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 Be(OH)2 (Beryllium hydroxide)

using model chemistry: B97D3/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at B97D3/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at B97D3/aug-cc-pVQZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-166.521918
Energy at 298.15K-166.523319
HF Energy-166.521918
Nuclear repulsion energy48.628064
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 B97D3/aug-cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3913 3913 18.49      
2 A 720 720 2.03      
3 A 552 552 78.94      
4 A 309 309 29.86      
5 A 185 185 117.77      
6 B 3912 3912 156.35      
7 B 1481 1481 397.02      
8 B 547 547 307.99      
9 B 306 306 62.51      

Unscaled Zero Point Vibrational Energy (zpe) 5962.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5962.7 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 B97D3/aug-cc-pVQZ
ABC
17.57178 0.22423 0.22396

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.007
O2 0.000 1.437 -0.054
O3 0.000 -1.437 -0.054
H4 0.542 2.064 0.421
H5 -0.542 -2.064 0.421

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43871.43872.17362.1736
O21.43872.87470.95503.5746
O31.43872.87473.57460.9550
H42.17360.95503.57464.2677
H52.17363.57460.95504.2677

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 129.367 Be1 O3 H5 129.367
O2 Be1 O3 175.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 1.207      
2 O -0.866      
3 O -0.866      
4 H 0.263      
5 H 0.263      


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 1.566 1.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.543 4.269 0.000
y 4.269 -16.104 0.000
z 0.000 0.000 -16.094
Traceless
 xyz
x 0.556 4.269 0.000
y 4.269 -0.285 0.000
z 0.000 0.000 -0.271
Polar
3z2-r2-0.541
x2-y20.561
xy4.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.457 0.028 0.000
y 0.028 4.532 0.000
z 0.000 0.000 3.462


<r2> (average value of r2) Å2
<r2> 52.503
(<r2>)1/2 7.246