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: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-276.742458
Energy at 298.15K-276.746190
HF Energy-276.358968
Nuclear repulsion energy72.591765
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 CCSD/TZVP
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 2902 2770 267.38      
2 A1 1531 1461 80.23      
3 A1 1216 1160 266.40      
4 A1 459 438 42.52      
5 E 2913 2780 191.12      
5 E 2913 2780 191.11      
6 E 1512 1443 3.28      
6 E 1512 1443 3.28      
7 E 1212 1157 0.01      
7 E 1212 1157 0.01      
8 E 115 110 48.89      
8 E 115 110 48.89      

Unscaled Zero Point Vibrational Energy (zpe) 8805.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8403.5 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 CCSD/TZVP
ABC
5.37481 0.14842 0.14842

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.688
O2 0.000 0.000 -0.289
C3 0.000 0.000 -1.660
H4 0.000 1.019 -2.096
H5 0.882 -0.509 -2.096
H6 -0.882 -0.509 -2.096

Atom - Atom Distances (Å)
  Na1 O2 C3 H4 H5 H6
Na11.97653.34803.91823.91823.9182
O21.97651.37152.07432.07432.0743
C33.34801.37151.10771.10771.1077
H43.91822.07431.10771.76411.7641
H53.91822.07431.10771.76411.7641
H63.91822.07431.10771.76411.7641

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 113.152
O2 C3 H5 113.152 O2 C3 H6 113.152
H4 C3 H5 105.552 H4 C3 H6 105.552
H5 C3 H6 105.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability