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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-89.232079
Energy at 298.15K 
HF Energy-89.232079
Nuclear repulsion energy18.032678
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 HSEh1PBE/STO-3G
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-89.232081
Energy at 298.15K-89.231968
HF Energy-89.232081
Nuclear repulsion energy18.025846
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 HSEh1PBE/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 Σ 4171 3684 70.51      
2 Σ 1615 1426 34.34      
3 Π 384 339 91.71      
3 Π 384 339 91.71      

Unscaled Zero Point Vibrational Energy (zpe) 3277.1 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 2894.0 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 HSEh1PBE/STO-3G
B
1.38889

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.331
Be2 0.000 0.000 -0.991
H3 0.000 0.000 1.317

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.32150.9858
Be21.32152.3073
H30.98582.3073

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.306      
2 Be 0.045      
3 H 0.261      


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 2.389 2.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.021 0.000 0.000
y 0.000 -10.021 0.000
z 0.000 0.000 -9.473
Traceless
 xyz
x -0.274 0.000 0.000
y 0.000 -0.274 0.000
z 0.000 0.000 0.548
Polar
3z2-r21.097
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.475 0.000 0.000
y 0.000 1.475 0.000
z 0.000 0.000 2.115


<r2> (average value of r2) Å2
<r2> 12.680
(<r2>)1/2 3.561