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

using model chemistry: PBEPBE/6-31G*

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 PBEPBE/6-31G*
 hartrees
Energy at 0K-90.444807
Energy at 298.15K-90.444606
HF Energy-90.444807
Nuclear repulsion energy17.282167
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 PBEPBE/6-31G*
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' 3820 3766 88.45      
2 A' 1237 1220 72.96      
3 A' 344 339 182.99      

Unscaled Zero Point Vibrational Energy (zpe) 2701.0 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 2662.4 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 PBEPBE/6-31G*
ABC
38.69400 1.30002 1.25776

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.055 -0.386 0.000
Be2 0.055 1.032 0.000
H3 -0.655 -1.044 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41810.9674
Be21.41812.1938
H30.96742.1938

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 132.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.479      
2 Be 0.080      
3 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.208 -0.806 0.000 1.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.463 1.641 0.000
y 1.641 -11.902 0.000
z 0.000 0.000 -11.739
Traceless
 xyz
x 1.357 1.641 0.000
y 1.641 -0.801 0.000
z 0.000 0.000 -0.556
Polar
3z2-r2-1.113
x2-y21.439
xy1.641
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.008 0.165 0.000
y 0.165 3.650 0.000
z 0.000 0.000 3.666


<r2> (average value of r2) Å2
<r2> 14.107
(<r2>)1/2 3.756

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at PBEPBE/6-31G*
 hartrees
Energy at 0K-90.443955
Energy at 298.15K 
HF Energy-90.443955
Nuclear repulsion energy17.500165
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 PBEPBE/6-31G*
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 3962 3905 154.35      
2 Σ 1319 1300 100.77      
3 Π 196i 193i 146.84      
3 Π 196i 193i 146.84      

Unscaled Zero Point Vibrational Energy (zpe) 2444.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 2409.5 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 PBEPBE/6-31G*
B
1.27638

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.354
Be2 0.000 0.000 -1.036
H3 0.000 0.000 1.312

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39050.9576
Be21.39052.3481
H30.95762.3481

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 PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.429      
2 Be 0.032      
3 H 0.397      


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 1.647 1.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.651 0.000 0.000
y 0.000 -11.651 0.000
z 0.000 0.000 -10.297
Traceless
 xyz
x -0.677 0.000 0.000
y 0.000 -0.677 0.000
z 0.000 0.000 1.354
Polar
3z2-r22.709
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 3.651 0.000 0.000
y 0.000 3.651 0.000
z 0.000 0.000 3.745


<r2> (average value of r2) Å2
<r2> 14.016
(<r2>)1/2 3.744