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

using model chemistry: QCISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-583.354009
Energy at 298.15K-583.356868
HF Energy-582.885435
Nuclear repulsion energy255.495324
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/3-21G*
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 1212 1164 462.64      
2 A1 885 851 117.45      
3 A1 676 650 0.35      
4 A1 376 361 48.54      
5 A1 228 219 16.38      
6 A2 113 109 0.00      
7 B1 782 752 36.13      
8 B1 102 98 51.84      
9 B2 1537 1477 595.85      
10 B2 718 690 30.91      
11 B2 399 383 90.36      
12 B2 373 358 56.17      

Unscaled Zero Point Vibrational Energy (zpe) 3700.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 3556.3 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/3-21G*
ABC
0.20073 0.06734 0.05042

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.590
O2 0.000 0.000 0.837
O3 0.000 1.161 -1.185
O4 0.000 -1.161 -1.185
Na5 0.000 2.123 0.718
Na6 0.000 -2.123 0.718

Atom - Atom Distances (Å)
  C1 O2 O3 O4 Na5 Na6
C11.42701.30441.30442.49372.4937
O21.42702.33142.33142.12632.1263
O31.30442.33142.32202.13233.7954
O41.30442.33142.32203.79542.1323
Na52.49372.12632.13233.79544.2459
Na62.49372.12633.79542.13234.2459

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 86.797 C1 O2 Na6 86.797
C1 O3 Na5 89.694 C1 O4 Na6 89.694
O2 C1 O3 117.124 O2 C1 O4 117.124
O2 Na5 O3 66.385 O2 Na6 O4 66.385
O3 C1 O4 125.751 Na5 O2 Na6 173.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability