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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD=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 CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-53.174240
Energy at 298.15K-53.180208
HF Energy-52.836018
Nuclear repulsion energy32.274947
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/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 2655 2655        
2 Ag 2204 2204        
3 Ag 1231 1231        
4 Ag 828 828        
5 Au 870 870        
6 B1g 2725 2725        
7 B1g 957 957        
8 B1u 2019 2019 11.19      
9 B1u 1012 1012 25.31      
10 B2g 1904 1904        
11 B2g 914 914        
12 B2u 2739 2739 172.38      
13 B2u 1008 1008 0.94      
14 B2u 388 388 16.34      
15 B3g 1091 1091        
16 B3u 2639 2639 147.53      
17 B3u 1769 1769 500.04      
18 B3u 1220 1220 76.92      

Unscaled Zero Point Vibrational Energy (zpe) 14087.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14087.7 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/Def2TZVPP
ABC
2.71027 0.61802 0.56762

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.876 0.000 0.000
B2 -0.876 0.000 0.000
H3 0.000 0.000 0.971
H4 0.000 0.000 -0.971
H5 1.450 1.035 0.000
H6 1.450 -1.035 0.000
H7 -1.450 1.035 0.000
H8 -1.450 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75251.30761.30761.18351.18352.54592.5459
B21.75251.30761.30762.54592.54591.18351.1835
H31.30761.30761.94122.02872.02872.02872.0287
H41.30761.30761.94122.02872.02872.02872.0287
H51.18352.54592.02872.02872.07062.89933.5628
H61.18352.54592.02872.02872.07063.56282.8993
H72.54591.18352.02872.02872.89933.56282.0706
H82.54591.18352.02872.02873.56282.89932.0706

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.151 B1 H4 B2 84.151
H3 B1 H4 95.849 H3 B1 H5 108.946
H3 B1 H6 108.946 H3 B2 H4 95.849
H3 B2 H7 108.946 H3 B2 H8 108.946
H4 B1 H5 108.946 H4 B1 H6 108.946
H4 B2 H7 108.946 H4 B2 H8 108.946
H5 B1 H6 122.040 H7 B2 H8 122.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability