.58271.48043.88440.98532.59202.4930
H51.97990.98032.55493.88444.15852.85412.3855
H62.93254.07791.94180.98534.15853.42562.8757
H71.09042.01632.09662.59202.85413.42561.7813
H81.10172.10832.07692.49302.38552.87571.7813

picture of hydroxy methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 111.063 C1 O3 O4 105.379
O2 C1 O3 108.324 O2 C1 H7 107.234
O2 C1 H8 114.071 O3 C1 H7 110.377
O3 C1 H8 108.127 O3 O4 H6 102.038
H7 C1 H8 108.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 O -0.584      
3 O -0.316      
4 O -0.387      
5 H 0.364      
6 H 0.390      
7 H 0.249      
8 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.068 -0.813 0.162 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.616 -3.707 -3.909
y -3.707 -19.819 1.004
z -3.909 1.004 -22.988
Traceless
 xyz
x -2.212 -3.707 -3.909
y -3.707 3.483 1.004
z -3.909 1.004 -1.271
Polar
3z2-r2-2.542
x2-y2-3.797
xy-3.707
xz-3.909
yz1.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.509 -0.849 -0.132
y -0.849 3.370 -0.105
z -0.132 -0.105 2.316


<r2> (average value of r2) Å2
<r2> 75.727
(<r2>)1/2 8.702