return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-90.074582
Energy at 298.15K-90.074255
HF Energy-90.074582
Nuclear repulsion energy17.410105
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 B3LYPultrafine/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3854 3719 158.78 134.93 0.36 0.53
2 A' 1400 1351 62.26 14.42 0.29 0.45
3 A' 231 223 202.96 3.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2743.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 2646.7 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 B3LYPultrafine/3-21G
B
1.26581

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 -0.355 0.000
Be2 0.000 1.040 0.000
H3 -0.000 -1.322 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39550.9667
Be21.39552.3621
H30.96672.3621

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 179.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.638      
2 Be 0.242      
3 H 0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 -2.037 0.000 2.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.851 0.001 0.000
y 0.001 -11.117 0.000
z 0.000 0.000 -11.851
Traceless
 xyz
x -0.367 0.001 0.000
y 0.001 0.733 0.000
z 0.000 0.000 -0.367
Polar
3z2-r2-0.733
x2-y2-0.733
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.486 0.000 0.000
y 0.000 3.573 0.000
z 0.000 0.000 3.486


<r2> (average value of r2) Å2
<r2> 14.334
(<r2>)1/2 3.786

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-90.074582
Energy at 298.15K-90.074182
HF Energy-90.074582
Nuclear repulsion energy17.407336
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 B3LYPultrafine/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 3854 3718 158.71      
2 Σ 1399 1350 62.30      
3 Π 232 224 202.98      
3 Π 232 224 202.98      

Unscaled Zero Point Vibrational Energy (zpe) 2858.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 2757.8 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 B3LYPultrafine/3-21G
B
1.26534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.041
H3 0.000 0.000 1.322

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39580.9667
Be21.39582.3625
H30.96672.3625

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 B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.638      
2 Be 0.242      
3 H 0.396      


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 2.036 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.851 0.000 0.000
y 0.000 -11.851 0.000
z 0.000 0.000 -11.117
Traceless
 xyz
x -0.367 0.000 0.000
y 0.000 -0.367 0.000
z 0.000 0.000 0.734
Polar
3z2-r21.468
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 3.486 0.000 0.000
y 0.000 3.486 0.000
z 0.000 0.000 3.573


<r2> (average value of r2) Å2
<r2> 14.337
(<r2>)1/2 3.786