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

using model chemistry: MP2/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 MP2/STO-3G
 hartrees
Energy at 0K-272.880361
Energy at 298.15K 
HF Energy-272.794905
Nuclear repulsion energy75.673788
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 MP2/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 3067 2674 253.59      
2 A1 1802 1571 100.31      
3 A1 1341 1169 241.18      
4 A1 685 597 71.74      
5 E 3148 2745 152.08      
5 E 3148 2745 152.08      
6 E 1797 1567 6.47      
6 E 1797 1567 6.47      
7 E 1306 1138 8.86      
7 E 1306 1138 8.86      
8 E 234i 204i 26.81      
8 E 234i 204i 26.81      

Unscaled Zero Point Vibrational Energy (zpe) 9464.4 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 8252.0 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 MP2/STO-3G
ABC
5.29700 0.16718 0.16718

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.574
O2 0.000 0.000 -0.209
C3 0.000 0.000 -1.575
H4 0.000 1.026 -2.065
H5 0.889 -0.513 -2.065
H6 -0.889 -0.513 -2.065

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.78343.14943.78133.78133.7813
O21.78341.36602.12072.12072.1207
C33.14941.36601.13701.13701.1370
H43.78132.12071.13701.77701.7770
H53.78132.12071.13701.77701.7770
H63.78132.12071.13701.77701.7770

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 115.528
O2 C3 H5 115.528 O2 C3 H6 115.528
H4 C3 H5 102.792 H4 C3 H6 102.792
H5 C3 H6 102.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability