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All results from a given calculation for Na2CO3 (Sodium Carbonate)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-587.316591
Energy at 298.15K-587.319430
HF Energy-586.410771
Nuclear repulsion energy253.847950
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)/cc-pVTZ
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 1331 1263        
2 A1 992 941        
3 A1 705 668        
4 A1 353 335        
5 A1 194 184        
6 A2 106 101        
7 B1 861 816        
8 B1 105 100        
9 B2 1575 1494        
10 B2 733 696        
11 B2 376 357        
12 B2 355 337        

Unscaled Zero Point Vibrational Energy (zpe) 3842.3 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 3644.8 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)/cc-pVTZ
ABC
0.20604 0.06320 0.04836

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.570
O2 0.000 0.000 0.787
O3 0.000 1.128 -1.173
O4 0.000 -1.128 -1.173
Na5 0.000 2.217 0.722
Na6 0.000 -2.217 0.722

Atom - Atom Distances (Å)
  C1 O2 O3 O4 Na5 Na6
C11.35711.27891.27892.56652.5665
O21.35712.26162.26162.21832.2183
O31.27892.26162.25532.18653.8448
O41.27892.26162.25533.84482.1865
Na52.56652.21832.18653.84484.4347
Na62.56652.21833.84482.18654.4347

picture of Sodium Carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 Na5 88.326 C1 O2 Na6 88.326
C1 O3 Na5 91.746 C1 O4 Na6 91.746
O2 C1 O3 118.146 O2 C1 O4 118.146
O2 Na5 O3 61.782 O2 Na6 O4 61.782
O3 C1 O4 123.707 Na5 O2 Na6 176.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability