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

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-2117.258966
Energy at 298.15K-2117.265335
HF Energy-2116.774530
Nuclear repulsion energy121.645158
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3111 2954 4.75      
2 A1 2301 2185 64.78      
3 A1 1288 1222 5.95      
4 A1 889 844 160.77      
5 A1 643 611 20.42      
6 A2 190 180 0.00      
7 E 3194 3032 4.55      
7 E 3194 3032 4.55      
8 E 2310 2193 149.36      
8 E 2310 2193 149.36      
9 E 1483 1408 2.33      
9 E 1483 1408 2.33      
10 E 957 909 20.41      
10 E 957 909 20.41      
11 E 857 813 68.13      
11 E 857 813 68.13      
12 E 499 474 11.79      
12 E 499 474 11.79      

Unscaled Zero Point Vibrational Energy (zpe) 13510.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12827.2 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 MP2=FULL/cc-pVTZ
ABC
1.82966 0.29476 0.29476

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 0.384
C2 0.000 0.000 -1.542
H3 0.000 1.421 0.904
H4 -1.231 -0.711 0.904
H5 1.231 -0.711 0.904
H6 0.000 -1.015 -1.922
H7 -0.879 0.507 -1.922
H8 0.879 0.507 -1.922

Atom - Atom Distances (Å)
  Ge1 C2 H3 H4 H5 H6 H7 H8
Ge11.92611.51311.51311.51312.51932.51932.5193
C21.92612.82882.82882.82881.08341.08341.0834
H31.51312.82882.46132.46133.73073.09713.0971
H41.51312.82882.46132.46133.09713.09713.7307
H51.51312.82882.46132.46133.09713.73073.0971
H62.51931.08343.73073.09713.09711.75751.7575
H72.51931.08343.09713.09713.73071.75751.7575
H82.51931.08343.09713.73073.09711.75751.7575

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 110.524 Ge1 C2 H7 110.524
Ge1 C2 H8 110.524 C2 Ge1 H3 110.093
C2 Ge1 H4 110.093 C2 Ge1 H5 110.093
H3 Ge1 H4 108.842 H3 Ge1 H5 108.842
H4 Ge1 H5 108.842 H6 C2 H7 108.399
H6 C2 H8 108.399 H7 C2 H8 108.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability