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: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-90.591912
Energy at 298.15K-90.591738
HF Energy-90.591912
Nuclear repulsion energy17.385362
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 BLYP/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' 3854 3843 100.61 144.08 0.23 0.37
2 A' 1250 1246 86.14 5.39 0.74 0.85
3 A' 363 361 163.63 8.16 0.67 0.80

Unscaled Zero Point Vibrational Energy (zpe) 2733.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 2725.1 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 BLYP/cc-pVTZ
ABC
48.97227 1.30343 1.26963

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/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 1.030 0.000
H3 -0.585 -1.100 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40770.9613
Be21.40772.2225
H30.96132.2225

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 138.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.229      
2 Be 0.038      
3 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.020 -0.735 0.000 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.318 1.510 0.000
y 1.510 -12.381 0.000
z 0.000 0.000 -12.310
Traceless
 xyz
x 1.027 1.510 0.000
y 1.510 -0.567 0.000
z 0.000 0.000 -0.461
Polar
3z2-r2-0.921
x2-y21.063
xy1.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.128 0.171 0.000
y 0.171 4.605 0.000
z 0.000 0.000 4.868


<r2> (average value of r2) Å2
<r2> 14.463
(<r2>)1/2 3.803

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-90.591051
Energy at 298.15K 
HF Energy-90.591051
Nuclear repulsion energy17.556195
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 BLYP/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 3947 3935 158.49      
2 Σ 1301 1297 116.35      
3 Π 253i 253i 136.39      
3 Π 253i 253i 136.39      

Unscaled Zero Point Vibrational Energy (zpe) 2370.3 cm-1
Scaled (by 0.997) 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 BLYP/cc-pVTZ
B
1.28483

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/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 1.308

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38590.9549
Be21.38592.3408
H30.95492.3408

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 BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.253      
2 Be 0.046      
3 H 0.207      


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 1.384 1.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.267 0.000 0.000
y 0.000 -12.267 0.000
z 0.000 0.000 -11.211
Traceless
 xyz
x -0.528 0.000 0.000
y 0.000 -0.528 0.000
z 0.000 0.000 1.056
Polar
3z2-r22.112
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 4.863 0.000 0.000
y 0.000 4.863 0.000
z 0.000 0.000 4.733


<r2> (average value of r2) Å2
<r2> 14.417
(<r2>)1/2 3.797