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All results from a given calculation for CH3O (Methoxy radical)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-114.718246
Energy at 298.15K-114.721147
HF Energy-114.429271
Nuclear repulsion energy34.129989
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 MP2/6-31+G**
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 3194 3004 24.76      
2 A 3158 2971 29.25      
3 A 3065 2883 6.14      
4 A 1568 1474 8.29      
5 A 1460 1373 14.83      
6 A 1449 1363 8.89      
7 A 1129 1062 12.65      
8 A 987 928 2.52      
9 A 826 777 49.01      

Unscaled Zero Point Vibrational Energy (zpe) 8417.4 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 7917.4 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 MP2/6-31+G**
ABC
5.27247 0.91265 0.90854

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.589 0.000 -0.009
O2 0.800 0.000 -0.008
H3 -0.867 -0.001 1.052
H4 -0.999 0.903 -0.466
H5 -0.999 -0.902 -0.468

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.38931.09721.09141.0915
O21.38931.97582.06422.0642
H31.09721.97581.77181.7717
H41.09142.06421.77181.8043
H51.09152.06421.77171.8043

picture of Methoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 H3 104.627 O2 C1 H4 112.072
O2 C1 H5 112.065 H3 C1 H4 108.102
H3 C1 H5 108.092 H4 C1 H5 111.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185     0.309
2 O -0.248     -0.320
3 H 0.160     0.034
4 H 0.137     -0.012
5 H 0.137     -0.011


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.140 -0.000 0.158 2.145
CHELPG        
AIM        
ESP -2.132 -0.002 0.222 2.143


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.947 0.000 -0.180
y 0.000 -13.059 -0.001
z -0.180 -0.001 -11.823
Traceless
 xyz
x -1.506 0.000 -0.180
y 0.000 -0.174 -0.001
z -0.180 -0.001 1.680
Polar
3z2-r23.360
x2-y2-0.888
xy0.000
xz-0.180
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.733 0.000 0.010
y 0.000 2.495 0.000
z 0.010 0.000 2.146


<r2> (average value of r2) Å2
<r2> 21.095
(<r2>)1/2 4.593