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

using model chemistry: mPW1PW91/STO-3G

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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-89.303888
Energy at 298.15K-89.303770
HF Energy-89.303888
Nuclear repulsion energy18.024838
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 mPW1PW91/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 4173 3667 69.32      
2 Σ 1615 1419 35.43      
3 Π 382 336 92.55      
3 Π 382 336 92.55      

Unscaled Zero Point Vibrational Energy (zpe) 3275.5 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 2878.9 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 mPW1PW91/STO-3G
B
1.38854

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.316

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.32170.9855
Be21.32172.3072
H30.98552.3072

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 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.311      
2 Be 0.050      
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 2.364 2.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.009 0.000 0.000
y 0.000 -10.009 0.000
z 0.000 0.000 -9.462
Traceless
 xyz
x -0.273 0.000 0.000
y 0.000 -0.273 0.000
z 0.000 0.000 0.547
Polar
3z2-r21.093
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 1.471 0.000 0.000
y 0.000 1.471 0.000
z 0.000 0.000 2.114


<r2> (average value of r2) Å2
<r2> 12.674
(<r2>)1/2 3.560

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-89.303888
Energy at 298.15K-89.303771
HF Energy-89.303888
Nuclear repulsion energy18.024129
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 mPW1PW91/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 4173 3667 69.31      
2 Σ 1614 1419 35.44      
3 Π 382 336 92.55      
3 Π 382 336 92.55      

Unscaled Zero Point Vibrational Energy (zpe) 3275.5 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 2878.8 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 mPW1PW91/STO-3G
B
1.38842

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.316

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.32180.9855
Be21.32182.3073
H30.98552.3073

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 mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.311      
2 Be 0.050      
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 2.364 2.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.009 0.000 0.000
y 0.000 -10.009 0.000
z 0.000 0.000 -9.462
Traceless
 xyz
x -0.273 0.000 0.000
y 0.000 -0.273 0.000
z 0.000 0.000 0.547
Polar
3z2-r21.093
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 1.471 0.000 0.000
y 0.000 1.471 0.000
z 0.000 0.000 2.114


<r2> (average value of r2) Å2
<r2> 12.674
(<r2>)1/2 3.560