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All results from a given calculation for CH3NH3 (methyl ammonium radical)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-96.371968
Energy at 298.15K-96.379129
HF Energy-96.371968
Nuclear repulsion energy47.778066
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 wB97X-D/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 A1 3094 2959 44.06      
2 A1 3053 2921 232.22      
3 A1 1414 1353 0.18      
4 A1 1378 1318 790.66      
5 A1 963 922 55.11      
6 A2 282 269 0.00      
7 E 3192 3053 2.09      
7 E 3192 3053 2.08      
8 E 2933 2805 4430.25      
8 E 2933 2805 4425.56      
9 E 1509 1443 297.56      
9 E 1509 1443 298.06      
10 E 1494 1429 18.56      
10 E 1494 1429 18.56      
11 E 1247 1193 0.59      
11 E 1247 1193 0.60      
12 E 892 853 129.76      
12 E 892 853 129.86      

Unscaled Zero Point Vibrational Energy (zpe) 16358.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15648.2 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 wB97X-D/aug-cc-pVTZ
ABC
2.78897 0.67687 0.67687

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.795
N2 0.000 0.000 0.704
H3 0.000 -1.032 -1.133
H4 -0.893 0.516 -1.133
H5 0.893 0.516 -1.133
H6 0.000 0.974 1.082
H7 -0.843 -0.487 1.082
H8 0.843 -0.487 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.49921.08541.08541.08542.11482.11482.1148
N21.49922.10642.10642.10641.04441.04441.0444
H31.08542.10641.78681.78682.98762.43172.4317
H41.08542.10641.78681.78682.43172.43172.9876
H51.08542.10641.78681.78682.43172.98762.4317
H62.11481.04442.98762.43172.43171.68621.6862
H72.11481.04442.43172.43172.98761.68621.6862
H82.11481.04442.43172.98762.43171.68621.6862

picture of methyl ammonium radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 111.233 C1 N2 H7 111.233
C1 N2 H8 111.233 N2 C1 H3 108.109
N2 C1 H4 108.109 N2 C1 H5 108.109
H3 C1 H4 110.798 H3 C1 H5 110.798
H4 C1 H5 110.798 H6 N2 H7 107.653
H6 N2 H8 107.653 H7 N2 H8 107.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.478      
2 N 0.003      
3 H 0.296      
4 H 0.296      
5 H 0.296      
6 H -0.138      
7 H -0.138      
8 H -0.138      


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 -3.215 3.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.139 0.000 0.000
y 0.000 -24.139 0.000
z 0.000 0.000 -24.281
Traceless
 xyz
x 0.071 0.000 0.000
y 0.000 0.071 0.000
z 0.000 0.000 -0.142
Polar
3z2-r2-0.283
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 51.484 0.000 0.000
y 0.000 51.481 -0.002
z 0.000 -0.002 28.319


<r2> (average value of r2) Å2
<r2> 35.710
(<r2>)1/2 5.976