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 Na2CO3 (Sodium Carbonate)

using model chemistry: QCISD(T)/aug-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)/aug-cc-pVTZ
 hartrees
Energy at 0K-587.340928
Energy at 298.15K-587.343725
HF Energy-586.414683
Nuclear repulsion energy253.496408
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)/aug-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 1323 1279        
2 A1 989 956        
3 A1 699 676        
4 A1 347 336        
5 A1 189 183        
6 A2 101 98        
7 B1 856 827        
8 B1 105 101        
9 B2 1557 1505        
10 B2 726 702        
11 B2 371 359        
12 B2 348 337        

Unscaled Zero Point Vibrational Energy (zpe) 3805.7 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 3679.4 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)/aug-cc-pVTZ
ABC
0.20584 0.06291 0.04818

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.571
O2 0.000 0.000 0.786
O3 0.000 1.129 -1.174
O4 0.000 -1.129 -1.174
Na5 0.000 2.223 0.723
Na6 0.000 -2.223 0.723

Atom - Atom Distances (Å)
  C1 O2 O3 O4 Na5 Na6
C11.35671.27991.27992.57222.5722
O21.35672.26152.26152.22372.2237
O31.27992.26152.25822.18983.8516
O41.27992.26152.25823.85162.1898
Na52.57222.22372.18983.85164.4457
Na62.57222.22373.85162.18984.4457

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 88.393 C1 O2 Na6 88.393
C1 O3 Na5 91.869 C1 O4 Na6 91.869
O2 C1 O3 118.097 O2 C1 O4 118.097
O2 Na5 O3 61.642 O2 Na6 O4 61.642
O3 C1 O4 123.807 Na5 O2 Na6 176.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability