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

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-90.462884
Energy at 298.15K-90.462589
HF Energy-90.135615
Nuclear repulsion energy17.592418
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/6-311+G(3df,2p)
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' 4085 4085 0.00      
2 A' 1297 1297 0.00      
3 A' 258 258 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2819.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2819.9 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/6-311+G(3df,2p)
ABC
83.21423 1.31366 1.29324

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.038 -0.365 0.000
Be2 0.038 1.025 0.000
H3 -0.453 -1.175 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39000.9469
Be21.39002.2539
H30.94692.2539

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 148.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability