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

using model chemistry: B2PLYP/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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-90.503907
Energy at 298.15K-90.503731
HF Energy-90.422044
Nuclear repulsion energy17.516726
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 B2PLYP/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' 4038 3856 141.46 75.49 0.27 0.42
2 A' 1294 1236 86.45 8.84 0.20 0.34
3 A' 359 343 174.10 7.26 0.63 0.77

Unscaled Zero Point Vibrational Energy (zpe) 2846.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 2717.9 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 B2PLYP/6-31G(2df,p)
ABC
48.12204 1.32210 1.28675

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.049 -0.377 0.000
Be2 0.049 1.023 0.000
H3 -0.590 -1.080 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39960.9502
Be21.39962.1979
H30.95022.1979

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 137.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 Be -0.140      
3 H 0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.076 -0.787 0.000 1.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.550 1.477 -0.001
y 1.477 -11.842 -0.026
z -0.001 -0.026 -11.589
Traceless
 xyz
x 1.166 1.477 -0.001
y 1.477 -0.773 -0.026
z -0.001 -0.026 -0.393
Polar
3z2-r2-0.786
x2-y21.292
xy1.477
xz-0.001
yz-0.026


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.152 0.119 -0.000
y 0.119 3.449 -0.004
z -0.000 -0.004 3.903


<r2> (average value of r2) Å2
<r2> 13.939
(<r2>)1/2 3.733

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-90.503071
Energy at 298.15K 
HF Energy-90.421223
Nuclear repulsion energy17.705869
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 B2PLYP/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 4131 3945 221.74      
2 Σ 1349 1288 114.38      
3 Π 236i 226i 145.11      
3 Π 236i 226i 145.11      

Unscaled Zero Point Vibrational Energy (zpe) 2503.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 2390.9 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 B2PLYP/6-31G(2df,p)
B
1.30484

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.351
Be2 0.000 0.000 -1.025
H3 0.000 0.000 1.295

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37580.9438
Be21.37582.3196
H30.94382.3196

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 B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.124      
2 Be -0.211      
3 H 0.335      


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 1.470 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.550 0.000 0.000
y 0.000 -11.550 0.000
z 0.000 0.000 -10.569
Traceless
 xyz
x -0.490 0.000 0.000
y 0.000 -0.490 0.000
z 0.000 0.000 0.981
Polar
3z2-r21.961
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 3.913 0.000 0.000
y 0.000 3.913 0.000
z 0.000 0.000 3.532


<r2> (average value of r2) Å2
<r2> 13.873
(<r2>)1/2 3.725