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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-90.356521
Energy at 298.15K-90.356336
HF Energy-90.123392
Nuclear repulsion energy17.439945
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/6-311G**
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' 4059 3872 127.66      
2 A' 1262 1204 90.10      
3 A' 352 336 193.89      

Unscaled Zero Point Vibrational Energy (zpe) 2836.5 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 2706.3 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/6-311G**
ABC
41.11575 1.31599 1.27518

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.053 -0.383 0.000
Be2 0.053 1.026 0.000
H3 -0.635 -1.039 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40930.9510
Be21.40932.1772
H30.95102.1772

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 133.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-90.355786
Energy at 298.15K 
HF Energy-90.123133
Nuclear repulsion energy17.657961
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/6-311G**
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 4171 3980 224.26      
2 Σ 1331 1270 118.25      
3 Π 175i 167i 179.28      
3 Π 175i 167i 179.28      

Unscaled Zero Point Vibrational Energy (zpe) 2576.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 2457.7 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/6-311G**
B
1.29634

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.352
Be2 0.000 0.000 -1.029
H3 0.000 0.000 1.296

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.38080.9442
Be21.38082.3250
H30.94422.3250

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