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

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-96.318399
Energy at 298.15K-96.325550
HF Energy-96.181192
Nuclear repulsion energy47.692966
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 B2PLYP/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 3088 2968 67.94      
2 A1 3025 2907 60.53      
3 A1 1419 1364 0.56      
4 A1 1380 1326 610.98      
5 A1 938 901 52.17      
6 A2 277 267 0.00      
7 E 3186 3062 0.29      
7 E 3186 3062 0.29      
8 E 2949 2834 2606.57      
8 E 2949 2834 2607.81      
9 E 1518 1459 138.23      
9 E 1518 1459 138.28      
10 E 1497 1438 11.46      
10 E 1497 1438 11.42      
11 E 1254 1205 0.37      
11 E 1254 1205 0.37      
12 E 891 856 83.96      
12 E 891 856 83.98      

Unscaled Zero Point Vibrational Energy (zpe) 16359.0 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 15721.0 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 B2PLYP/aug-cc-pVTZ
ABC
2.78120 0.67301 0.67301

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.797
N2 0.000 0.000 0.705
H3 0.000 -1.031 -1.133
H4 -0.893 0.516 -1.133
H5 0.893 0.516 -1.133
H6 0.000 0.970 1.083
H7 -0.840 -0.485 1.083
H8 0.840 -0.485 1.083

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.50231.08451.08451.08452.11612.11612.1161
N21.50232.10762.10762.10761.04131.04131.0413
H31.08452.10761.78611.78612.98632.43242.4324
H41.08452.10761.78611.78612.43242.43242.9863
H51.08452.10761.78611.78612.43242.98632.4324
H62.11611.04132.98632.43242.43241.68051.6805
H72.11611.04132.43242.43242.98631.68051.6805
H82.11611.04132.43242.98632.43241.68051.6805

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 111.299 C1 N2 H7 111.299
C1 N2 H8 111.299 N2 C1 H3 108.036
N2 C1 H4 108.036 N2 C1 H5 108.036
H3 C1 H4 110.868 H3 C1 H5 110.868
H4 C1 H5 110.867 H6 N2 H7 107.583
H6 N2 H8 107.583 H7 N2 H8 107.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.588      
2 N -0.018      
3 H 0.302      
4 H 0.302      
5 H 0.302      
6 H -0.099      
7 H -0.099      
8 H -0.099      


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 -2.634 2.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.195 0.000 0.000
y 0.000 -24.195 0.000
z 0.000 0.000 -22.912
Traceless
 xyz
x -0.642 0.000 0.000
y 0.000 -0.642 0.000
z 0.000 0.000 1.283
Polar
3z2-r22.566
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 43.377 -0.001 0.004
y -0.001 43.372 -0.007
z 0.004 -0.007 26.618


<r2> (average value of r2) Å2
<r2> 35.524
(<r2>)1/2 5.960