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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 2A1
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-96.270708
Energy at 298.15K-96.277152
HF Energy-96.270708
Nuclear repulsion energy46.222025
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 BLYP/6-31G*
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 2997 2973 61.48      
2 A1 2334 2315 100.84      
3 A1 1266 1256 137.72      
4 A1 1084 1075 9.44      
5 A1 711 705 9.13      
6 A2 260 258 0.00      
7 E 3088 3063 23.63      
7 E 3088 3063 23.63      
8 E 1608 1595 1475.33      
8 E 1608 1595 1475.48      
9 E 1449 1437 71.69      
9 E 1449 1437 71.67      
10 E 1169 1160 5.05      
10 E 1169 1160 5.05      
11 E 833 826 36.77      
11 E 833 826 36.77      
12 E 513 509 1567.73      
12 E 513 509 1567.42      

Unscaled Zero Point Vibrational Energy (zpe) 12985.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 12880.7 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 BLYP/6-31G*
ABC
2.52013 0.64457 0.64457

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.812
N2 0.000 0.000 0.718
H3 0.000 -1.049 -1.141
H4 -0.908 0.525 -1.141
H5 0.908 0.525 -1.141
H6 0.000 1.027 1.091
H7 -0.890 -0.514 1.091
H8 0.890 -0.514 1.091

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.53021.09921.09921.09922.16282.16282.1628
N21.53022.13422.13422.13421.09281.09281.0928
H31.09922.13421.81691.81693.04812.46142.4614
H41.09922.13421.81691.81692.46142.46143.0481
H51.09922.13421.81691.81692.46143.04812.4614
H62.16281.09283.04812.46142.46141.77911.7791
H72.16281.09282.46142.46143.04811.77911.7791
H82.16281.09282.46143.04812.46141.77911.7791

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 109.962 C1 N2 H7 109.962
C1 N2 H8 109.962 N2 C1 H3 107.384
N2 C1 H4 107.384 N2 C1 H5 107.384
H3 C1 H4 111.475 H3 C1 H5 111.475
H4 C1 H5 111.476 H6 N2 H7 108.976
H6 N2 H8 108.976 H7 N2 H8 108.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 N -0.343      
3 H 0.145      
4 H 0.145      
5 H 0.145      
6 H 0.074      
7 H 0.074      
8 H 0.074      


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 -0.944 0.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.845 0.000 0.000
y 0.000 -16.845 0.000
z 0.000 0.000 -16.676
Traceless
 xyz
x -0.084 0.000 0.000
y 0.000 -0.084 0.000
z 0.000 0.000 0.169
Polar
3z2-r20.337
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 7.101 0.000 0.000
y 0.000 7.102 0.000
z 0.000 0.000 5.432


<r2> (average value of r2) Å2
<r2> 32.199
(<r2>)1/2 5.674