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

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

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-pVDZ
 hartrees
Energy at 0K-90.331144
Energy at 298.15K-90.330925
HF Energy-90.102535
Nuclear repulsion energy17.236715
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-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' 3995 3831 0.00      
2 A' 1232 1181 0.00      
3 A' 324 311 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2775.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 2661.6 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 QCISD(T)=FULL/cc-pVDZ
ABC
39.85647 1.28317 1.24314

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.054 -0.389 0.000
Be2 0.054 1.039 0.000
H3 -0.645 -1.045 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42830.9582
Be21.42832.1983
H30.95822.1983

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 133.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-90.330372
Energy at 298.15K 
HF Energy-90.101907
Nuclear repulsion energy17.459139
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-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 Σ 4121 3952        
2 Σ 1304 1251        
3 Π 193i 185i        
3 Π 193i 185i        

Unscaled Zero Point Vibrational Energy (zpe) 2519.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 2416.3 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 QCISD(T)=FULL/cc-pVDZ
B
1.26448

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.357
Be2 0.000 0.000 -1.042
H3 0.000 0.000 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39910.9500
Be21.39912.3491
H30.95002.3491

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