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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-275.748341
Energy at 298.15K-275.752197
HF Energy-275.748341
Nuclear repulsion energy73.731962
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 mPW1PW91/3-21G*
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 2891 2745 344.34      
2 A1 1555 1477 154.18      
3 A1 1172 1113 274.85      
4 A1 539 512 14.28      
5 E 2894 2748 153.35      
5 E 2894 2748 153.33      
6 E 1580 1500 2.89      
6 E 1580 1500 2.89      
7 E 1191 1131 9.62      
7 E 1191 1131 9.62      
8 E 138 131 30.06      
8 E 138 131 30.06      

Unscaled Zero Point Vibrational Energy (zpe) 8881.0 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 8433.4 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 mPW1PW91/3-21G*
ABC
5.38661 0.15603 0.15603

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.634
O2 0.000 0.000 -0.238
C3 0.000 0.000 -1.638
H4 0.000 1.017 -2.082
H5 0.881 -0.509 -2.082
H6 -0.881 -0.509 -2.082

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.87173.27223.85313.85313.8531
O21.87171.40052.10652.10652.1065
C33.27221.40051.11011.11011.1101
H43.85312.10651.11011.76221.7622
H53.85312.10651.11011.76221.7622
H63.85312.10651.11011.76221.7622

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 113.581
O2 C3 H5 113.581 O2 C3 H6 113.581
H4 C3 H5 105.067 H4 C3 H6 105.067
H5 C3 H6 105.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.483      
2 O -0.602      
3 C -0.311      
4 H 0.143      
5 H 0.143      
6 H 0.143      


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 6.166 6.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.343 0.000 0.000
y 0.000 -19.343 0.000
z 0.000 0.000 -6.338
Traceless
 xyz
x -6.503 0.000 0.000
y 0.000 -6.503 0.000
z 0.000 0.000 13.005
Polar
3z2-r226.011
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 3.926 0.000 0.000
y 0.000 3.926 0.001
z 0.000 0.001 6.596


<r2> (average value of r2) Å2
<r2> 71.412
(<r2>)1/2 8.451