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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-53.083282
Energy at 298.15K-53.089246
HF Energy-52.820639
Nuclear repulsion energy32.297475
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/6-31+G**
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 2717 2531 0.00      
2 Ag 2271 2115 0.00      
3 Ag 1253 1168 0.00      
4 Ag 843 785 0.00      
5 Au 871 811 0.00      
6 B1g 2798 2607 0.00      
7 B1g 970 904 0.00      
8 B1u 2091 1948 16.90      
9 B1u 1015 945 21.67      
10 B2g 1958 1824 0.00      
11 B2g 886 825 0.00      
12 B2u 2812 2619 200.22      
13 B2u 1015 946 4.91      
14 B2u 383 357 12.70      
15 B3g 1079 1005 0.00      
16 B3u 2701 2516 159.21      
17 B3u 1816 1692 536.81      
18 B3u 1244 1158 87.09      

Unscaled Zero Point Vibrational Energy (zpe) 14360.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 13377.9 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/6-31+G**
ABC
2.72180 0.61772 0.56720

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.877 0.000 0.000
B2 -0.877 0.000 0.000
H3 0.000 0.000 0.966
H4 0.000 0.000 -0.966
H5 1.450 1.034 0.000
H6 1.450 -1.034 0.000
H7 -1.450 1.034 0.000
H8 -1.450 -1.034 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75371.30471.30471.18261.18262.54662.5466
B21.75371.30471.30472.54662.54661.18261.1826
H31.30471.30471.93232.02642.02642.02642.0264
H41.30471.30471.93232.02642.02642.02642.0264
H51.18262.54662.02642.02642.06852.90063.5626
H61.18262.54662.02642.02642.06853.56262.9006
H72.54661.18262.02642.02642.90063.56262.0685
H82.54661.18262.02642.02643.56262.90062.0685

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.452 B1 H4 B2 84.452
H3 B1 H4 95.548 H3 B1 H5 109.019
H3 B1 H6 109.019 H3 B2 H4 95.548
H3 B2 H7 109.019 H3 B2 H8 109.019
H4 B1 H5 109.019 H4 B1 H6 109.019
H4 B2 H7 109.019 H4 B2 H8 109.019
H5 B1 H6 121.986 H7 B2 H8 121.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability