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All results from a given calculation for CH3OOH (Methyl peroxide)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-189.876569
Energy at 298.15K-189.881408
HF Energy-189.876569
Nuclear repulsion energy82.862403
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/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 4134 3756 72.31      
2 A 3272 2973 28.16      
3 A 3242 2946 55.42      
4 A 3174 2884 44.30      
5 A 1636 1487 10.20      
6 A 1596 1450 6.17      
7 A 1593 1447 8.20      
8 A 1542 1401 51.82      
9 A 1334 1212 4.19      
10 A 1284 1167 3.74      
11 A 1235 1122 27.60      
12 A 1035 940 37.75      
13 A 496 450 7.70      
14 A 266 242 5.69      
15 A 161 146 160.13      

Unscaled Zero Point Vibrational Energy (zpe) 13000.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 11812.1 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 HF/TZVP
ABC
1.55453 0.36203 0.31660

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.117 -0.205 0.027
O2 -0.038 0.580 -0.033
O3 -1.125 -0.285 -0.081
H4 1.944 0.492 0.021
H5 1.140 -0.796 0.936
H6 1.182 -0.858 -0.835
H7 -1.666 0.030 0.625

Atom - Atom Distances (Å)
  C1 O2 O3 H4 H5 H6 H7
C11.39822.24631.08151.08421.08322.8568
O21.39821.39071.98412.05422.04931.8406
O32.24631.39073.16742.53472.49380.9440
H41.08151.98413.16741.77301.77063.6893
H51.08422.05422.53471.77301.77252.9418
H61.08322.04932.49381.77061.77253.3218
H72.85681.84060.94403.68932.94183.3218

picture of Methyl peroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 O3 107.311 O2 C1 H4 105.582
O2 C1 H5 111.063 O2 C1 H6 110.720
O2 O3 H7 102.374 H4 C1 H5 109.903
H4 C1 H6 109.764 H5 C1 H6 109.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.028      
2 O -0.207      
3 O -0.295      
4 H 0.088      
5 H 0.067      
6 H 0.084      
7 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.639 -0.406 1.429 1.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.160 -0.927 -2.634
y -0.927 -19.794 0.159
z -2.634 0.159 -17.763
Traceless
 xyz
x 4.619 -0.927 -2.634
y -0.927 -3.833 0.159
z -2.634 0.159 -0.786
Polar
3z2-r2-1.572
x2-y25.635
xy-0.927
xz-2.634
yz0.159


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.987 0.336 -0.147
y 0.336 2.840 0.037
z -0.147 0.037 2.738


<r2> (average value of r2) Å2
<r2> 44.886
(<r2>)1/2 6.700