return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for Ga2H6 (digallane)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-518.307122
Energy at 298.15K-518.314596
HF Energy-517.753062
Nuclear repulsion energy159.726642
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/CEP-121G
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 2068 2019 0.00      
2 Ag 1561 1523 0.00      
3 Ag 773 755 0.00      
4 Ag 237 231 0.00      
5 Au 474 463 0.00      
6 B1g 2073 2023 0.00      
7 B1g 494 482 0.00      
8 B1u 1304 1273 287.27      
9 B1u 667 651 144.38      
10 B2g 1361 1328 0.00      
11 B2g 373 364 0.00      
12 B2u 2079 2029 388.82      
13 B2u 806 787 183.92      
14 B2u 228 223 4.75      
15 B3g 777 759 0.00      
16 B3u 2063 2013 126.22      
17 B3u 1399 1366 1198.27      
18 B3u 712 694 580.44      

Unscaled Zero Point Vibrational Energy (zpe) 9724.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 9490.8 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/CEP-121G
ABC
1.58030 0.06779 0.06643

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.293 0.000 0.000
Ga2 -1.293 0.000 0.000
H3 0.000 0.000 1.173
H4 0.000 0.000 -1.173
H5 1.947 1.399 0.000
H6 1.947 -1.399 0.000
H7 -1.947 1.399 0.000
H8 -1.947 -1.399 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.58681.74631.74631.54441.54443.52973.5297
Ga22.58681.74631.74633.52973.52971.54441.5444
H31.74631.74632.34682.66942.66942.66942.6694
H41.74631.74632.34682.66942.66942.66942.6694
H51.54443.52972.66942.66942.79843.89434.7955
H61.54443.52972.66942.66942.79844.79553.8943
H73.52971.54442.66942.66943.89434.79552.7984
H83.52971.54442.66942.66944.79553.89432.7984

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 42.215 Ga1 Ga2 H4 42.215
Ga1 Ga2 H7 115.044 Ga1 Ga2 H8 115.044
Ga1 H3 Ga2 95.570 Ga1 H4 Ga2 95.570
Ga2 Ga1 H3 42.215 Ga2 Ga1 H4 42.215
Ga2 Ga1 H5 115.044 Ga2 Ga1 H6 115.044
H3 Ga1 H4 84.430 H3 Ga1 H5 108.271
H3 Ga1 H6 108.271 H3 Ga2 H4 84.430
H3 Ga2 H7 108.271 H3 Ga2 H8 108.271
H4 Ga1 H5 108.271 H4 Ga1 H6 108.271
H4 Ga2 H7 108.271 H4 Ga2 H8 108.271
H5 Ga1 H6 129.912 H7 Ga2 H8 129.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability