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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-96.303764
Energy at 298.15K-96.310618
HF Energy-96.303764
Nuclear repulsion energy46.486463
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 B3LYP/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 3080 2963 47.90      
2 A1 2465 2372 96.38      
3 A1 1349 1298 133.85      
4 A1 1160 1116 26.43      
5 A1 762 733 4.03      
6 A2 250 240 0.00      
7 E 3184 3063 19.50      
7 E 3184 3063 19.49      
8 E 1655 1592 2398.99      
8 E 1655 1592 2399.31      
9 E 1511 1454 59.12      
9 E 1511 1454 59.11      
10 E 1215 1169 0.12      
10 E 1215 1169 0.12      
11 E 912 877 771.42      
11 E 912 877 771.25      
12 E 831 799 858.18      
12 E 831 799 858.33      

Unscaled Zero Point Vibrational Energy (zpe) 13840.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 13314.4 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 B3LYP/6-31G
ABC
2.58937 0.64633 0.64633

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.815
N2 0.000 0.000 0.724
H3 0.000 -1.040 -1.144
H4 -0.901 0.520 -1.144
H5 0.901 0.520 -1.144
H6 0.000 1.035 1.086
H7 -0.897 -0.518 1.086
H8 0.897 -0.518 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.53881.09061.09061.09062.16492.16492.1649
N21.53882.13732.13732.13731.09691.09691.0969
H31.09062.13731.80121.80123.04612.45942.4594
H41.09062.13731.80121.80122.45942.45943.0461
H51.09062.13731.80121.80122.45943.04612.4594
H62.16491.09693.04612.45942.45941.79311.7931
H72.16491.09692.45942.45943.04611.79311.7931
H82.16491.09692.45943.04612.45941.79311.7931

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 109.299 C1 N2 H7 109.299
C1 N2 H8 109.299 N2 C1 H3 107.529
N2 C1 H4 107.529 N2 C1 H5 107.529
H3 C1 H4 111.341 H3 C1 H5 111.341
H4 C1 H5 111.341 H6 N2 H7 109.643
H6 N2 H8 109.643 H7 N2 H8 109.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.297      
2 N -0.400      
3 H 0.152      
4 H 0.152      
5 H 0.152      
6 H 0.081      
7 H 0.081      
8 H 0.081      


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 -1.044 1.044
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.864 0.000 0.000
y 0.000 -16.864 0.000
z 0.000 0.000 -16.665
Traceless
 xyz
x -0.099 0.000 0.000
y 0.000 -0.099 0.000
z 0.000 0.000 0.198
Polar
3z2-r20.397
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 7.536 0.000 0.000
y 0.000 7.537 0.000
z 0.000 0.000 5.319


<r2> (average value of r2) Å2
<r2> 32.067
(<r2>)1/2 5.663