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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-115.004015
Energy at 298.15K-115.006911
Nuclear repulsion energy34.378385
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 B3PW91/6-31G*
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 3039 2907 49.25      
2 A 3002 2872 41.00      
3 A 2932 2805 0.46      
4 A 1547 1480 5.72      
5 A 1401 1341 14.63      
6 A 1396 1336 18.53      
7 A 1147 1097 8.34      
8 A 981 938 1.20      
9 A 838 802 63.43      

Unscaled Zero Point Vibrational Energy (zpe) 8140.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7788.4 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 B3PW91/6-31G*
ABC
5.24558 0.93423 0.92818

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 0.000 -0.013
O2 0.791 0.000 -0.008
H3 -0.868 -0.001 1.057
H4 -1.013 0.909 -0.456
H5 -1.013 -0.909 -0.457

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5
C11.36301.11001.10351.1035
O21.36301.97152.06932.0693
H31.11001.97151.77131.7712
H41.10352.06931.77131.8181
H51.10352.06931.77121.8181

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 105.275 O2 C1 H4 113.649
O2 C1 H5 113.644 H3 C1 H4 106.309
H3 C1 H5 106.301 H4 C1 H5 110.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264     0.198
2 O -0.288     -0.283
3 H 0.209     0.067
4 H 0.171     0.009
5 H 0.171     0.008


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.990 -0.000 0.247 2.005
CHELPG        
AIM        
ESP -1.986 0.004 0.302 2.009


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.111 0.000 -0.254
y 0.000 -12.513 -0.001
z -0.254 -0.001 -11.428
Traceless
 xyz
x -1.141 0.000 -0.254
y 0.000 -0.243 -0.001
z -0.254 -0.001 1.384
Polar
3z2-r22.768
x2-y2-0.598
xy0.000
xz-0.254
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 20.677
(<r2>)1/2 4.547