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All results from a given calculation for HBHHBH (Diborane(4) C2V)

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-51.885431
Energy at 298.15K-51.888380
HF Energy-51.625732
Nuclear repulsion energy24.860911
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 MP3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2859 2701 0.06      
2 A1 2147 2028 14.55      
3 A1 1367 1291 2.66      
4 A1 1124 1062 2.37      
5 A1 743 702 3.01      
6 A2 1353 1278 0.00      
7 A2 691 653 0.00      
8 B1 2147 2028 44.28      
9 B1 809 764 2.17      
10 B2 2818 2663 36.99      
11 B2 1415 1337 215.55      
12 B2 566 534 27.94      

Unscaled Zero Point Vibrational Energy (zpe) 9019.2 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 8520.4 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 MP3/cc-pVTZ
ABC
6.78558 0.84687 0.81586

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.115
B2 0.000 -0.732 -0.115
H3 0.897 0.000 0.565
H4 -0.897 0.000 0.565
H5 0.000 1.896 0.011
H6 0.000 -1.896 0.011

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46381.34261.34261.17102.6310
B21.46381.34261.34262.63101.1710
H31.34261.34261.79322.16942.1694
H41.34261.34261.79322.16942.1694
H51.17102.63102.16942.16943.7922
H62.63101.17102.16942.16943.7922

picture of Diborane(4) C2V state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H3 56.966 B1 B2 H4 56.966
B1 B2 H6 173.809 B1 H3 B2 66.068
B1 H4 B2 66.068 B2 B1 H3 56.966
B2 B1 H4 56.966 B2 B1 H5 173.809
H3 B1 H4 83.796 H3 B1 H5 119.163
H3 B2 H4 83.796 H3 B2 H6 119.163
H4 B1 H5 119.163 H4 B2 H6 119.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability