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All results from a given calculation for HBBH (Diborane(2))

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3ΣG
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-50.664837
Energy at 298.15K-50.664803
HF Energy-50.636937
Nuclear repulsion energy15.310969
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 B2PLYP=FULL/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 2865 2865 0.00      
2 Σg 1272 1272 0.00      
3 Σu 2822 2822 35.41      
4 Πg 521 521 0.00      
4 Πg 521 521 0.00      
5 Πu 616 616 2.08      
5 Πu 616 616 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 4616.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4616.7 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 B2PLYP=FULL/6-31G
B
0.83257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.759
B2 0.000 0.000 -0.759
H3 0.000 0.000 1.935
H4 0.000 0.000 -1.935

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.51881.17592.6947
B21.51882.69471.1759
H31.17592.69473.8706
H42.69471.17593.8706

picture of Diborane(2) state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H4 180.000 B2 B1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability