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All results from a given calculation for B2H6 (Diborane)

using model chemistry: QCISD(T)=FULL/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at QCISD(T)=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-53.096931
Energy at 298.15K-53.102840
HF Energy-52.817748
Nuclear repulsion energy31.764092
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 QCISD(T)=FULL/daug-cc-pVDZ
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 2610 2610 0.00      
2 Ag 2169 2169 0.00      
3 Ag 1193 1193 0.00      
4 Ag 806 806 0.00      
5 Au 841 841 0.00      
6 B1g 2688 2688 0.00      
7 B1g 930 930 0.00      
8 B1u 1989 1989 0.00      
9 B1u 988 988 0.00      
10 B2g 1883 1883 0.00      
11 B2g 883 883 0.00      
12 B2u 2703 2703 0.00      
13 B2u 969 969 0.00      
14 B2u 369 369 0.00      
15 B3g 1062 1062 0.00      
16 B3u 2594 2594 0.00      
17 B3u 1748 1748 0.00      
18 B3u 1182 1182 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13802.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13802.6 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 QCISD(T)=FULL/daug-cc-pVDZ
ABC
2.62995 0.59682 0.54771

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.894 0.000 0.000
B2 -0.894 0.000 0.000
H3 0.000 0.000 0.981
H4 0.000 0.000 -0.981
H5 1.470 1.053 0.000
H6 1.470 -1.053 0.000
H7 -1.470 1.053 0.000
H8 -1.470 -1.053 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78761.32691.32691.20071.20072.58822.5882
B21.78761.32691.32692.58822.58821.20071.2007
H31.32691.32691.96152.05752.05752.05752.0575
H41.32691.32691.96152.05752.05752.05752.0575
H51.20072.58822.05752.05752.10632.94093.6174
H61.20072.58822.05752.05752.10633.61742.9409
H72.58821.20072.05752.05752.94093.61742.1063
H82.58821.20072.05752.05753.61742.94092.1063

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.690 B1 H4 B2 84.690
H3 B1 H4 95.310 H3 B1 H5 108.875
H3 B1 H6 108.875 H3 B2 H4 95.310
H3 B2 H7 108.875 H3 B2 H8 108.875
H4 B1 H5 108.875 H4 B1 H6 108.875
H4 B2 H7 108.875 H4 B2 H8 108.875
H5 B1 H6 122.594 H7 B2 H8 122.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability