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-pVDZ

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

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-166.460168
Energy at 298.15K-166.461508
HF Energy-166.460168
Nuclear repulsion energy48.146014
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-pVDZ
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 3885 3885 17.21      
2 A 691 691 1.30      
3 A 568 568 73.32      
4 A 275 275 21.20      
5 A 196 196 127.15      
6 B 3884 3884 144.58      
7 B 1451 1451 382.27      
8 B 564 564 298.60      
9 B 267 267 56.81      

Unscaled Zero Point Vibrational Energy (zpe) 5890.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5890.3 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 B97D3/aug-cc-pVDZ
ABC
16.26009 0.21967 0.21944

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.019
O2 0.000 1.454 -0.059
O3 0.000 -1.454 -0.059
H4 0.559 2.060 0.434
H5 -0.559 -2.060 0.434

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45621.45622.17432.1743
O21.45622.90820.96053.5921
O31.45622.90823.59210.9605
H42.17430.96053.59214.2687
H52.17433.59210.96054.2687

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 127.025 Be1 O3 H5 127.025
O2 Be1 O3 173.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.003      
2 O -0.103      
3 O -0.103      
4 H 0.105      
5 H 0.105      


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 1.666 1.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.672 4.323 0.000
y 4.323 -16.476 0.000
z 0.000 0.000 -16.247
Traceless
 xyz
x 0.689 4.323 0.000
y 4.323 -0.516 0.000
z 0.000 0.000 -0.173
Polar
3z2-r2-0.345
x2-y20.804
xy4.323
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.374 0.050 0.000
y 0.050 4.612 0.000
z 0.000 0.000 3.377


<r2> (average value of r2) Å2
<r2> 53.451
(<r2>)1/2 7.311