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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: CCSD/6-31G*

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 CCSD/6-31G*
 hartrees
Energy at 0K-90.300365
Energy at 298.15K-90.300104
HF Energy-90.090137
Nuclear repulsion energy17.354332
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/6-31G*
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' 3958 3737        
2 A' 1279 1208        
3 A' 290 274        

Unscaled Zero Point Vibrational Energy (zpe) 2763.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 2609.3 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/6-31G*
ABC
45.22623 1.30065 1.26429

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.051 -0.381 0.000
Be2 0.051 1.032 0.000
H3 -0.608 -1.080 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.41240.9603
Be21.41242.2118
H30.96032.2118

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 136.709
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-90.299924
Energy at 298.15K 
HF Energy-90.089537
Nuclear repulsion energy17.573241
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/6-31G*
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 4086 3858 208.82      
2 Σ 1354 1279 125.88      
3 Π 131i 123i 180.99      
3 Π 131i 123i 180.99      

Unscaled Zero Point Vibrational Energy (zpe) 2589.4 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 2445.2 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 CCSD/6-31G*
B
1.28594

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

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 1.305

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38570.9518
Be21.38572.3376
H30.95182.3376

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