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

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-95.062466
Energy at 298.15K-95.065847
HF Energy-95.062466
Nuclear repulsion energy37.024860
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/STO-3G
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 3236 2994 43.61      
2 A1 3218 2977 4.00      
3 A1 1307 1209 0.82      
4 A1 573 530 2.29      
5 A1 154 142 8.46      
6 A2 38 35 0.00      
7 E 3508 3245 24.77      
7 E 3508 3245 24.77      
8 E 3474 3214 4.16      
8 E 3474 3214 4.16      
9 E 1874 1734 1.18      
9 E 1874 1734 1.18      
10 E 1544 1429 0.06      
10 E 1544 1429 0.06      
11 E 265 245 0.17      
11 E 265 245 0.17      
12 E 75 69 73.03      
12 E 75 69 73.03      

Unscaled Zero Point Vibrational Energy (zpe) 15001.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 13879.2 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 BLYP/STO-3G
ABC
2.66427 0.25719 0.25719

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.448
N2 0.000 0.000 1.208
H3 0.000 -1.086 -1.626
H4 -0.940 0.543 -1.626
H5 0.940 0.543 -1.626
H6 0.000 0.956 1.703
H7 -0.828 -0.478 1.703
H8 0.828 -0.478 1.703

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C12.65701.10031.10031.10033.29303.29303.2930
N22.65703.03513.03513.03511.07601.07601.0760
H31.10033.03511.88091.88093.90473.48333.4833
H41.10033.03511.88091.88093.48333.48333.9047
H51.10033.03511.88091.88093.48333.90473.4833
H63.29301.07603.90473.48333.48331.65541.6554
H73.29301.07603.48333.48333.90471.65541.6554
H83.29301.07603.48333.90473.48331.65541.6554

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 117.346 C1 N2 H7 117.346
C1 N2 H8 117.346 N2 C1 H3 99.269
N2 C1 H4 99.269 N2 C1 H5 99.269
H3 C1 H4 117.457 H3 C1 H5 117.457
H4 C1 H5 117.457 H6 N2 H7 100.573
H6 N2 H8 100.573 H7 N2 H8 100.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 N -0.389      
3 H 0.049      
4 H 0.049      
5 H 0.049      
6 H 0.147      
7 H 0.147      
8 H 0.147      


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 2.399 2.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.914 0.000 0.000
y 0.000 -12.914 0.000
z 0.000 0.000 -9.446
Traceless
 xyz
x -1.734 0.000 0.000
y 0.000 -1.734 0.000
z 0.000 0.000 3.468
Polar
3z2-r26.936
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 1.729 0.000 0.000
y 0.000 1.729 0.000
z 0.000 0.000 2.188


<r2> (average value of r2) Å2
<r2> 53.060
(<r2>)1/2 7.284