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: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-583.354854
Energy at 298.15K-583.357702
HF Energy-582.884443
Nuclear repulsion energy255.290984
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 MP2/3-21G*
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 1207 1148 465.44      
2 A1 881 838 148.87      
3 A1 677 644 0.04      
4 A1 375 357 50.26      
5 A1 230 219 15.36      
6 A2 108 103 0.00      
7 B1 778 740 25.99      
8 B1 99 94 53.28      
9 B2 1560 1484 613.37      
10 B2 719 684 33.35      
11 B2 402 382 78.18      
12 B2 372 354 63.07      

Unscaled Zero Point Vibrational Energy (zpe) 3703.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 3523.5 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 MP2/3-21G*
ABC
0.19959 0.06749 0.05044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.591
O2 0.000 0.000 0.843
O3 0.000 1.162 -1.188
O4 0.000 -1.162 -1.188
Na5 0.000 2.120 0.719
Na6 0.000 -2.120 0.719

Atom - Atom Distances (Å)
  C1 O2 O3 O4 Na5 Na6
C11.43361.30691.30692.49152.4915
O21.43362.34022.34022.12322.1232
O31.30692.34022.32462.13393.7958
O41.30692.34022.32463.79582.1339
Na52.49152.12322.13393.79584.2391
Na62.49152.12323.79582.13394.2391

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 86.652 C1 O2 Na6 86.652
C1 O3 Na5 89.447 C1 O4 Na6 89.447
O2 C1 O3 117.206 O2 C1 O4 117.206
O2 Na5 O3 66.695 O2 Na6 O4 66.695
O3 C1 O4 125.588 Na5 O2 Na6 173.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability