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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-3831.615403
Energy at 298.15K-3831.622776
HF Energy-3831.445665
Nuclear repulsion energy294.281263
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 MP2/3-21G*
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 1980 1884 0.00      
2 Ag 1526 1452 0.00      
3 Ag 740 704 0.00      
4 Ag 238 226 0.00      
5 Au 465 442 0.00      
6 B1g 1985 1888 0.00      
7 B1g 484 461 0.00      
8 B1u 1310 1247 207.16      
9 B1u 650 618 126.92      
10 B2g 1338 1273 0.00      
11 B2g 410 390 0.00      
12 B2u 1990 1893 305.04      
13 B2u 778 740 137.63      
14 B2u 203 193 4.84      
15 B3g 772 734 0.00      
16 B3u 1974 1878 117.94      
17 B3u 1368 1302 1135.40      
18 B3u 689 656 479.43      

Unscaled Zero Point Vibrational Energy (zpe) 9450.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 8989.7 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 MP2/3-21G*
ABC
1.50315 0.06660 0.06525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.304 0.000 0.000
Ga2 -1.304 0.000 0.000
H3 0.000 0.000 1.217
H4 0.000 0.000 -1.217
H5 1.979 1.429 0.000
H6 1.979 -1.429 0.000
H7 -1.979 1.429 0.000
H8 -1.979 -1.429 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.60761.78331.78331.58061.58063.58073.5807
Ga22.60761.78331.78333.58073.58071.58061.5806
H31.78331.78332.43322.72762.72762.72762.7276
H41.78331.78332.43322.72762.72762.72762.7276
H51.58063.58072.72762.72762.85793.95874.8825
H61.58063.58072.72762.72762.85794.88253.9587
H73.58071.58062.72762.72763.95874.88252.8579
H83.58071.58062.72762.72764.88253.95872.8579

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 43.018 Ga1 Ga2 H4 43.018
Ga1 Ga2 H7 115.303 Ga1 Ga2 H8 115.303
Ga1 H3 Ga2 93.964 Ga1 H4 Ga2 93.964
Ga2 Ga1 H3 43.018 Ga2 Ga1 H4 43.018
Ga2 Ga1 H5 115.303 Ga2 Ga1 H6 115.303
H3 Ga1 H4 86.036 H3 Ga1 H5 108.209
H3 Ga1 H6 108.209 H3 Ga2 H4 86.036
H3 Ga2 H7 108.209 H3 Ga2 H8 108.209
H4 Ga1 H5 108.209 H4 Ga1 H6 108.209
H4 Ga2 H7 108.209 H4 Ga2 H8 108.209
H5 Ga1 H6 129.394 H7 Ga2 H8 129.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability