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: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at B97D3/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B97D3/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-166.509434
Energy at 298.15K-166.510867
HF Energy-166.509434
Nuclear repulsion energy48.547751
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 B97D3/aug-cc-pVTZ
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 3904 3845 18.43      
2 A 717 706 2.19      
3 A 562 553 77.20      
4 A 314 309 29.33      
5 A 189 186 117.66      
6 B 3903 3843 152.19      
7 B 1481 1458 394.75      
8 B 558 550 305.42      
9 B 310 305 62.26      

Unscaled Zero Point Vibrational Energy (zpe) 5968.6 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 5877.3 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 B97D3/aug-cc-pVTZ
ABC
17.26981 0.22350 0.22323

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.007
O2 0.000 1.440 -0.055
O3 0.000 -1.440 -0.055
H4 0.547 2.061 0.425
H5 -0.547 -2.061 0.425

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.44151.44152.17312.1731
O21.44152.88030.95623.5761
O31.44152.88033.57610.9562
H42.17310.95623.57614.2651
H52.17313.57610.95624.2651

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 128.881 Be1 O3 H5 128.881
O2 Be1 O3 175.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.612      
2 O -0.414      
3 O -0.414      
4 H 0.108      
5 H 0.108      


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 1.574 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.542 4.291 0.000
y 4.291 -16.264 0.000
z 0.000 0.000 -16.101
Traceless
 xyz
x 0.641 4.291 0.000
y 4.291 -0.443 0.000
z 0.000 0.000 -0.198
Polar
3z2-r2-0.396
x2-y20.722
xy4.291
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.460 0.032 0.000
y 0.032 4.553 0.000
z 0.000 0.000 3.463


<r2> (average value of r2) Å2
<r2> 52.663
(<r2>)1/2 7.257