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 BeCO3 (Beryllium Carbonate)

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-54.371645
Energy at 298.15K-54.372743
HF Energy-53.661637
Nuclear repulsion energy66.054147
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/CEP-121G*
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 1873 1784 394.37      
2 A1 1085 1034 135.34      
3 A1 837 797 170.22      
4 A1 732 698 81.81      
5 B1 754 718 28.59      
6 B1 298 284 78.68      
7 B2 1195 1139 389.23      
8 B2 725 691 92.64      
9 B2 555 529 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 4026.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 3836.5 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/CEP-121G*
ABC
0.41606 0.24672 0.15488

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.340
O2 0.000 0.000 1.543
Be3 0.000 0.000 -1.491
O4 0.000 1.125 -0.526
O5 0.000 -1.125 -0.526

Atom - Atom Distances (Å)
  C1 O2 Be3 O4 O5
C11.20361.83051.41981.4198
O21.20363.03412.35552.3555
Be31.83053.03411.48241.4824
O41.41982.35551.48242.2508
O51.41982.35551.48242.2508

picture of Beryllium Carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 Be3 78.174 C1 O5 Be3 78.174
O2 C1 O4 127.566 O2 C1 O5 127.566
O4 C1 O5 104.868 O4 Be3 O5 98.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability