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: PBEPBEultrafine/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-90.496118
Energy at 298.15K-90.495929
HF Energy-90.496118
Nuclear repulsion energy17.383345
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 PBEPBEultrafine/daug-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' 3885 3885 107.14 151.22 0.19 0.32
2 A' 1242 1242 108.48 5.45 0.68 0.81
3 A' 352 352 157.56 4.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2739.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2739.4 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 PBEPBEultrafine/daug-cc-pVTZ
ABC
48.84915 1.30238 1.26856

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.049 -0.378 0.000
Be2 0.049 1.031 0.000
H3 -0.586 -1.098 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40860.9602
Be21.40862.2216
H30.96022.2216

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 138.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.260      
2 Be 0.129      
3 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.991 -0.595 0.000 1.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.379 1.556 0.000
y 1.556 -12.430 0.000
z 0.000 0.000 -12.389
Traceless
 xyz
x 1.030 1.556 0.000
y 1.556 -0.546 0.000
z 0.000 0.000 -0.485
Polar
3z2-r2-0.969
x2-y21.051
xy1.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.690 0.072 0.000
y 0.072 5.019 0.000
z 0.000 0.000 5.467


<r2> (average value of r2) Å2
<r2> 14.506
(<r2>)1/2 3.809