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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD=FULL/daug-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 CCSD=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-53.089610
Energy at 298.15K-53.095540
HF Energy-52.817794
Nuclear repulsion energy31.799944
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 CCSD=FULL/daug-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 2622 2622        
2 Ag 2181 2181        
3 Ag 1204 1204        
4 Ag 813 813        
5 Au 845 845        
6 B1g 2699 2699        
7 B1g 936 936        
8 B1u 1998 1998 15.12      
9 B1u 997 997 26.08      
10 B2g 1891 1891        
11 B2g 888 888        
12 B2u 2714 2714 180.73      
13 B2u 984 984 2.24      
14 B2u 375 375 15.33      
15 B3g 1075 1075        
16 B3u 2606 2606 149.64      
17 B3u 1758 1758 542.77      
18 B3u 1191 1191 87.74      

Unscaled Zero Point Vibrational Energy (zpe) 13886.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13886.8 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 CCSD=FULL/daug-cc-pVDZ
ABC
2.63908 0.59806 0.54903

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.892 0.000 0.000
B2 -0.892 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.470 1.051 0.000
H6 1.470 -1.051 0.000
H7 -1.470 1.051 0.000
H8 -1.470 -1.051 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78491.32531.32531.19941.19942.58602.5860
B21.78491.32531.32532.58602.58601.19941.1994
H31.32531.32531.95962.05592.05592.05592.0559
H41.32531.32531.95962.05592.05592.05592.0559
H51.19942.58602.05592.05592.10192.94083.6147
H61.19942.58602.05592.05592.10193.61472.9408
H72.58601.19942.05592.05592.94083.61472.1019
H82.58601.19942.05592.05593.61472.94082.1019

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.655 B1 H4 B2 84.655
H3 B1 H4 95.345 H3 B1 H5 108.934
H3 B1 H6 108.934 H3 B2 H4 95.345
H3 B2 H7 108.934 H3 B2 H8 108.934
H4 B1 H5 108.934 H4 B1 H6 108.934
H4 B2 H7 108.934 H4 B2 H8 108.934
H5 B1 H6 122.385 H7 B2 H8 122.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability