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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-53.072364
Energy at 298.15K-53.078277
HF Energy-52.815856
Nuclear repulsion energy31.720194
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/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 2659 2500 0.00      
2 Ag 2205 2074 0.00      
3 Ag 1216 1143 0.00      
4 Ag 818 769 0.00      
5 Au 843 792 0.00      
6 B1g 2743 2579 0.00      
7 B1g 938 882 0.00      
8 B1u 2031 1910 15.62      
9 B1u 1002 942 20.14      
10 B2g 1904 1790 0.00      
11 B2g 888 835 0.00      
12 B2u 2756 2591 175.90      
13 B2u 980 922 1.49      
14 B2u 366 344 14.55      
15 B3g 1067 1003 0.00      
16 B3u 2642 2485 152.65      
17 B3u 1760 1655 543.04      
18 B3u 1200 1128 85.10      

Unscaled Zero Point Vibrational Energy (zpe) 14008.0 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 13171.7 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/cc-pVDZ
ABC
2.62260 0.59555 0.54687

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/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 0.985
H4 0.000 0.000 -0.985
H5 1.473 1.053 0.000
H6 1.473 -1.053 0.000
H7 -1.473 1.053 0.000
H8 -1.473 -1.053 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78821.33001.33001.20221.20222.59122.5912
B21.78821.33001.33002.59122.59121.20221.2022
H31.33001.33001.96912.06152.06152.06152.0615
H41.33001.33001.96912.06152.06152.06152.0615
H51.20222.59122.06152.06152.10692.94653.6223
H61.20222.59122.06152.06152.10693.62232.9465
H72.59121.20222.06152.06152.94653.62232.1069
H82.59121.20222.06152.06153.62232.94652.1069

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.486 B1 H4 B2 84.486
H3 B1 H4 95.514 H3 B1 H5 108.897
H3 B1 H6 108.897 H3 B2 H4 95.514
H3 B2 H7 108.897 H3 B2 H8 108.897
H4 B1 H5 108.897 H4 B1 H6 108.897
H4 B2 H7 108.897 H4 B2 H8 108.897
H5 B1 H6 122.401 H7 B2 H8 122.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability