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

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-274.944403
Energy at 298.15K-274.948292
HF Energy-274.701292
Nuclear repulsion energy72.881874
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/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 2885 2773 272.05      
2 A1 1547 1486 213.55      
3 A1 1117 1074 249.48      
4 A1 542 521 6.16      
5 E 2890 2777 113.60      
5 E 2890 2777 113.59      
6 E 1584 1523 4.25      
6 E 1584 1523 4.26      
7 E 1185 1139 9.73      
7 E 1185 1139 9.73      
8 E 149 144 29.30      
8 E 149 144 29.30      

Unscaled Zero Point Vibrational Energy (zpe) 8853.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 8509.0 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/3-21G*
ABC
5.31704 0.15230 0.15230

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.652
O2 0.000 0.000 -0.235
C3 0.000 0.000 -1.666
H4 0.000 1.024 -2.098
H5 0.887 -0.512 -2.098
H6 -0.887 -0.512 -2.098

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.88723.31813.88773.88773.8877
O21.88721.43092.12612.12612.1261
C33.31811.43091.11151.11151.1115
H43.88772.12611.11151.77371.7737
H53.88772.12611.11151.77371.7737
H63.88772.12611.11151.77371.7737

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 112.887
O2 C3 H5 112.887 O2 C3 H6 112.887
H4 C3 H5 105.850 H4 C3 H6 105.850
H5 C3 H6 105.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability