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

using model chemistry: QCISD/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/6-31G**
 hartrees
Energy at 0K-276.670906
Energy at 298.15K-276.674602
HF Energy-276.307378
Nuclear repulsion energy72.898625
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/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 2937 2765 320.29      
2 A1 1553 1462 168.53      
3 A1 1232 1160 290.40      
4 A1 487 459 32.69      
5 E 2960 2786 162.40      
5 E 2960 2786 162.39      
6 E 1555 1464 5.90      
6 E 1555 1464 5.90      
7 E 1217 1146 1.58      
7 E 1217 1146 1.58      
8 E 99 93 31.91      
8 E 99 93 31.91      

Unscaled Zero Point Vibrational Energy (zpe) 8935.1 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 8411.5 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/6-31G**
ABC
5.39602 0.15032 0.15032

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.674
O2 0.000 0.000 -0.277
C3 0.000 0.000 -1.654
H4 0.000 1.017 -2.091
H5 0.880 -0.508 -2.091
H6 -0.880 -0.508 -2.091

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.95173.32833.90053.90053.9005
O21.95171.37662.07942.07942.0794
C33.32831.37661.10661.10661.1066
H43.90052.07941.10661.76061.7606
H53.90052.07941.10661.76061.7606
H63.90052.07941.10661.76061.7606

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 113.281
O2 C3 H5 113.281 O2 C3 H6 113.281
H4 C3 H5 105.407 H4 C3 H6 105.407
H5 C3 H6 105.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability