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

using model chemistry: PBE1PBE/6-31G(2df,p)

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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-90.466386
Energy at 298.15K-90.466218
HF Energy-90.466386
Nuclear repulsion energy17.545417
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 PBE1PBE/6-31G(2df,p)
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' 4066 3892 137.37 73.43 0.27 0.42
2 A' 1301 1245 90.65 8.06 0.21 0.34
3 A' 366 350 168.88 7.65 0.62 0.77

Unscaled Zero Point Vibrational Energy (zpe) 2866.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2743.4 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 PBE1PBE/6-31G(2df,p)
ABC
47.37572 1.32771 1.29152

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.376 0.000
Be2 0.050 1.021 0.000
H3 -0.594 -1.074 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39720.9492
Be21.39722.1914
H30.94922.1914

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 137.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.174      
2 Be -0.148      
3 H 0.322      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.066 -0.768 0.000 1.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.485 1.502 0.000
y 1.502 -11.735 0.000
z 0.000 0.000 -11.543
Traceless
 xyz
x 1.154 1.502 0.000
y 1.502 -0.721 0.000
z 0.000 0.000 -0.433
Polar
3z2-r2-0.866
x2-y21.250
xy1.502
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.235 0.122 0.000
y 0.122 3.454 0.000
z 0.000 0.000 3.977


<r2> (average value of r2) Å2
<r2> 13.867
(<r2>)1/2 3.724

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-90.465490
Energy at 298.15K 
HF Energy-90.465490
Nuclear repulsion energy17.732836
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 PBE1PBE/6-31G(2df,p)
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 4157 3979 212.65      
2 Σ 1356 1298 119.65      
3 Π 241i 231i 141.54      
3 Π 241i 231i 141.54      

Unscaled Zero Point Vibrational Energy (zpe) 2515.8 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2407.6 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 PBE1PBE/6-31G(2df,p)
B
1.30916

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.350
Be2 0.000 0.000 -1.023
H3 0.000 0.000 1.293

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37350.9429
Be21.37352.3164
H30.94292.3164

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 PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.117      
2 Be -0.219      
3 H 0.336      


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 1.454 1.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.501 0.000 0.000
y 0.000 -11.501 0.000
z 0.000 0.000 -10.436
Traceless
 xyz
x -0.532 0.000 0.000
y 0.000 -0.532 0.000
z 0.000 0.000 1.064
Polar
3z2-r22.129
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 3.986 0.000 0.000
y 0.000 3.986 0.000
z 0.000 0.000 3.541


<r2> (average value of r2) Å2
<r2> 13.803
(<r2>)1/2 3.715