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: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-277.482189
Energy at 298.15K-277.485840
HF Energy-277.482189
Nuclear repulsion energy72.731749
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 TPSSh/cc-pVTZ
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 2842 2752 311.61      
2 A1 1482 1435 66.19      
3 A1 1176 1139 299.44      
4 A1 455 441 35.27      
5 E 2843 2752 168.50      
5 E 2843 2752 168.53      
6 E 1496 1448 2.52      
6 E 1496 1448 2.52      
7 E 1174 1137 2.04      
7 E 1174 1137 2.04      
8 E 96 93 33.61      
8 E 96 93 33.62      

Unscaled Zero Point Vibrational Energy (zpe) 8586.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8314.7 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 TPSSh/cc-pVTZ
ABC
5.34712 0.14944 0.14944

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.669
O2 0.000 0.000 -0.277
C3 0.000 0.000 -1.648
H4 0.000 1.020 -2.087
H5 0.883 -0.510 -2.087
H6 -0.883 -0.510 -2.087

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.94613.31713.89183.89183.8918
O21.94611.37102.07722.07722.0772
C33.31711.37101.11011.11011.1101
H43.89182.07721.11011.76621.7662
H53.89182.07721.11011.76621.7662
H63.89182.07721.11011.76621.7662

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 113.279
O2 C3 H5 113.279 O2 C3 H6 113.279
H4 C3 H5 105.409 H4 C3 H6 105.409
H5 C3 H6 105.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.598      
2 O -0.615      
3 C -0.025      
4 H 0.014      
5 H 0.014      
6 H 0.014      


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 7.682 7.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.757 0.000 0.000
y 0.000 4.758 -0.001
z 0.000 -0.001 6.097


<r2> (average value of r2) Å2
<r2> 73.796
(<r2>)1/2 8.590