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: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-90.561348
Energy at 298.15K-90.561074
HF Energy-90.561348
Nuclear repulsion energy17.555463
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 B1B95/6-311G**
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' 4067 3905 153.20      
2 A' 1285 1234 104.60      
3 A' 275 264 189.63      

Unscaled Zero Point Vibrational Energy (zpe) 2813.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 2701.2 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 B1B95/6-311G**
ABC
65.41341 1.31546 1.28953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.042 -0.370 0.000
Be2 0.042 1.025 0.000
H3 -0.509 -1.141 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39420.9486
Be21.39422.2351
H30.94862.2351

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 144.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.517      
2 Be 0.243      
3 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.025 -0.915 0.000 1.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.213 1.466 0.000
y 1.466 -11.879 0.000
z 0.000 0.000 -11.988
Traceless
 xyz
x 0.720 1.466 0.000
y 1.466 -0.278 0.000
z 0.000 0.000 -0.442
Polar
3z2-r2-0.885
x2-y20.666
xy1.466
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.486 0.179 0.000
y 0.179 3.947 0.000
z 0.000 0.000 4.275


<r2> (average value of r2) Å2
<r2> 14.179
(<r2>)1/2 3.766

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-90.000968
Energy at 298.15K 
HF Energy-90.000968
Nuclear repulsion energy17.347977
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 B1B95/6-311G**
Rotational Constants (cm-1) from geometry optimized at B1B95/6-311G**
ABC
65.41341 1.31546 1.28953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability