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: TPSSh/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 TPSSh/STO-3G
 hartrees
Energy at 0K-164.229170
Energy at 298.15K 
HF Energy-164.229170
Nuclear repulsion energy49.519628
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 TPSSh/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 3962 3962 11.79      
2 A1 884 884 17.15      
3 A1 568 568 82.80      
4 A1 289 289 1.43      
5 A2 392i 392i 0.00      
6 B1 332 332 16.00      
7 B2 3959 3959 10.87      
8 B2 1751 1751 139.76      
9 B2 349 349 315.76      

Unscaled Zero Point Vibrational Energy (zpe) 5850.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5850.8 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 TPSSh/STO-3G
ABC
14.97309 0.24307 0.23919

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.163
O2 0.000 1.370 0.106
O3 0.000 -1.370 0.106
H4 0.000 2.149 -0.521
H5 0.000 -2.149 -0.521

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.39601.39602.17912.1791
O21.39602.74001.00023.5748
O31.39602.74003.57481.0002
H42.17911.00023.57484.2988
H52.17913.57481.00024.2988

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 130.108 Be1 O3 H5 130.108
O2 Be1 O3 157.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.186      
2 O -0.306      
3 O -0.306      
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 -1.881 1.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.743 0.000 0.000
y 0.000 3.703 0.000
z 0.000 0.000 1.169


<r2> (average value of r2) Å2
<r2> 47.982
(<r2>)1/2 6.927

Conformer 2 (C2)

Jump to S1C1 S1C3
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-164.232599
Energy at 298.15K-164.234183
HF Energy-164.232599
Nuclear repulsion energy49.142433
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 TPSSh/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 3885 3885 7.52      
2 A 856 856 11.44      
3 A 643 643 31.52      
4 A 472 472 55.15      
5 A 274 274 0.95      
6 B 3891 3891 6.40      
7 B 1722 1722 122.48      
8 B 592 592 304.77      
9 B 293 293 38.42      

Unscaled Zero Point Vibrational Energy (zpe) 6313.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6313.8 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 TPSSh/STO-3G
ABC
12.60609 0.23694 0.23658

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.102
O2 0.000 1.396 -0.083
O3 0.000 -1.396 -0.083
H4 0.588 2.008 0.458
H5 -0.588 -2.008 0.458

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.40811.40812.12202.1220
O21.40812.79171.00613.4960
O31.40812.79173.49601.0061
H42.12201.00613.49604.1840
H52.12203.49601.00614.1840

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 122.148 Be1 O3 H5 122.148
O2 Be1 O3 164.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.177      
2 O -0.295      
3 O -0.295      
4 H 0.206      
5 H 0.206      


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 1.561 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.105 0.499 0.000
y 0.499 3.514 0.000
z 0.000 0.000 1.069


<r2> (average value of r2) Å2
<r2> 48.705
(<r2>)1/2 6.979

Conformer 3 (D*H)

Jump to S1C1 S1C2
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-164.220975
Energy at 298.15K 
HF Energy-164.220975
Nuclear repulsion energy50.619627
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 TPSSh/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 4136 4136 0.00      
2 Σg 930 930 0.00      
3 Σu 4132 4132 104.67      
4 Σu 1989 1989 273.05      
5 Πg 410i 410i 0.00      
5 Πg 410i 410i 0.00      
6 Πu 321 321 13.96      
6 Πu 321 321 13.96      
7 Πu 473i 473i 151.34      
7 Πu 473i 473i 151.34      

Unscaled Zero Point Vibrational Energy (zpe) 5032.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5032.5 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 TPSSh/STO-3G
B
0.24523

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 1.344
O3 0.000 0.000 -1.344
H4 0.000 0.000 2.330
H5 0.000 0.000 -2.330

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.34421.34422.32972.3297
O21.34422.68840.98543.6739
O31.34422.68843.67390.9854
H42.32970.98543.67394.6593
H52.32973.67390.98544.6593

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 TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.200      
2 O -0.333      
3 O -0.333      
4 H 0.233      
5 H 0.233      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.540 0.000 0.000
y 0.000 0.540 0.000
z 0.000 0.000 3.800


<r2> (average value of r2) Å2
<r2> 46.922
(<r2>)1/2 6.850