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

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 C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-277.329779
Energy at 298.15K-277.333404
HF Energy-277.329779
Nuclear repulsion energy73.332302
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 A1 2853 2730 399.73      
2 A1 1532 1466 159.89      
3 A1 1240 1187 318.52      
4 A1 481 460 32.39      
5 E 2857 2733 182.67      
5 E 2857 2733 182.66      
6 E 1519 1453 5.40      
6 E 1519 1453 5.40      
7 E 1200 1148 4.23      
7 E 1200 1148 4.23      
8 E 84 80 27.22      
8 E 84 80 27.22      

Unscaled Zero Point Vibrational Energy (zpe) 8712.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8335.4 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
5.35008 0.15271 0.15271

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.661
O2 0.000 0.000 -0.274
C3 0.000 0.000 -1.637
H4 0.000 1.021 -2.085
H5 0.884 -0.510 -2.085
H6 -0.884 -0.510 -2.085

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.93543.29843.88323.88323.8832
O21.93541.36302.07912.07912.0791
C33.29841.36301.11491.11491.1149
H43.88322.07911.11491.76821.7682
H53.88322.07911.11491.76821.7682
H63.88322.07911.11491.76821.7682

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 113.707
O2 C3 H5 113.707 O2 C3 H6 113.707
H4 C3 H5 104.923 H4 C3 H6 104.923
H5 C3 H6 104.923
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 Na 0.627      
2 O -0.693      
3 C -0.186      
4 H 0.084      
5 H 0.084      
6 H 0.084      


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 7.180 7.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.080 0.000 0.000
y 0.000 -19.080 0.000
z 0.000 0.000 -6.379
Traceless
 xyz
x -6.351 0.000 0.000
y 0.000 -6.351 0.000
z 0.000 0.000 12.701
Polar
3z2-r225.403
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 4.020 0.000 0.000
y 0.000 4.020 -0.000
z 0.000 -0.000 6.448


<r2> (average value of r2) Å2
<r2> 72.486
(<r2>)1/2 8.514