return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NaOCH3 (Sodium methoxide)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-277.364657
Energy at 298.15K-277.368368
HF Energy-277.364657
Nuclear repulsion energy73.476300
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 M06-2X/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2897 2897 280.02      
2 A1 1522 1522 82.29      
3 A1 1243 1243 279.66      
4 A1 496 496 35.77      
5 E 2905 2905 191.39      
5 E 2905 2905 191.81      
6 E 1520 1520 1.08      
6 E 1520 1520 1.05      
7 E 1199 1199 0.05      
7 E 1199 1199 0.06      
8 E 103 103 39.41      
8 E 102 102 39.27      

Unscaled Zero Point Vibrational Energy (zpe) 8804.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8804.8 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 M06-2X/6-311G*
ABC
5.37381 0.15331 0.15331

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.657
O2 0.000 0.000 -0.272
C3 0.000 0.000 -1.637
H4 0.000 1.019 -2.076
H5 0.882 -0.509 -2.076
H6 -0.882 -0.509 -2.076

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.92943.29443.86983.86983.8698
O21.92941.36502.07162.07162.0716
C33.29441.36501.10911.10911.1091
H43.86982.07161.10911.76431.7643
H53.86982.07161.10911.76431.7643
H63.86982.07161.10911.76431.7643

picture of Sodium methoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na1 O2 C3 180.000 O2 C3 H4 113.309
O2 C3 H5 113.309 O2 C3 H6 113.309
H4 C3 H5 105.375 H4 C3 H6 105.375
H5 C3 H6 105.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.698      
2 O -0.727      
3 C -0.378      
4 H 0.136      
5 H 0.136      
6 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 7.317 7.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.069 0.000 0.000
y 0.000 -19.069 0.000
z 0.000 0.000 -6.416
Traceless
 xyz
x -6.327 0.000 0.000
y 0.000 -6.327 0.000
z 0.000 0.000 12.653
Polar
3z2-r225.306
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.388 0.000 0.000
y 0.000 3.377 -0.000
z 0.000 -0.000 5.317


<r2> (average value of r2) Å2
<r2> 72.204
(<r2>)1/2 8.497