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: PBEPBEultrafine/aug-cc-pVTZ

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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-90.495900
Energy at 298.15K-90.495708
HF Energy-90.495900
Nuclear repulsion energy17.384522
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3886 3843 108.41 151.89 0.19 0.32
2 A' 1243 1229 108.86 5.47 0.68 0.81
3 A' 347 343 156.57 4.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2737.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 2707.2 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
49.38713 1.30206 1.26861

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.049 -0.378 0.000
Be2 0.049 1.031 0.000
H3 -0.583 -1.101 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40840.9601
Be21.40842.2231
H30.96012.2231

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 138.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.255      
2 Be 0.145      
3 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.987 -0.599 0.000 1.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.389 1.555 0.000
y 1.555 -12.425 0.000
z 0.000 0.000 -12.386
Traceless
 xyz
x 1.016 1.555 0.000
y 1.555 -0.538 0.000
z 0.000 0.000 -0.479
Polar
3z2-r2-0.958
x2-y21.036
xy1.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.665 0.079 0.000
y 0.079 5.012 0.000
z 0.000 0.000 5.431


<r2> (average value of r2) Å2
<r2> 14.507
(<r2>)1/2 3.809

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-90.495111
Energy at 298.15K 
HF Energy-90.495111
Nuclear repulsion energy17.555437
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 PBEPBEultrafine/aug-cc-pVTZ
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 3973 3928 162.73      
2 Σ 1294 1279 145.89      
3 Π 243i 241i 129.54      
3 Π 243i 241i 129.54      

Unscaled Zero Point Vibrational Energy (zpe) 2390.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 2363.2 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 PBEPBEultrafine/aug-cc-pVTZ
B
1.28426

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.033
H3 0.000 0.000 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38630.9543
Be21.38632.3406
H30.95432.3406

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 PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.303      
2 Be 0.128      
3 H 0.175      


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 1.231 1.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.358 0.000 0.000
y 0.000 -12.358 0.000
z 0.000 0.000 -11.183
Traceless
 xyz
x -0.588 0.000 0.000
y 0.000 -0.588 0.000
z 0.000 0.000 1.175
Polar
3z2-r22.350
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 5.479 0.000 0.000
y 0.000 5.479 0.000
z 0.000 0.000 5.112


<r2> (average value of r2) Å2
<r2> 14.451
(<r2>)1/2 3.801