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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-273.753043
Energy at 298.15K 
HF Energy-273.753043
Nuclear repulsion energy75.549677
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/STO-3G
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 2956 2616 379.33      
2 A1 1774 1570 114.80      
3 A1 1356 1200 272.97      
4 A1 668 591 71.00      
5 E 2972 2630 176.67      
5 E 2972 2630 176.67      
6 E 1727 1529 4.20      
6 E 1727 1529 4.20      
7 E 1281 1134 3.78      
7 E 1281 1134 3.78      
8 E 224i 199i 21.43      
8 E 224i 199i 21.43      

Unscaled Zero Point Vibrational Energy (zpe) 9133.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 8083.2 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/STO-3G
ABC
5.28703 0.16636 0.16636

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.581
O2 0.000 0.000 -0.217
C3 0.000 0.000 -1.573
H4 0.000 1.027 -2.070
H5 0.889 -0.513 -2.070
H6 -0.889 -0.513 -2.070

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.79753.15383.79253.79253.7925
O21.79751.35632.11882.11882.1188
C33.15381.35631.14091.14091.1409
H43.79252.11881.14091.77871.7787
H53.79252.11881.14091.77871.7787
H63.79252.11881.14091.77871.7787

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 115.828
O2 C3 H5 115.828 O2 C3 H6 115.828
H4 C3 H5 102.432 H4 C3 H6 102.432
H5 C3 H6 102.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.677      
2 O -0.518      
3 C -0.109      
4 H -0.017      
5 H -0.017      
6 H -0.017      


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 7.721 7.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.236 0.000 0.000
y 0.000 -16.236 0.000
z 0.000 0.000 -8.044
Traceless
 xyz
x -4.096 0.000 0.000
y 0.000 -4.096 0.000
z 0.000 0.000 8.192
Polar
3z2-r216.384
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 1.054 0.000 0.000
y 0.000 1.054 0.000
z 0.000 0.000 3.313


<r2> (average value of r2) Å2
<r2> 67.162
(<r2>)1/2 8.195