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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-53.110381
Energy at 298.15K-53.116363
HF Energy-52.836081
Nuclear repulsion energy32.238252
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2680 2680 0.00      
2 Ag 2231 2231 0.00      
3 Ag 1246 1246 0.00      
4 Ag 833 833 0.00      
5 Au 874 874 0.00      
6 B1g 2756 2756 0.00      
7 B1g 965 965 0.00      
8 B1u 2046 2046 14.91      
9 B1u 1023 1023 26.64      
10 B2g 1929 1929 0.00      
11 B2g 917 917 0.00      
12 B2u 2771 2771 183.85      
13 B2u 1020 1020 1.45      
14 B2u 388 388 16.07      
15 B3g 1104 1104 0.00      
16 B3u 2664 2664 154.64      
17 B3u 1786 1786 547.13      
18 B3u 1233 1233 84.41      

Unscaled Zero Point Vibrational Energy (zpe) 14232.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14232.9 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/Def2TZVPP
ABC
2.70842 0.61582 0.56584

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.878 0.000 0.000
B2 -0.878 0.000 0.000
H3 0.000 0.000 0.972
H4 0.000 0.000 -0.972
H5 1.451 1.035 0.000
H6 1.451 -1.035 0.000
H7 -1.451 1.035 0.000
H8 -1.451 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75631.30971.30971.18341.18342.54922.5492
B21.75631.30971.30972.54922.54921.18341.1834
H31.30971.30971.94342.03042.03042.03042.0304
H41.30971.30971.94342.03042.03042.03042.0304
H51.18342.54922.03042.03042.07062.90283.5656
H61.18342.54922.03042.03042.07063.56562.9028
H72.54921.18342.03042.03042.90283.56562.0706
H82.54921.18342.03042.03043.56562.90282.0706

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.208 B1 H4 B2 84.208
H3 B1 H4 95.792 H3 B1 H5 108.953
H3 B1 H6 108.953 H3 B2 H4 95.792
H3 B2 H7 108.953 H3 B2 H8 108.953
H4 B1 H5 108.953 H4 B1 H6 108.953
H4 B2 H7 108.953 H4 B2 H8 108.953
H5 B1 H6 122.051 H7 B2 H8 122.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability