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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-3853.676573
Energy at 298.15K-3853.683912
HF Energy-3853.676573
Nuclear repulsion energy297.276124
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/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 2029 1944 0.00      
2 Ag 1523 1459 0.00      
3 Ag 730 700 0.00      
4 Ag 232 222 0.00      
5 Au 450 431 0.00      
6 B1g 2035 1950 0.00      
7 B1g 471 451 0.00      
8 B1u 1273 1220 205.85      
9 B1u 646 619 123.79      
10 B2g 1329 1274 0.00      
11 B2g 405 388 0.00      
12 B2u 2042 1957 342.35      
13 B2u 756 725 118.86      
14 B2u 206 198 5.76      
15 B3g 749 717 0.00      
16 B3u 2024 1939 125.19      
17 B3u 1344 1288 954.91      
18 B3u 671 643 515.36      

Unscaled Zero Point Vibrational Energy (zpe) 9458.0 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 9061.7 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 mPW1PW91/aug-cc-pVTZ
ABC
1.56482 0.06756 0.06619

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.296 0.000 0.000
Ga2 -1.296 0.000 0.000
H3 0.000 0.000 1.180
H4 0.000 0.000 -1.180
H5 1.947 1.406 0.000
H6 1.947 -1.406 0.000
H7 -1.947 1.406 0.000
H8 -1.947 -1.406 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.59151.75231.75231.54941.54943.53433.5343
Ga22.59151.75231.75233.53433.53431.54941.5494
H31.75231.75232.35922.67552.67552.67552.6755
H41.75231.75232.35922.67552.67552.67552.6755
H51.54943.53432.67552.67552.81183.89384.8029
H61.54943.53432.67552.67552.81184.80293.8938
H73.53431.54942.67552.67553.89384.80292.8118
H83.53431.54942.67552.67554.80293.89382.8118

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 42.314 Ga1 Ga2 H4 42.314
Ga1 Ga2 H7 114.853 Ga1 Ga2 H8 114.853
Ga1 H3 Ga2 95.371 Ga1 H4 Ga2 95.371
Ga2 Ga1 H3 42.314 Ga2 Ga1 H4 42.314
Ga2 Ga1 H5 114.853 Ga2 Ga1 H6 114.853
H3 Ga1 H4 84.629 H3 Ga1 H5 108.107
H3 Ga1 H6 108.107 H3 Ga2 H4 84.629
H3 Ga2 H7 108.107 H3 Ga2 H8 108.107
H4 Ga1 H5 108.107 H4 Ga1 H6 108.107
H4 Ga2 H7 108.107 H4 Ga2 H8 108.107
H5 Ga1 H6 130.294 H7 Ga2 H8 130.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.762      
2 Ga -0.762      
3 H 0.235      
4 H 0.235      
5 H 0.263      
6 H 0.263      
7 H 0.263      
8 H 0.263      


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 -38.775 0.000 0.000
y 0.000 -41.379 0.000
z 0.000 0.000 -35.856
Traceless
 xyz
x -0.158 0.000 0.000
y 0.000 -4.064 0.000
z 0.000 0.000 4.221
Polar
3z2-r28.443
x2-y22.604
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.981 0.000 0.000
y 0.000 9.547 0.000
z 0.000 0.000 7.805


<r2> (average value of r2) Å2
<r2> 154.097
(<r2>)1/2 12.414