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 Be(OH)2 (Beryllium hydroxide)

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-166.396597
Energy at 298.15K 
HF Energy-166.396597
Nuclear repulsion energy49.087378
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 PBE1PBE/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 A1 4037 3880 56.44      
2 A1 755 726 7.33      
3 A1 586 563 158.84      
4 A1 307 295 11.97      
5 A2 186i 179i 0.00      
6 B1 345 331 68.42      
7 B2 4035 3878 160.55      
8 B2 1553 1493 363.94      
9 B2 480 462 279.24      

Unscaled Zero Point Vibrational Energy (zpe) 5955.8 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 5723.6 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 PBE1PBE/cc-pVTZ
ABC
18.23925 0.23009 0.22723

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.009
O2 0.000 1.422 0.075
O3 0.000 -1.422 0.075
H4 0.000 2.068 -0.621
H5 0.000 -2.068 -0.621

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42311.42312.16162.1616
O21.42312.84310.95013.5583
O31.42312.84313.55830.9501
H42.16160.95013.55834.1358
H52.16163.55830.95014.1358

picture of Beryllium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 130.171 Be1 O3 H5 130.171
O2 Be1 O3 174.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.235      
2 O -0.318      
3 O -0.318      
4 H 0.201      
5 H 0.201      


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 -2.354 2.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.705 0.000 0.000
y 0.000 -14.898 0.000
z 0.000 0.000 -14.451
Traceless
 xyz
x -2.030 0.000 0.000
y 0.000 0.680 0.000
z 0.000 0.000 1.350
Polar
3z2-r22.700
x2-y2-1.807
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.588 0.000 0.000
y 0.000 3.803 0.000
z 0.000 0.000 2.732


<r2> (average value of r2) Å2
<r2> 51.336
(<r2>)1/2 7.165

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-166.397203
Energy at 298.15K-166.398700
HF Energy-166.397203
Nuclear repulsion energy49.065568
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 PBE1PBE/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 4021 3864 33.29      
2 A 750 721 3.20      
3 A 581 558 98.74      
4 A 314 301 28.78      
5 A 210 202 101.24      
6 B 4019 3862 169.49      
7 B 1552 1491 356.01      
8 B 562 540 325.85      
9 B 313 301 76.67      

Unscaled Zero Point Vibrational Energy (zpe) 6160.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 5920.0 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 PBE1PBE/cc-pVTZ
ABC
16.79243 0.22890 0.22857

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.015
O2 0.000 1.424 -0.057
O3 0.000 -1.424 -0.057
H4 0.501 2.025 0.484
H5 -0.501 -2.025 0.484

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42471.42472.14482.1448
O21.42472.84820.95113.5270
O31.42472.84823.52700.9511
H42.14480.95113.52704.1721
H52.14483.52700.95114.1721

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 127.931 Be1 O3 H5 127.931
O2 Be1 O3 176.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.244      
2 O -0.324      
3 O -0.324      
4 H 0.203      
5 H 0.203      


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 1.791 1.791
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.349 3.964 0.000
y 3.964 -15.663 0.000
z 0.000 0.000 -15.359
Traceless
 xyz
x 0.162 3.964 0.000
y 3.964 -0.309 0.000
z 0.000 0.000 0.147
Polar
3z2-r20.295
x2-y20.314
xy3.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.665 0.109 0.000
y 0.109 3.784 0.000
z 0.000 0.000 2.695


<r2> (average value of r2) Å2
<r2> 51.327
(<r2>)1/2 7.164