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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP4=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-53.082771
Energy at 298.15K-53.088665
HF Energy-52.815796
Nuclear repulsion energy31.663487
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/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 2641 2548 0.00      
2 Ag 2192 2115 0.00      
3 Ag 1207 1165 0.00      
4 Ag 809 780 0.00      
5 Au 836 807 0.00      
6 B1g 2725 2630 0.00      
7 B1g 931 899 0.00      
8 B1u 2016 1946 0.00      
9 B1u 995 960 0.00      
10 B2g 1890 1824 0.00      
11 B2g 878 847 0.00      
12 B2u 2738 2642 0.00      
13 B2u 974 940 0.00      
14 B2u 361 348 0.00      
15 B3g 1058 1022 0.00      
16 B3u 2624 2533 0.00      
17 B3u 1751 1690 0.00      
18 B3u 1191 1150 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13908.8 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 13423.4 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/cc-pVDZ
ABC
2.61405 0.59304 0.54449

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.896 0.000 0.000
B2 -0.896 0.000 0.000
H3 0.000 0.000 0.985
H4 0.000 0.000 -0.985
H5 1.476 1.056 0.000
H6 1.476 -1.056 0.000
H7 -1.476 1.056 0.000
H8 -1.476 -1.056 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79281.33211.33211.20401.20402.59622.5962
B21.79281.33211.33212.59622.59621.20401.2040
H31.33211.33211.97072.06452.06452.06452.0645
H41.33211.33211.97072.06452.06452.06452.0645
H51.20402.59622.06452.06452.11122.95113.6285
H61.20402.59622.06452.06452.11123.62852.9511
H72.59621.20402.06452.06452.95113.62852.1112
H82.59621.20402.06452.06453.62852.95112.1112

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.587 B1 H4 B2 84.587
H3 B1 H4 95.413 H3 B1 H5 108.886
H3 B1 H6 108.886 H3 B2 H4 95.413
H3 B2 H7 108.886 H3 B2 H8 108.886
H4 B1 H5 108.886 H4 B1 H6 108.886
H4 B2 H7 108.886 H4 B2 H8 108.886
H5 B1 H6 122.497 H7 B2 H8 122.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability