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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3/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/cc-pVDZ
 hartrees
Energy at 0K-53.068070
Energy at 298.15K-53.073979
HF Energy-52.815838
Nuclear repulsion energy31.683454
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/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 2654 2515 0.00      
2 Ag 2200 2086 0.00      
3 Ag 1213 1150 0.00      
4 Ag 815 773 0.00      
5 Au 841 797 0.00      
6 B1g 2738 2595 0.00      
7 B1g 937 888 0.00      
8 B1u 2025 1920 16.23      
9 B1u 1001 949 20.14      
10 B2g 1897 1798 0.00      
11 B2g 884 838 0.00      
12 B2u 2751 2607 176.96      
13 B2u 980 929 1.59      
14 B2u 365 346 14.41      
15 B3g 1065 1009 0.00      
16 B3u 2637 2500 152.57      
17 B3u 1756 1664 547.02      
18 B3u 1197 1135 86.95      

Unscaled Zero Point Vibrational Energy (zpe) 13977.1 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 13248.8 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/cc-pVDZ
ABC
2.61802 0.59384 0.54537

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.896 0.000 0.000
B2 -0.896 0.000 0.000
H3 0.000 0.000 0.986
H4 0.000 0.000 -0.986
H5 1.475 1.054 0.000
H6 1.475 -1.054 0.000
H7 -1.475 1.054 0.000
H8 -1.475 -1.054 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79121.33181.33181.20291.20292.59432.5943
B21.79121.33181.33182.59432.59431.20291.2029
H31.33181.33181.97122.06352.06352.06352.0635
H41.33181.33181.97122.06352.06352.06352.0635
H51.20292.59432.06352.06352.10862.94953.6257
H61.20292.59432.06352.06352.10863.62572.9495
H72.59431.20292.06352.06352.94953.62572.1086
H82.59431.20292.06352.06353.62572.94952.1086

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.522 B1 H4 B2 84.522
H3 B1 H4 95.478 H3 B1 H5 108.892
H3 B1 H6 108.892 H3 B2 H4 95.478
H3 B2 H7 108.892 H3 B2 H8 108.892
H4 B1 H5 108.892 H4 B1 H6 108.892
H4 B2 H7 108.892 H4 B2 H8 108.892
H5 B1 H6 122.439 H7 B2 H8 122.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability