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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP4=FULL/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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-53.093123
Energy at 298.15K-53.099024
HF Energy-52.817092
Nuclear repulsion energy31.751511
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 MP4=FULL/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 2620 2555 0.00      
2 Ag 2171 2117 0.00      
3 Ag 1193 1164 0.00      
4 Ag 807 787 0.00      
5 Au 838 818 0.00      
6 B1g 2698 2631 0.00      
7 B1g 927 904 0.00      
8 B1u 1992 1942 0.00      
9 B1u 985 960 0.00      
10 B2g 1890 1843 0.00      
11 B2g 886 864 0.00      
12 B2u 2714 2647 0.00      
13 B2u 962 939 0.00      
14 B2u 367 358 0.00      
15 B3g 1056 1030 0.00      
16 B3u 2604 2539 0.00      
17 B3u 1750 1707 0.00      
18 B3u 1179 1150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13819.5 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 13476.7 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 MP4=FULL/aug-cc-pVDZ
ABC
2.62746 0.59635 0.54732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.894 0.000 0.000
B2 -0.894 0.000 0.000
H3 0.000 0.000 0.981
H4 0.000 0.000 -0.981
H5 1.471 1.054 0.000
H6 1.471 -1.054 0.000
H7 -1.471 1.054 0.000
H8 -1.471 -1.054 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78841.32781.32781.20091.20092.58902.5890
B21.78841.32781.32782.58902.58901.20091.2009
H31.32781.32781.96302.05822.05822.05822.0582
H41.32781.32781.96302.05822.05822.05822.0582
H51.20092.58902.05822.05822.10702.94143.6182
H61.20092.58902.05822.05822.10703.61822.9414
H72.58901.20092.05822.05822.94143.61822.1070
H82.58901.20092.05822.05823.61822.94142.1070

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.672 B1 H4 B2 84.672
H3 B1 H4 95.328 H3 B1 H5 108.862
H3 B1 H6 108.862 H3 B2 H4 95.328
H3 B2 H7 108.862 H3 B2 H8 108.862
H4 B1 H5 108.862 H4 B1 H6 108.862
H4 B2 H7 108.862 H4 B2 H8 108.862
H5 B1 H6 122.624 H7 B2 H8 122.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability