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: B1B95/6-31+G**

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 B1B95/6-31+G**
 hartrees
Energy at 0K-166.467744
Energy at 298.15K 
HF Energy-166.467744
Nuclear repulsion energy48.994118
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 B1B95/6-31+G**
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 4090 3913 61.63      
2 A1 742 710 3.83      
3 A1 506 484 278.60      
4 A1 288 276 0.49      
5 A2 180i 172i 0.00      
6 B1 382 365 92.07      
7 B2 4088 3911 223.88      
8 B2 1538 1471 478.69      
9 B2 352 336 263.79      

Unscaled Zero Point Vibrational Energy (zpe) 5902.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5646.6 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 B1B95/6-31+G**
ABC
23.46579 0.22795 0.22576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.005
O2 0.000 1.422 0.067
O3 0.000 -1.422 0.067
H4 0.000 2.147 -0.546
H5 0.000 -2.147 -0.546

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42311.42312.21652.2165
O21.42312.84350.94983.6210
O31.42312.84353.62100.9498
H42.21650.94983.62104.2938
H52.21653.62100.94984.2938

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 137.254 Be1 O3 H5 137.254
O2 Be1 O3 174.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 1.045      
2 O -0.896      
3 O -0.896      
4 H 0.373      
5 H 0.373      


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 -2.440 2.440
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.034 0.000 0.000
y 0.000 -13.904 0.000
z 0.000 0.000 -15.125
Traceless
 xyz
x -2.520 0.000 0.000
y 0.000 2.175 0.000
z 0.000 0.000 0.345
Polar
3z2-r20.689
x2-y2-3.130
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.317 0.000 0.000
y 0.000 4.089 0.000
z 0.000 0.000 2.304


<r2> (average value of r2) Å2
<r2> 51.819
(<r2>)1/2 7.199

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-166.468347
Energy at 298.15K-166.469651
HF Energy-166.468347
Nuclear repulsion energy48.956221
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 B1B95/6-31+G**
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 4072 3896 26.81      
2 A 737 705 0.95      
3 A 487 466 150.73      
4 A 322 308 22.07      
5 A 173 166 193.95      
6 B 4070 3894 237.74      
7 B 1533 1467 466.02      
8 B 495 474 367.19      
9 B 300 287 116.78      

Unscaled Zero Point Vibrational Energy (zpe) 6094.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5830.3 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 B1B95/6-31+G**
ABC
20.58262 0.22711 0.22657

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.009
O2 0.000 1.425 -0.044
O3 0.000 -1.425 -0.044
H4 0.530 2.099 0.367
H5 -0.530 -2.099 0.367

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42541.42542.19732.1973
O21.42542.84990.95093.5872
O31.42542.84993.58720.9509
H42.19730.95093.58724.3299
H52.19733.58720.95094.3299

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 134.263 Be1 O3 H5 134.263
O2 Be1 O3 177.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 1.036      
2 O -0.887      
3 O -0.887      
4 H 0.369      
5 H 0.369      


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 1.604 1.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.371 4.939 0.000
y 4.939 -14.938 0.000
z 0.000 0.000 -16.184
Traceless
 xyz
x 0.190 4.939 0.000
y 4.939 0.839 0.000
z 0.000 0.000 -1.030
Polar
3z2-r2-2.059
x2-y2-0.433
xy4.939
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.327 0.036 0.000
y 0.036 4.088 0.000
z 0.000 0.000 2.335


<r2> (average value of r2) Å2
<r2> 51.842
(<r2>)1/2 7.200