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 BeOH (beryllium monohydroxide)

using model chemistry: B3LYPultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-90.615991
Energy at 298.15K-90.615825
HF Energy-90.615991
Nuclear repulsion energy17.483386
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 B3LYPultrafine/Def2TZVPP
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' 4009 4009 129.54 102.56 0.22 0.36
2 A' 1263 1263 116.28 4.41 0.68 0.81
3 A' 371 371 169.97 7.48 0.60 0.75

Unscaled Zero Point Vibrational Energy (zpe) 2821.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2821.6 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 B3LYPultrafine/Def2TZVPP
ABC
52.62276 1.31186 1.27996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.047 -0.376 0.000
Be2 0.047 1.027 0.000
H3 -0.565 -1.103 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40230.9508
Be21.40232.2160
H30.95082.2160

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 139.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.232      
2 Be 0.080      
3 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.007 -0.663 0.000 1.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.203 1.493 0.000
y 1.493 -12.207 0.000
z 0.000 0.000 -12.145
Traceless
 xyz
x 0.972 1.493 0.000
y 1.493 -0.533 0.000
z 0.000 0.000 -0.440
Polar
3z2-r2-0.879
x2-y21.003
xy1.493
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.885 0.136 0.000
y 0.136 4.194 0.000
z 0.000 0.000 4.638


<r2> (average value of r2) Å2
<r2> 14.310
(<r2>)1/2 3.783