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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-52.941615
Energy at 298.15K-52.947551
HF Energy-52.774711
Nuclear repulsion energy31.763890
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 CCD/6-31G
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 2619 2512 0.00      
2 Ag 2170 2082 0.00      
3 Ag 1214 1165 0.00      
4 Ag 808 776 0.00      
5 Au 855 820 0.00      
6 B1g 2703 2593 0.00      
7 B1g 956 917 0.00      
8 B1u 1942 1863 25.63      
9 B1u 983 943 15.27      
10 B2g 1860 1785 0.00      
11 B2g 810 777 0.00      
12 B2u 2714 2604 174.19      
13 B2u 1030 989 5.64      
14 B2u 415 398 9.15      
15 B3g 1058 1016 0.00      
16 B3u 2604 2499 139.09      
17 B3u 1743 1673 572.87      
18 B3u 1212 1163 86.09      

Unscaled Zero Point Vibrational Energy (zpe) 13847.4 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 13286.6 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 CCD/6-31G
ABC
2.66048 0.59350 0.54581

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.895 0.000 0.000
B2 -0.895 0.000 0.000
H3 0.000 0.000 0.978
H4 0.000 0.000 -0.978
H5 1.480 1.046 0.000
H6 1.480 -1.046 0.000
H7 -1.480 1.046 0.000
H8 -1.480 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79021.32571.32571.19841.19842.59552.5955
B21.79021.32571.32572.59552.59551.19841.1984
H31.32571.32571.95562.05942.05942.05942.0594
H41.32571.32571.95562.05942.05942.05942.0594
H51.19842.59552.05942.05942.09162.96073.6250
H61.19842.59552.05942.05942.09163.62502.9607
H72.59551.19842.05942.05942.96073.62502.0916
H82.59551.19842.05942.05943.62502.96072.0916

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.943 B1 H4 B2 84.943
H3 B1 H4 95.057 H3 B1 H5 109.253
H3 B1 H6 109.253 H3 B2 H4 95.057
H3 B2 H7 109.253 H3 B2 H8 109.253
H4 B1 H5 109.253 H4 B1 H6 109.253
H4 B2 H7 109.253 H4 B2 H8 109.253
H5 B1 H6 121.535 H7 B2 H8 121.535
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability