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: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-278.504713
Energy at 298.15K-278.505946
HF Energy-278.504713
Nuclear repulsion energy138.810949
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 M06-2X/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2000 1904 426.88      
2 A1 1167 1111 125.22      
3 A1 914 870 166.84      
4 A1 760 724 68.80      
5 B1 817 778 37.45      
6 B1 302 288 74.11      
7 B2 1281 1220 420.98      
8 B2 803 764 60.85      
9 B2 592 564 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 4317.3 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 4111.8 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 M06-2X/6-31G(2df,p)
ABC
0.43500 0.25613 0.16121

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.332
O2 0.000 0.000 1.512
Be3 0.000 0.000 -1.475
O4 0.000 1.101 -0.512
O5 0.000 -1.101 -0.512

Atom - Atom Distances (Å)
  C1 O2 Be3 O4 O5
C11.18011.80651.38651.3865
O21.18012.98662.30332.3033
Be31.80652.98661.46261.4626
O41.38652.30331.46262.2013
O51.38652.30331.46262.2013

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 78.648 C1 O5 Be3 78.648
O2 C1 O4 127.457 O2 C1 O5 127.457
O4 C1 O5 105.086 O4 Be3 O5 97.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.731      
2 O -0.378      
3 Be 0.136      
4 O -0.244      
5 O -0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -6.329 6.329
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.569 0.000 0.000
y 0.000 -30.595 0.000
z 0.000 0.000 -16.502
Traceless
 xyz
x -0.021 0.000 0.000
y 0.000 -10.560 0.000
z 0.000 0.000 10.580
Polar
3z2-r221.161
x2-y27.026
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.714 0.000 0.000
y 0.000 3.390 0.000
z 0.000 0.000 5.445


<r2> (average value of r2) Å2
<r2> 65.926
(<r2>)1/2 8.119