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

using model chemistry: CID/6-311+G(3df,2p)

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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-50.609484
Energy at 298.15K-50.609601
HF Energy-50.437537
Nuclear repulsion energy15.421412
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 CID/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 Σg 2857 2640 0.00      
2 Σg 1286 1189 0.00      
3 Σu 2816 2602 25.28      
4 Πg 608 562 0.00      
4 Πg 608 562 0.00      
5 Πu 641 592 0.01      
5 Πu 641 592 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4729.2 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 4369.8 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 CID/6-311+G(3df,2p)
B
0.84583

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.752
B2 0.000 0.000 -0.752
H3 0.000 0.000 1.924
H4 0.000 0.000 -1.924

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.50491.17172.6767
B21.50492.67671.1717
H31.17172.67673.8484
H42.67671.17173.8484

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