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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-53.076446
Energy at 298.15K-53.082410
HF Energy-52.820732
Nuclear repulsion energy32.228839
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 CCD/6-31+G**
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 2699 2544 0.00      
2 Ag 2261 2131 0.00      
3 Ag 1249 1177 0.00      
4 Ag 840 791 0.00      
5 Au 866 816 0.00      
6 B1g 2778 2618 0.00      
7 B1g 966 911 0.00      
8 B1u 2079 1959 19.33      
9 B1u 1013 955 22.25      
10 B2g 1947 1834 0.00      
11 B2g 882 831 0.00      
12 B2u 2792 2631 204.46      
13 B2u 1022 963 5.63      
14 B2u 387 364 12.50      
15 B3g 1083 1021 0.00      
16 B3u 2683 2528 161.23      
17 B3u 1815 1711 553.01      
18 B3u 1238 1167 90.67      

Unscaled Zero Point Vibrational Energy (zpe) 14300.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 13475.0 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 CCD/6-31+G**
ABC
2.71558 0.61445 0.56435

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.879 0.000 0.000
B2 -0.879 0.000 0.000
H3 0.000 0.000 0.967
H4 0.000 0.000 -0.967
H5 1.455 1.035 0.000
H6 1.455 -1.035 0.000
H7 -1.455 1.035 0.000
H8 -1.455 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75821.30711.30711.18471.18472.55342.5534
B21.75821.30711.30712.55342.55341.18471.1847
H31.30711.30711.93472.03092.03092.03092.0309
H41.30711.30711.93472.03092.03092.03092.0309
H51.18472.55342.03092.03092.07082.90993.5715
H61.18472.55342.03092.03092.07083.57152.9099
H72.55341.18472.03092.03092.90993.57152.0708
H82.55341.18472.03092.03093.57152.90992.0708

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.526 B1 H4 B2 84.526
H3 B1 H4 95.474 H3 B1 H5 109.080
H3 B1 H6 109.080 H3 B2 H4 95.474
H3 B2 H7 109.080 H3 B2 H8 109.080
H4 B1 H5 109.080 H4 B1 H6 109.080
H4 B2 H7 109.080 H4 B2 H8 109.080
H5 B1 H6 121.836 H7 B2 H8 121.836
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability