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: wB97X-D/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 no C2 1A
1 3 yes D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-166.422884
Energy at 298.15K 
HF Energy-166.422884
Nuclear repulsion energy49.420294
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 wB97X-D/6-31G
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-166.422889
Energy at 298.15K-166.423716
HF Energy-166.422889
Nuclear repulsion energy49.409239
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 wB97X-D/6-31G
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 4158 4158 0.00      
2 A 795 795 0.00      
3 A 414 414 152.25      
4 A 213 213 480.31      
5 A 204 204 0.00      
6 B 4156 4156 366.48      
7 B 1712 1712 441.34      
8 B 273 273 1.24      
9 B 212 212 454.03      

Unscaled Zero Point Vibrational Energy (zpe) 6068.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6068.7 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 wB97X-D/6-31G
B
0.22824

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 1.401 -0.000
O3 0.000 -1.401 -0.000
H4 0.001 2.345 0.000
H5 -0.001 -2.345 0.000

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40081.40082.34512.3451
O21.40082.80170.94433.7460
O31.40082.80173.74600.9443
H42.34510.94433.74604.6903
H52.34513.74600.94434.6903

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 179.951 Be1 O3 H5 179.951
O2 Be1 O3 179.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.704      
2 O -0.755      
3 O -0.755      
4 H 0.403      
5 H 0.403      


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 0.003 0.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.330 0.007 0.000
y 0.007 -7.358 0.000
z 0.000 0.000 -16.330
Traceless
 xyz
x -4.486 0.007 0.000
y 0.007 8.973 0.000
z 0.000 0.000 -4.486
Polar
3z2-r2-8.973
x2-y2-8.973
xy0.007
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.242 0.000 0.000
y 0.000 3.512 0.000
z 0.000 0.000 1.242


<r2> (average value of r2) Å2
<r2> 50.728
(<r2>)1/2 7.122

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-166.422889
Energy at 298.15K-166.423762
HF Energy-166.422889
Nuclear repulsion energy49.407570
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 wB97X-D/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 4158 4158 0.00      
2 Σg 795 795 0.00      
3 Σu 4156 4156 366.48      
4 Σu 1712 1712 441.35      
5 Πg 205 205 0.00      
5 Πg 205 205 0.00      
6 Πu 414 414 152.19      
6 Πu 414 414 152.19      
7 Πu 213 213 480.37      
7 Πu 213 213 480.37      

Unscaled Zero Point Vibrational Energy (zpe) 6242.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6242.5 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 wB97X-D/6-31G
B
0.22822

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
O2 0.000 0.000 1.401
O3 0.000 0.000 -1.401
H4 0.000 0.000 2.345
H5 0.000 0.000 -2.345

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40091.40092.34522.3452
O21.40092.80180.94433.7461
O31.40092.80183.74610.9443
H42.34520.94433.74614.6904
H52.34523.74610.94434.6904

picture of Beryllium hydroxide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 180.000 Be1 O3 H5 180.000
O2 Be1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.704      
2 O -0.755      
3 O -0.755      
4 H 0.403      
5 H 0.403      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.330 0.000 0.000
y 0.000 -16.330 0.000
z 0.000 0.000 -7.358
Traceless
 xyz
x -4.486 0.000 0.000
y 0.000 -4.486 0.000
z 0.000 0.000 8.972
Polar
3z2-r217.945
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.242 0.000 0.000
y 0.000 1.242 0.000
z 0.000 0.000 3.512


<r2> (average value of r2) Å2
<r2> 50.732
(<r2>)1/2 7.123