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/aug-cc-pVDZ

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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-90.590848
Energy at 298.15K-90.590702
HF Energy-90.590848
Nuclear repulsion energy17.296803
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/aug-cc-pVDZ
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' 3976 3858 116.09 119.92 0.19 0.31
2 A' 1224 1188 118.17 4.43 0.48 0.65
3 A' 392 380 166.74 5.28 0.71 0.83

Unscaled Zero Point Vibrational Energy (zpe) 2795.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 2713.0 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/aug-cc-pVDZ
ABC
45.82092 1.28602 1.25092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.050 -0.384 0.000
Be2 0.050 1.038 0.000
H3 -0.604 -1.081 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42130.9561
Be21.42132.2174
H30.95612.2174

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 136.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.014      
2 Be -0.074      
3 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.042 -0.391 0.000 1.113
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.208 1.580 0.000
y 1.580 -12.378 0.000
z 0.000 0.000 -12.290
Traceless
 xyz
x 1.126 1.580 0.000
y 1.580 -0.629 0.000
z 0.000 0.000 -0.497
Polar
3z2-r2-0.993
x2-y21.170
xy1.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.319 0.092 0.000
y 0.092 4.626 0.000
z 0.000 0.000 5.073


<r2> (average value of r2) Å2
<r2> 14.517
(<r2>)1/2 3.810

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-90.589581
Energy at 298.15K 
HF Energy-90.589581
Nuclear repulsion energy17.471800
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/aug-cc-pVDZ
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 4073 3953 188.59      
2 Σ 1280 1242 162.63      
3 Π 312i 303i 137.66      
3 Π 312i 303i 137.66      

Unscaled Zero Point Vibrational Energy (zpe) 2364.7 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 2294.7 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/aug-cc-pVDZ
B
1.26628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.041
H3 0.000 0.000 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39800.9497
Be21.39802.3477
H30.94972.3477

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.136      
2 Be -0.169      
3 H 0.033      


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 1.084 1.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.239 0.000 0.000
y 0.000 -12.239 0.000
z 0.000 0.000 -11.059
Traceless
 xyz
x -0.590 0.000 0.000
y 0.000 -0.590 0.000
z 0.000 0.000 1.180
Polar
3z2-r22.360
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 5.082 0.000 0.000
y 0.000 5.082 0.000
z 0.000 0.000 4.759


<r2> (average value of r2) Å2
<r2> 14.461
(<r2>)1/2 3.803