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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-264.785520
Energy at 298.15K-264.791205
HF Energy-264.785520
Nuclear repulsion energy134.399885
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 HF/Def2TZVPP
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 4161 3771 76.42      
2 A 4139 3752 66.28      
3 A 3260 2954 46.24      
4 A 3162 2866 78.95      
5 A 1678 1521 1.30      
6 A 1581 1433 58.56      
7 A 1550 1405 81.83      
8 A 1500 1360 33.63      
9 A 1357 1230 8.89      
10 A 1263 1145 121.58      
11 A 1228 1113 60.42      
12 A 1173 1063 103.41      
13 A 1118 1013 54.04      
14 A 567 514 5.85      
15 A 411 373 110.48      
16 A 334 303 79.51      
17 A 232 211 90.02      
18 A 139 126 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 14425.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 13075.2 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 HF/Def2TZVPP
ABC
1.27290 0.15084 0.14119

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.508 0.483 0.034
O2 -1.729 -0.128 -0.058
O3 0.474 -0.507 -0.130
O4 1.702 0.130 -0.034
H5 -1.848 -0.733 0.652
H6 2.109 -0.302 0.697
H7 -0.434 1.204 -0.766
H8 -0.355 0.970 0.990

Atom - Atom Distances (Å)
  C1 O2 O3 O4 H5 H6 H7 H8
C11.36761.40412.23901.91132.81171.07941.0848
O21.36762.23643.44010.94043.91501.98742.0478
O31.40412.23641.38632.46051.84332.03892.0309
O42.23903.44011.38633.71650.94142.50042.4459
H51.91130.94042.46053.71653.98032.78542.2901
H62.81173.91501.84330.94143.98033.29782.7881
H71.07941.98742.03892.50042.78543.29781.7735
H81.08482.04782.03092.44592.29012.78811.7735

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 110.451 C1 O3 O4 106.717
O2 C1 O3 107.577 O2 C1 H7 108.043
O2 C1 H8 112.735 O3 C1 H7 109.674
O3 C1 H8 108.689 O3 O4 H6 103.061
H7 C1 H8 110.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 O -0.408      
3 O -0.222      
4 O -0.245      
5 H 0.216      
6 H 0.235      
7 H 0.053      
8 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.391 0.119 2.854 2.883
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.459 0.164 0.693
y 0.164 -22.954 -1.997
z 0.693 -1.997 -21.388
Traceless
 xyz
x -1.289 0.164 0.693
y 0.164 -0.530 -1.997
z 0.693 -1.997 1.819
Polar
3z2-r23.638
x2-y2-0.506
xy0.164
xz0.693
yz-1.997


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.874 0.239 0.138
y 0.239 3.401 -0.119
z 0.138 -0.119 3.310


<r2> (average value of r2) Å2
<r2> 82.028
(<r2>)1/2 9.057