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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: PBEPBE/TZVP

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 PBEPBE/TZVP
 hartrees
Energy at 0K-166.381296
Energy at 298.15K 
HF Energy-166.381296
Nuclear repulsion energy48.609739
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 PBEPBE/TZVP
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 3918 3874 37.81      
2 A1 730 722 3.84      
3 A1 529 523 228.23      
4 A1 324 320 0.62      
5 A2 205i 202i 0.00      
6 B1 371 367 39.57      
7 B2 3915 3871 190.84      
8 B2 1544 1527 405.24      
9 B2 414 410 283.88      

Unscaled Zero Point Vibrational Energy (zpe) 5770.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5706.2 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 PBEPBE/TZVP
ABC
21.00207 0.22509 0.22270

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.013
O2 0.000 1.432 0.074
O3 0.000 -1.432 0.074
H4 0.000 2.144 -0.569
H5 0.000 -2.144 -0.569

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43491.43492.21542.2154
O21.43492.86450.95993.6341
O31.43492.86453.63410.9599
H42.21540.95993.63414.2888
H52.21543.63410.95994.2888

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 134.407 Be1 O3 H5 134.407
O2 Be1 O3 173.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.537      
2 O -0.565      
3 O -0.565      
4 H 0.297      
5 H 0.297      


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 -2.513 2.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.200 0.000 0.000
y 0.000 -13.827 0.000
z 0.000 0.000 -15.265
Traceless
 xyz
x -2.654 0.000 0.000
y 0.000 2.406 0.000
z 0.000 0.000 0.248
Polar
3z2-r20.496
x2-y2-3.373
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.132 0.000 0.000
y 0.000 4.292 0.000
z 0.000 0.000 2.311


<r2> (average value of r2) Å2
<r2> 52.395
(<r2>)1/2 7.238

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-166.381980
Energy at 298.15K-166.383445
HF Energy-166.381980
Nuclear repulsion energy48.568166
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 PBEPBE/TZVP
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 3896 3853 18.35      
2 A 725 717 1.05      
3 A 527 521 115.52      
4 A 339 336 12.38      
5 A 205 203 167.10      
6 B 3895 3852 184.32      
7 B 1540 1523 393.41      
8 B 521 516 368.41      
9 B 333 329 69.50      

Unscaled Zero Point Vibrational Energy (zpe) 5990.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5923.6 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 PBEPBE/TZVP
ABC
18.46022 0.22398 0.22368

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.005
O2 0.000 1.436 -0.052
O3 0.000 -1.436 -0.052
H4 0.534 2.090 0.408
H5 -0.534 -2.090 0.408

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43731.43732.19452.1945
O21.43732.87240.96123.5961
O31.43732.87243.59610.9612
H42.19450.96123.59614.3146
H52.19453.59610.96124.3146

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 131.363 Be1 O3 H5 131.363
O2 Be1 O3 175.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.536      
2 O -0.566      
3 O -0.566      
4 H 0.298      
5 H 0.298      


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 1.780 1.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.622 4.770 0.000
y 4.770 -14.935 0.000
z 0.000 0.000 -16.229
Traceless
 xyz
x -0.040 4.770 0.000
y 4.770 0.991 0.000
z 0.000 0.000 -0.951
Polar
3z2-r2-1.902
x2-y2-0.687
xy4.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.258 0.137 0.000
y 0.137 4.272 0.000
z 0.000 0.000 2.248


<r2> (average value of r2) Å2
<r2> 52.426
(<r2>)1/2 7.241