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: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-166.392586
Energy at 298.15K 
HF Energy-166.392586
Nuclear repulsion energy49.097210
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 HSEh1PBE/6-311G**
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 4049 3888 68.21      
2 A1 754 724 8.04      
3 A1 576 553 158.63      
4 A1 318 306 7.18      
5 A2 205i 197i 0.00      
6 B1 379 364 92.25      
7 B2 4046 3886 154.19      
8 B2 1551 1490 353.27      
9 B2 448 430 301.50      

Unscaled Zero Point Vibrational Energy (zpe) 5957.6 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5721.7 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 HSEh1PBE/6-311G**
ABC
17.53798 0.23035 0.22736

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.033
O2 0.000 1.422 0.072
O3 0.000 -1.422 0.072
H4 0.000 2.052 -0.640
H5 0.000 -2.052 -0.640

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42271.42272.15942.1594
O21.42272.84420.95063.5463
O31.42272.84423.54630.9506
H42.15940.95063.54634.1039
H52.15943.54630.95064.1039

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 129.921 Be1 O3 H5 129.921
O2 Be1 O3 176.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.387      
2 O -0.466      
3 O -0.466      
4 H 0.273      
5 H 0.273      


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 -2.503 2.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.686 0.000 0.000
y 0.000 -14.811 0.000
z 0.000 0.000 -14.289
Traceless
 xyz
x -2.136 0.000 0.000
y 0.000 0.677 0.000
z 0.000 0.000 1.459
Polar
3z2-r22.918
x2-y2-1.875
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.170 0.000 0.000
y 0.000 3.636 0.000
z 0.000 0.000 2.356


<r2> (average value of r2) Å2
<r2> 51.218
(<r2>)1/2 7.157

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-166.393204
Energy at 298.15K-166.394749
HF Energy-166.393204
Nuclear repulsion energy49.074409
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 HSEh1PBE/6-311G**
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 4031 3872 42.36      
2 A 749 719 3.68      
3 A 570 548 105.81      
4 A 330 317 29.05      
5 A 233 224 103.69      
6 B 4029 3870 164.44      
7 B 1549 1487 347.04      
8 B 545 524 326.10      
9 B 328 315 101.62      

Unscaled Zero Point Vibrational Energy (zpe) 6182.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5937.4 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 HSEh1PBE/6-311G**
ABC
16.25002 0.22924 0.22867

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.035
O2 0.000 1.424 -0.055
O3 0.000 -1.424 -0.055
H4 0.488 2.012 0.512
H5 -0.488 -2.012 0.512

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42441.42442.14162.1416
O21.42442.84850.95173.5171
O31.42442.84853.51710.9517
H42.14160.95173.51714.1414
H52.14163.51710.95174.1414

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 127.536 Be1 O3 H5 127.536
O2 Be1 O3 178.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.390      
2 O -0.468      
3 O -0.468      
4 H 0.273      
5 H 0.273      


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 1.954 1.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.379 4.067 0.000
y 4.067 -15.534 0.000
z 0.000 0.000 -15.178
Traceless
 xyz
x -0.023 4.067 0.000
y 4.067 -0.256 0.000
z 0.000 0.000 0.279
Polar
3z2-r20.557
x2-y20.156
xy4.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.265 0.139 0.000
y 0.139 3.622 0.000
z 0.000 0.000 2.319


<r2> (average value of r2) Å2
<r2> 51.205
(<r2>)1/2 7.156