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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/aug-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 MP3=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-53.082209
Energy at 298.15K-53.088129
HF Energy-52.817144
Nuclear repulsion energy31.807138
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=FULL/aug-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 2638 2638 0.00      
2 Ag 2185 2185 0.00      
3 Ag 1203 1203 0.00      
4 Ag 815 815 0.00      
5 Au 844 844 0.00      
6 B1g 2716 2716 0.00      
7 B1g 933 933 0.00      
8 B1u 2007 2007 13.39      
9 B1u 992 992 26.05      
10 B2g 1903 1903 0.00      
11 B2g 894 894 0.00      
12 B2u 2733 2733 178.03      
13 B2u 969 969 2.02      
14 B2u 372 372 15.62      
15 B3g 1065 1065 0.00      
16 B3u 2623 2623 148.08      
17 B3u 1760 1760 540.23      
18 B3u 1188 1188 85.08      

Unscaled Zero Point Vibrational Energy (zpe) 13920.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13920.4 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=FULL/aug-cc-pVDZ
ABC
2.63787 0.59863 0.54957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.892 0.000 0.000
B2 -0.892 0.000 0.000
H3 0.000 0.000 0.981
H4 0.000 0.000 -0.981
H5 1.469 1.051 0.000
H6 1.469 -1.051 0.000
H7 -1.469 1.051 0.000
H8 -1.469 -1.051 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78401.32571.32571.19901.19902.58462.5846
B21.78401.32571.32572.58462.58461.19901.1990
H31.32571.32571.96132.05542.05542.05542.0554
H41.32571.32571.96132.05542.05542.05542.0554
H51.19902.58462.05542.05542.10182.93853.6128
H61.19902.58462.05542.05542.10183.61282.9385
H72.58461.19902.05542.05542.93853.61282.1018
H82.58461.19902.05542.05543.61282.93852.1018

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.578 B1 H4 B2 84.578
H3 B1 H4 95.422 H3 B1 H5 108.902
H3 B1 H6 108.902 H3 B2 H4 95.422
H3 B2 H7 108.902 H3 B2 H8 108.902
H4 B1 H5 108.902 H4 B1 H6 108.902
H4 B2 H7 108.902 H4 B2 H8 108.902
H5 B1 H6 122.440 H7 B2 H8 122.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability