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

using model chemistry: QCISD(T)/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 QCISD(T)/6-31G*
 hartrees
Energy at 0K-276.651982
Energy at 298.15K-276.655675
HF Energy-276.302089
Nuclear repulsion energy72.747706
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 QCISD(T)/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 2877 2760        
2 A1 1540 1478        
3 A1 1217 1168        
4 A1 488 468        
5 E 2894 2776        
5 E 2894 2776        
6 E 1539 1477        
6 E 1539 1476        
7 E 1205 1156        
7 E 1203 1154        
8 E 104 100        
8 E 98 94        

Unscaled Zero Point Vibrational Energy (zpe) 8799.4 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 8441.3 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 QCISD(T)/6-31G*
ABC
5.31308 0.15004 0.15004

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.675
O2 0.000 0.000 -0.276
C3 0.000 0.000 -1.656
H4 0.000 1.024 -2.095
H5 0.887 -0.512 -2.095
H6 -0.887 -0.512 -2.095

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.95113.33153.90703.90703.9070
O21.95111.38032.08782.08782.0878
C33.33151.38031.11451.11451.1145
H43.90702.08781.11451.77431.7743
H53.90702.08781.11451.77431.7743
H63.90702.08781.11451.77431.7743

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 113.191
O2 C3 H5 113.191 O2 C3 H6 113.191
H4 C3 H5 105.509 H4 C3 H6 105.509
H5 C3 H6 105.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability