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

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 C1 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-266.006703
Energy at 298.15K-266.011965
HF Energy-266.006703
Nuclear repulsion energy129.109309
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 3567 3538 9.97      
2 A 3540 3511 12.77      
3 A 3012 2988 57.20      
4 A 2907 2884 83.00      
5 A 1523 1511 4.23      
6 A 1404 1392 68.34      
7 A 1363 1352 8.46      
8 A 1310 1300 54.03      
9 A 1185 1175 1.46      
10 A 1104 1095 49.96      
11 A 1041 1033 117.79      
12 A 953 945 76.74      
13 A 837 830 6.03      
14 A 486 482 25.68      
15 A 410 407 138.41      
16 A 300 297 4.63      
17 A 193 191 81.84      
18 A 95 94 4.96      

Unscaled Zero Point Vibrational Energy (zpe) 12614.2 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 12512.1 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
1.13475 0.14054 0.13151

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.534 0.492 0.033
O2 -1.780 -0.131 -0.057
O3 0.478 -0.522 -0.140
O4 1.773 0.136 -0.035
H5 -1.871 -0.749 0.694
H6 2.158 -0.309 0.748
H7 -0.485 1.230 -0.786
H8 -0.360 1.010 1.002

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.39571.44302.33531.93962.89891.10351.1121
O21.39572.29273.56280.97674.02372.01532.1071
O31.44302.29271.45672.50241.91312.10042.0865
O42.33533.56281.45673.81960.98062.61812.5273
H51.93960.97672.50243.81964.05322.83302.3387
H62.89894.02371.91310.98064.05323.42172.8542
H71.10352.01532.10042.61812.83303.42171.8054
H81.11212.10712.08652.52732.33872.85421.8054

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 108.382 C1 O3 O4 107.288
O2 C1 O3 107.718 O2 C1 H7 106.898
O2 C1 H8 113.839 O3 C1 H7 110.427
O3 C1 H8 108.795 O3 O4 H6 101.641
H7 C1 H8 109.140
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 0.195      
2 O -0.541      
3 O -0.284      
4 O -0.391      
5 H 0.381      
6 H 0.393      
7 H 0.143      
8 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.169 -0.181 2.730 2.741
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.677 -0.176 0.803
y -0.176 -22.648 -2.267
z 0.803 -2.267 -21.309
Traceless
 xyz
x -1.698 -0.176 0.803
y -0.176 -0.155 -2.267
z 0.803 -2.267 1.853
Polar
3z2-r23.706
x2-y2-1.029
xy-0.176
xz0.803
yz-2.267


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.197 0.234 0.247
y 0.234 3.245 -0.350
z 0.247 -0.350 3.157


<r2> (average value of r2) Å2
<r2> 86.855
(<r2>)1/2 9.320