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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-53.082632
Energy at 298.15K-53.088543
HF Energy-52.817084
Nuclear repulsion energy31.724740
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/aug-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 2615 2520        
2 Ag 2171 2092        
3 Ag 1200 1156        
4 Ag 807 778        
5 Au 837 807        
6 B1g 2691 2592        
7 B1g 929 895        
8 B1u 1988 1916 15.96      
9 B1u 990 953 26.02      
10 B2g 1880 1811        
11 B2g 880 848        
12 B2u 2707 2608 182.01      
13 B2u 977 941 2.34      
14 B2u 373 359 15.28      
15 B3g 1065 1026        
16 B3u 2599 2504 148.72      
17 B3u 1750 1686 550.40      
18 B3u 1184 1140 89.95      

Unscaled Zero Point Vibrational Energy (zpe) 13820.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 13314.9 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 CCSD/aug-cc-pVDZ
ABC
2.62654 0.59506 0.54632

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

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 0.982
H4 0.000 0.000 -0.982
H5 1.473 1.053 0.000
H6 1.473 -1.053 0.000
H7 -1.473 1.053 0.000
H8 -1.473 -1.053 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79001.32901.32901.20151.20152.59172.5917
B21.79001.32901.32902.59172.59171.20151.2015
H31.32901.32901.96482.06022.06022.06022.0602
H41.32901.32901.96482.06022.06022.06022.0602
H51.20152.59172.06022.06022.10672.94613.6218
H61.20152.59172.06022.06022.10673.62182.9461
H72.59171.20152.06022.06022.94613.62182.1067
H82.59171.20152.06022.06023.62182.94612.1067

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.667 B1 H4 B2 84.667
H3 B1 H4 95.333 H3 B1 H5 108.905
H3 B1 H6 108.905 H3 B2 H4 95.333
H3 B2 H7 108.905 H3 B2 H8 108.905
H4 B1 H5 108.905 H4 B1 H6 108.905
H4 B2 H7 108.905 H4 B2 H8 108.905
H5 B1 H6 122.485 H7 B2 H8 122.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability