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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-3833.754861
Energy at 298.15K-3833.762093
HF Energy-3833.754861
Nuclear repulsion energy297.980406
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 PBEPBEultrafine/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 1839 1822 0.00      
2 Ag 1466 1453 0.00      
3 Ag 788 781 0.00      
4 Ag 205 203 0.00      
5 Au 428 424 0.00      
6 B1g 1843 1826 0.00      
7 B1g 466 462 0.00      
8 B1u 1219 1208 205.69      
9 B1u 607 602 99.12      
10 B2g 1306 1294 0.00      
11 B2g 377 374 0.00      
12 B2u 1849 1832 348.57      
13 B2u 757 750 143.17      
14 B2u 230 228 2.97      
15 B3g 644 638 0.00      
16 B3u 1830 1814 120.07      
17 B3u 1311 1299 824.88      
18 B3u 738 732 503.90      

Unscaled Zero Point Vibrational Energy (zpe) 8951.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8870.4 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 PBEPBEultrafine/3-21G
ABC
1.56130 0.06819 0.06685

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.288 0.000 0.000
Ga2 -1.288 0.000 0.000
H3 0.000 0.000 1.203
H4 0.000 0.000 -1.203
H5 1.973 1.398 0.000
H6 1.973 -1.398 0.000
H7 -1.973 1.398 0.000
H8 -1.973 -1.398 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.57551.76241.76241.55691.55693.54773.5477
Ga22.57551.76241.76243.54773.54771.55691.5569
H31.76241.76242.40662.70092.70092.70092.7009
H41.76241.76242.40662.70092.70092.70092.7009
H51.55693.54772.70092.70092.79603.94594.8361
H61.55693.54772.70092.70092.79604.83613.9459
H73.54771.55692.70092.70093.94594.83612.7960
H83.54771.55692.70092.70094.83613.94592.7960

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 43.058 Ga1 Ga2 H4 43.058
Ga1 Ga2 H7 116.111 Ga1 Ga2 H8 116.111
Ga1 H3 Ga2 93.883 Ga1 H4 Ga2 93.883
Ga2 Ga1 H3 43.058 Ga2 Ga1 H4 43.058
Ga2 Ga1 H5 116.111 Ga2 Ga1 H6 116.111
H3 Ga1 H4 86.117 H3 Ga1 H5 108.758
H3 Ga1 H6 108.758 H3 Ga2 H4 86.117
H3 Ga2 H7 108.758 H3 Ga2 H8 108.758
H4 Ga1 H5 108.758 H4 Ga1 H6 108.758
H4 Ga2 H7 108.758 H4 Ga2 H8 108.758
H5 Ga1 H6 127.777 H7 Ga2 H8 127.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga 0.260      
2 Ga 0.260      
3 H -0.162      
4 H -0.162      
5 H -0.049      
6 H -0.049      
7 H -0.049      
8 H -0.049      


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 -39.607 0.000 0.000
y 0.000 -42.225 0.000
z 0.000 0.000 -36.923
Traceless
 xyz
x -0.034 0.000 0.000
y 0.000 -3.960 0.000
z 0.000 0.000 3.993
Polar
3z2-r27.987
x2-y22.617
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.310 0.000 0.000
y 0.000 7.424 0.000
z 0.000 0.000 5.667


<r2> (average value of r2) Å2
<r2> 153.821
(<r2>)1/2 12.402