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All results from a given calculation for GeH3CH3 (methyl germane)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-2115.997846
Energy at 298.15K-2116.003989
HF Energy-2115.997846
Nuclear repulsion energy120.173651
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 LSDA/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2998 2964 3.28      
2 A1 2107 2083 53.50      
3 A1 1179 1166 6.46      
4 A1 798 789 103.55      
5 A1 604 597 19.76      
6 A2 169 167 0.00      
7 E 3104 3069 1.72      
7 E 3104 3069 1.72      
8 E 2119 2095 108.73      
8 E 2119 2095 108.73      
9 E 1359 1344 4.02      
9 E 1359 1344 4.02      
10 E 870 860 3.06      
10 E 870 860 3.06      
11 E 803 794 58.45      
11 E 803 794 58.45      
12 E 467 462 8.36      
12 E 467 462 8.35      

Unscaled Zero Point Vibrational Energy (zpe) 12649.0 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 12506.1 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 LSDA/aug-cc-pVDZ
ABC
1.76283 0.28976 0.28976

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 0.386
C2 0.000 0.000 -1.553
H3 0.000 1.445 0.926
H4 -1.252 -0.723 0.926
H5 1.252 -0.723 0.926
H6 0.000 -1.036 -1.937
H7 -0.897 0.518 -1.937
H8 0.897 0.518 -1.937

Atom - Atom Distances (Å)
  Ge1 C2 H3 H4 H5 H6 H7 H8
Ge11.93921.54301.54301.54302.54382.54382.5438
C21.93922.86992.86992.86991.10501.10501.1050
H31.54302.86992.50352.50353.78903.14073.1407
H41.54302.86992.50352.50353.14073.14073.7890
H51.54302.86992.50352.50353.14073.78903.1407
H62.54381.10503.78903.14073.14071.79471.7947
H72.54381.10503.14073.14073.78901.79471.7947
H82.54381.10503.14073.78903.14071.79471.7947

picture of methyl germane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ge1 C2 H6 110.333 Ge1 C2 H7 110.333
Ge1 C2 H8 110.333 C2 Ge1 H3 110.490
C2 Ge1 H4 110.490 C2 Ge1 H5 110.490
H3 Ge1 H4 108.434 H3 Ge1 H5 108.434
H4 Ge1 H5 108.434 H6 C2 H7 108.596
H6 C2 H8 108.596 H7 C2 H8 108.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge -0.708      
2 C 0.646      
3 H 0.292      
4 H 0.292      
5 H 0.292      
6 H -0.272      
7 H -0.272      
8 H -0.272      


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 -0.729 0.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.339 0.000 0.000
y 0.000 -27.339 0.000
z 0.000 0.000 -27.222
Traceless
 xyz
x -0.059 0.000 0.000
y 0.000 -0.059 0.000
z 0.000 0.000 0.117
Polar
3z2-r20.234
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.993 0.000 0.000
y 0.000 6.994 0.000
z 0.000 0.000 8.292


<r2> (average value of r2) Å2
<r2> 59.614
(<r2>)1/2 7.721