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/STO-3G

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
1 3 no D*H 1Σg

Conformer 1 (C2V)

Jump to S1C2 S1C3
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-164.169783
Energy at 298.15K 
HF Energy-164.169783
Nuclear repulsion energy49.945673
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/STO-3G
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 4124 4124 7.64      
2 A1 898 898 11.74      
3 A1 497 497 109.04      
4 A1 286 286 3.18      
5 A2 362i 362i 0.00      
6 B1 327 327 9.30      
7 B2 4120 4120 25.81      
8 B2 1812 1812 193.29      
9 B2 197 197 314.43      

Unscaled Zero Point Vibrational Energy (zpe) 5949.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5949.4 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 wB97X-D/STO-3G
ABC
19.39159 0.24490 0.24185

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.133
O2 0.000 1.362 0.092
O3 0.000 -1.362 0.092
H4 0.000 2.173 -0.474
H5 0.000 -2.173 -0.474

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.38021.38022.19932.1993
O21.38022.72350.98903.5795
O31.38022.72353.57950.9890
H42.19930.98903.57954.3455
H52.19933.57950.98904.3455

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 135.697 Be1 O3 H5 135.697
O2 Be1 O3 161.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.237      
2 O -0.339      
3 O -0.339      
4 H 0.220      
5 H 0.220      


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 -1.869 1.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.807 0.000 0.000
y 0.000 -8.751 0.000
z 0.000 0.000 -13.802
Traceless
 xyz
x -3.531 0.000 0.000
y 0.000 5.554 0.000
z 0.000 0.000 -2.024
Polar
3z2-r2-4.047
x2-y2-6.056
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.640 0.000 0.000
y 0.000 3.549 0.000
z 0.000 0.000 0.985


<r2> (average value of r2) Å2
<r2> 47.545
(<r2>)1/2 6.895

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-164.172282
Energy at 298.15K-164.173754
HF Energy-164.172282
Nuclear repulsion energy49.535971
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/STO-3G
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 4054 4054 5.45      
2 A 869 869 8.12      
3 A 579 579 50.26      
4 A 434 434 63.10      
5 A 277 277 1.44      
6 B 4058 4058 11.96      
7 B 1773 1773 167.39      
8 B 518 518 337.14      
9 B 294 294 51.69      

Unscaled Zero Point Vibrational Energy (zpe) 6427.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6427.8 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/STO-3G
ABC
14.49816 0.23949 0.23929

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.084
O2 0.000 1.386 -0.075
O3 0.000 -1.386 -0.075
H4 0.557 2.033 0.435
H5 -0.557 -2.033 0.435

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39491.39492.13672.1367
O21.39492.77160.99483.5009
O31.39492.77163.50090.9948
H42.13670.99483.50094.2152
H52.13673.50090.99484.2152

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 125.981 Be1 O3 H5 125.981
O2 Be1 O3 166.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.231      
2 O -0.328      
3 O -0.328      
4 H 0.213      
5 H 0.213      


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 1.606 1.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.654 3.560 0.000
y 3.560 -11.330 0.000
z 0.000 0.000 -14.079
Traceless
 xyz
x -0.950 3.560 0.000
y 3.560 2.537 0.000
z 0.000 0.000 -1.587
Polar
3z2-r2-3.174
x2-y2-2.324
xy3.560
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.981 0.462 0.000
y 0.462 3.376 0.000
z 0.000 0.000 0.947


<r2> (average value of r2) Å2
<r2> 48.241
(<r2>)1/2 6.946

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-164.165066
Energy at 298.15K 
HF Energy-164.165066
Nuclear repulsion energy50.789258
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/STO-3G
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 4259 4259 0.00      
2 Σg 950 950 0.00      
3 Σu 4254 4254 122.47      
4 Σu 2022 2022 314.36      
5 Πg 339i 339i 0.00      
5 Πg 339i 339i 0.00      
6 Πu 325 325 10.24      
6 Πu 325 325 10.24      
7 Πu 409i 409i 187.48      
7 Πu 409i 409i 187.48      

Unscaled Zero Point Vibrational Energy (zpe) 5319.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5319.2 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/STO-3G
B
0.24654

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

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 1.341
O3 0.000 0.000 -1.341
H4 0.000 0.000 2.319
H5 0.000 0.000 -2.319

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.34111.34112.31922.3192
O21.34112.68220.97813.6603
O31.34112.68223.66030.9781
H42.31920.97813.66034.6383
H52.31923.66030.97814.6383

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.244      
2 O -0.358      
3 O -0.358      
4 H 0.236      
5 H 0.236      


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 -14.611 0.000 0.000
y 0.000 -14.611 0.000
z 0.000 0.000 -5.254
Traceless
 xyz
x -4.679 0.000 0.000
y 0.000 -4.679 0.000
z 0.000 0.000 9.358
Polar
3z2-r218.715
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 0.486 0.000 0.000
y 0.000 0.486 0.000
z 0.000 0.000 3.607


<r2> (average value of r2) Å2
<r2> 46.712
(<r2>)1/2 6.835