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: CCSD(T)=FULL/cc-pVDZ

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 CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-166.102374
Energy at 298.15K 
HF Energy-165.655113
Nuclear repulsion energy48.324225
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 CCSD(T)=FULL/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 A1 3966 3820        
2 A1 730 703        
3 A1 642 618        
4 A1 295 284        
5 A2 226i 218i        
6 B1 335 323        
7 B2 3964 3818        
8 B2 1507 1451        
9 B2 518 499        

Unscaled Zero Point Vibrational Energy (zpe) 5865.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 5649.4 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 CCSD(T)=FULL/cc-pVDZ
ABC
14.43336 0.22352 0.22011

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.013
O2 0.000 1.451 0.084
O3 0.000 -1.451 0.084
H4 0.000 2.005 -0.699
H5 0.000 -2.005 -0.699

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45231.45232.12812.1281
O21.45232.90120.95993.5436
O31.45232.90123.54360.9599
H42.12810.95993.54364.0107
H52.12813.54360.95994.0107

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 122.504 Be1 O3 H5 122.504
O2 Be1 O3 174.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-166.103271
Energy at 298.15K-166.104828
HF Energy-165.655398
Nuclear repulsion energy48.296302
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 CCSD(T)=FULL/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 3944 3799        
2 A 723 696        
3 A 642 618        
4 A 297 286        
5 A 248 239        
6 B 3943 3797        
7 B 1504 1449        
8 B 614 591        
9 B 294 283        

Unscaled Zero Point Vibrational Energy (zpe) 6103.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 5879.0 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 CCSD(T)=FULL/cc-pVDZ
ABC
13.32612 0.22218 0.22153

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.032
O2 0.000 1.454 -0.062
O3 0.000 -1.454 -0.062
H4 0.537 1.948 0.564
H5 -0.537 -1.948 0.564

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.45441.45442.10692.1069
O21.45442.90820.96143.5009
O31.45442.90823.50090.9614
H42.10690.96143.50094.0417
H52.10693.50090.96144.0417

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 120.024 Be1 O3 H5 120.024
O2 Be1 O3 177.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability