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: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-3808.488451
Energy at 298.15K 
HF Energy-3808.488451
Nuclear repulsion energy364.837174
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 mPW1PW91/STO-3G
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 2224 1955 0.00      
2 Ag 1525 1340 0.00      
3 Ag 904 795 0.00      
4 Ag 431 379 0.00      
5 Au 672 591 0.00      
6 B1g 1992 1751 0.00      
7 B1g 518 455 0.00      
8 B1u 1326 1165 13.09      
9 B1u 799 702 44.09      
10 B2g 955 839 0.00      
11 B2g 283i 248i 0.00      
12 B2u 1958 1721 69.95      
13 B2u 556 488 0.31      
14 B2u 168i 148i 9.72      
15 B3g 748 658 0.00      
16 B3u 2162 1900 156.26      
17 B3u 930 818 0.64      
18 B3u 791i 695i 124.40      

Unscaled Zero Point Vibrational Energy (zpe) 8229.2 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 7232.6 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 mPW1PW91/STO-3G
ABC
2.00449 0.10682 0.10535

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.019 0.000 0.000
Ga2 -1.019 0.000 0.000
H3 0.000 0.000 1.242
H4 0.000 0.000 -1.242
H5 1.704 1.147 0.000
H6 1.704 -1.147 0.000
H7 -1.704 1.147 0.000
H8 -1.704 -1.147 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.03711.60641.60641.33571.33572.95392.9539
Ga22.03711.60641.60642.95392.95391.33571.3357
H31.60641.60642.48442.40012.40012.40012.4001
H41.60641.60642.48442.40012.40012.40012.4001
H51.33572.95392.40012.40012.29323.40754.1073
H61.33572.95392.40012.40012.29324.10733.4075
H72.95391.33572.40012.40013.40754.10732.2932
H82.95391.33572.40012.40014.10733.40752.2932

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 50.650 Ga1 Ga2 H4 50.650
Ga1 Ga2 H7 120.863 Ga1 Ga2 H8 120.863
Ga1 H3 Ga2 78.700 Ga1 H4 Ga2 78.700
Ga2 Ga1 H3 50.650 Ga2 Ga1 H4 50.650
Ga2 Ga1 H5 120.863 Ga2 Ga1 H6 120.863
H3 Ga1 H4 101.300 H3 Ga1 H5 108.982
H3 Ga1 H6 108.982 H3 Ga2 H4 101.300
H3 Ga2 H7 108.982 H3 Ga2 H8 108.982
H4 Ga1 H5 108.982 H4 Ga1 H6 108.982
H4 Ga2 H7 108.982 H4 Ga2 H8 108.982
H5 Ga1 H6 118.273 H7 Ga2 H8 118.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.107      
2 Ga 0.107      
3 H -0.011      
4 H -0.011      
5 H -0.048      
6 H -0.048      
7 H -0.048      
8 H -0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.114 0.000 0.000
y 0.000 -40.566 0.000
z 0.000 0.000 -34.843
Traceless
 xyz
x -4.410 0.000 0.000
y 0.000 -2.087 0.000
z 0.000 0.000 6.497
Polar
3z2-r212.993
x2-y2-1.548
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.059 0.000 0.000
y 0.000 2.314 0.000
z 0.000 0.000 3.110


<r2> (average value of r2) Å2
<r2> 108.743
(<r2>)1/2 10.428