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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-2117.026570
Energy at 298.15K-2117.032861
HF Energy-2117.026570
Nuclear repulsion energy120.688350
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 mPW1PW91/6-31G(2df,p)
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 3080 2940 4.38      
2 A1 2194 2095 70.47      
3 A1 1268 1211 3.02      
4 A1 853 814 138.39      
5 A1 648 619 21.52      
6 A2 177 169 0.00      
7 E 3173 3029 5.43      
7 E 3173 3029 5.43      
8 E 2195 2096 150.56      
8 E 2195 2096 150.55      
9 E 1472 1405 1.64      
9 E 1472 1405 1.64      
10 E 913 871 8.83      
10 E 913 871 8.83      
11 E 849 811 76.00      
11 E 849 811 75.99      
12 E 492 470 10.52      
12 E 492 470 10.51      

Unscaled Zero Point Vibrational Energy (zpe) 13204.2 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 12606.0 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 mPW1PW91/6-31G(2df,p)
ABC
1.80869 0.29019 0.29019

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

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 1.429 0.926
H4 -1.237 -0.714 0.926
H5 1.237 -0.714 0.926
H6 0.000 -1.021 -1.939
H7 -0.884 0.510 -1.939
H8 0.884 0.510 -1.939

Atom - Atom Distances (Å)
  Ge1 C2 H3 H4 H5 H6 H7 H8
Ge11.93961.52701.52701.52702.53962.53962.5396
C21.93962.86102.86102.86101.09121.09121.0912
H31.52702.86102.47442.47443.76903.13543.1354
H41.52702.86102.47442.47443.13543.13543.7690
H51.52702.86102.47442.47443.13543.76903.1354
H62.53961.09123.76903.13543.13541.76791.7679
H72.53961.09123.13543.13543.76901.76791.7679
H82.53961.09123.13543.76903.13541.76791.7679

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 110.709 Ge1 C2 H7 110.708
Ge1 C2 H8 110.708 C2 Ge1 H3 110.681
C2 Ge1 H4 110.681 C2 Ge1 H5 110.681
H3 Ge1 H4 108.235 H3 Ge1 H5 108.235
H4 Ge1 H5 108.235 H6 C2 H7 108.206
H6 C2 H8 108.206 H7 C2 H8 108.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.104      
2 C -0.574      
3 H -0.008      
4 H -0.008      
5 H -0.008      
6 H 0.165      
7 H 0.165      
8 H 0.165      


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 -0.898 0.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.940 0.000 0.000
y 0.000 -26.940 0.000
z 0.000 0.000 -26.522
Traceless
 xyz
x -0.209 0.000 0.000
y 0.000 -0.209 0.000
z 0.000 0.000 0.419
Polar
3z2-r20.838
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 5.800 0.000 0.000
y 0.000 5.800 0.000
z 0.000 0.000 6.837


<r2> (average value of r2) Å2
<r2> 59.089
(<r2>)1/2 7.687