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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD/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/cc-pVDZ
 hartrees
Energy at 0K-53.074195
Energy at 298.15K-53.080102
HF Energy-52.815790
Nuclear repulsion energy31.646628
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/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 2636 2497        
2 Ag 2193 2077        
3 Ag 1210 1147        
4 Ag 811 768        
5 Au 837 793        
6 B1g 2717 2574        
7 B1g 934 885        
8 B1u 2014 1907 18.87      
9 B1u 999 947 20.34      
10 B2g 1881 1782        
11 B2g 877 830        
12 B2u 2730 2586 182.21      
13 B2u 988 936 1.86      
14 B2u 367 347 14.23      
15 B3g 1068 1012        
16 B3u 2619 2481 153.50      
17 B3u 1753 1661 555.12      
18 B3u 1194 1131 90.05      

Unscaled Zero Point Vibrational Energy (zpe) 13914.2 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 13181.0 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/cc-pVDZ
ABC
2.61411 0.59218 0.54384

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.897 0.000 0.000
B2 -0.897 0.000 0.000
H3 0.000 0.000 0.986
H4 0.000 0.000 -0.986
H5 1.477 1.055 0.000
H6 1.477 -1.055 0.000
H7 -1.477 1.055 0.000
H8 -1.477 -1.055 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79381.33281.33281.20431.20432.59802.5980
B21.79381.33281.33282.59802.59801.20431.2043
H31.33281.33281.97172.06582.06582.06582.0658
H41.33281.33281.97172.06582.06582.06582.0658
H51.20432.59802.06582.06582.11062.95433.6308
H61.20432.59802.06582.06582.11063.63082.9543
H72.59801.20432.06582.06582.95433.63082.1106
H82.59801.20432.06582.06583.63082.95432.1106

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.589 B1 H4 B2 84.589
H3 B1 H4 95.411 H3 B1 H5 108.918
H3 B1 H6 108.918 H3 B2 H4 95.411
H3 B2 H7 108.918 H3 B2 H8 108.918
H4 B1 H5 108.918 H4 B1 H6 108.918
H4 B2 H7 108.918 H4 B2 H8 108.918
H5 B1 H6 122.394 H7 B2 H8 122.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability