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

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 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-90.330779
Energy at 298.15K-90.330561
HF Energy-90.102547
Nuclear repulsion energy17.241688
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' 3998 3851        
2 A' 1234 1189        
3 A' 325 313        

Unscaled Zero Point Vibrational Energy (zpe) 2778.4 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 2676.2 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(T)=FULL/cc-pVDZ
ABC
39.82466 1.28409 1.24398

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 -1.044 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.42780.9581
Be21.42782.1975
H30.95812.1975

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 133.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-90.330003
Energy at 298.15K 
HF Energy-90.101919
Nuclear repulsion energy17.464884
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 Σ 4124 3972        
2 Σ 1307 1259        
3 Π 193i 186i        
3 Π 193i 186i        

Unscaled Zero Point Vibrational Energy (zpe) 2522.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 2429.5 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 CCSD(T)=FULL/cc-pVDZ
B
1.26544

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 -1.041
H3 0.000 0.000 1.307

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39850.9499
Be21.39852.3484
H30.94992.3484

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