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

using model chemistry: QCISD(T)=FULL/cc-pVQZ

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 QCISD(T)=FULL/cc-pVQZ
 hartrees
Energy at 0K-90.505266
Energy at 298.15K-90.505006
HF Energy-90.144423
Nuclear repulsion energy17.587786
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 QCISD(T)=FULL/cc-pVQZ
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' 4052 4052 0.00      
2 A' 1295 1295 0.00      
3 A' 286 286 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2816.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2816.5 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 QCISD(T)=FULL/cc-pVQZ
ABC
60.01048 1.32361 1.29505

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.044 -0.371 0.000
Be2 0.044 1.022 0.000
H3 -0.531 -1.123 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39230.9467
Be21.39232.2202
H30.94672.2202

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 142.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVQZ
 hartrees
Energy at 0K-90.504809
Energy at 298.15K 
HF Energy-90.143767
Nuclear repulsion energy17.751687
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 QCISD(T)=FULL/cc-pVQZ
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 4128 4128        
2 Σ 1337 1337        
3 Π 207i 207i        
3 Π 207i 207i        

Unscaled Zero Point Vibrational Energy (zpe) 2525.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2525.9 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 QCISD(T)=FULL/cc-pVQZ
B
1.31162

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.350
Be2 0.000 0.000 -1.022
H3 0.000 0.000 1.292

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.37220.9419
Be21.37222.3141
H30.94192.3141

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