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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/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 MP3=FULL/Def2TZVPP
 hartrees
Energy at 0K-53.170212
Energy at 298.15K-53.176182
HF Energy-52.835955
Nuclear repulsion energy32.318052
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/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 2673 2673 0.00      
2 Ag 2212 2212 0.00      
3 Ag 1234 1234 0.00      
4 Ag 833 833 0.00      
5 Au 874 874 0.00      
6 B1g 2746 2746 0.00      
7 B1g 960 960 0.00      
8 B1u 2031 2031 9.45      
9 B1u 1012 1012 25.33      
10 B2g 1919 1919 0.00      
11 B2g 921 921 0.00      
12 B2u 2760 2760 167.53      
13 B2u 999 999 0.81      
14 B2u 387 387 16.53      
15 B3g 1088 1088 0.00      
16 B3u 2657 2657 146.11      
17 B3u 1771 1771 493.96      
18 B3u 1223 1223 74.23      

Unscaled Zero Point Vibrational Energy (zpe) 14149.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14149.8 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/Def2TZVPP
ABC
2.71519 0.61998 0.56942

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.875 0.000 0.000
B2 -0.875 0.000 0.000
H3 0.000 0.000 0.970
H4 0.000 0.000 -0.970
H5 1.447 1.034 0.000
H6 1.447 -1.034 0.000
H7 -1.447 1.034 0.000
H8 -1.447 -1.034 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.74971.30631.30631.18201.18202.54182.5418
B21.74971.30631.30632.54182.54181.18201.1820
H31.30631.30631.94022.02602.02602.02602.0260
H41.30631.30631.94022.02602.02602.02602.0260
H51.18202.54182.02602.02602.06842.89423.5573
H61.18202.54182.02602.02602.06843.55732.8942
H72.54181.18202.02602.02602.89423.55732.0684
H82.54181.18202.02602.02603.55732.89422.0684

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.087 B1 H4 B2 84.087
H3 B1 H4 95.913 H3 B1 H5 108.920
H3 B1 H6 108.920 H3 B2 H4 95.913
H3 B2 H7 108.920 H3 B2 H8 108.920
H4 B1 H5 108.920 H4 B1 H6 108.920
H4 B2 H7 108.920 H4 B2 H8 108.920
H5 B1 H6 122.083 H7 B2 H8 122.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability