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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP4=FULL/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-53.183619
Energy at 298.15K-53.189592
HF Energy-52.835185
Nuclear repulsion energy32.278799
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-pVTZ
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 2640 2559 0.00      
2 Ag 2177 2110 0.00      
3 Ag 1220 1182 0.00      
4 Ag 827 802 0.00      
5 Au 881 854 0.00      
6 B1g 2723 2639 0.00      
7 B1g 946 917 0.00      
8 B1u 2023 1960 0.00      
9 B1u 1000 969 0.00      
10 B2g 1919 1860 0.00      
11 B2g 908 880 0.00      
12 B2u 2737 2653 0.00      
13 B2u 989 959 0.00      
14 B2u 390 378 0.00      
15 B3g 1112 1078 0.00      
16 B3u 2623 2543 0.00      
17 B3u 1772 1718 0.00      
18 B3u 1207 1170 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14046.4 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 13615.2 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-pVTZ
ABC
2.70051 0.61923 0.56841

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

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 0.972
H4 0.000 0.000 -0.972
H5 1.446 1.037 0.000
H6 1.446 -1.037 0.000
H7 -1.446 1.037 0.000
H8 -1.446 -1.037 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75161.30831.30831.18381.18382.54312.5431
B21.75161.30831.30832.54312.54311.18381.1838
H31.30831.30831.94392.02782.02782.02782.0278
H41.30831.30831.94392.02782.02782.02782.0278
H51.18382.54312.02782.02782.07482.89223.5594
H61.18382.54312.02782.02782.07483.55942.8922
H72.54311.18382.02782.02782.89223.55942.0748
H82.54311.18382.02782.02783.55942.89222.0748

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.044 B1 H4 B2 84.044
H3 B1 H4 95.956 H3 B1 H5 108.814
H3 B1 H6 108.814 H3 B2 H4 95.956
H3 B2 H7 108.814 H3 B2 H8 108.814
H4 B1 H5 108.814 H4 B1 H6 108.814
H4 B2 H7 108.814 H4 B2 H8 108.814
H5 B1 H6 122.400 H7 B2 H8 122.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability