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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-96.336490
Energy at 298.15K-96.342997
HF Energy-96.336490
Nuclear repulsion energy46.853392
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 B3LYPultrafine/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 3065 2945 57.24      
2 A1 2480 2382 96.55      
3 A1 1316 1265 127.12      
4 A1 1123 1079 12.43      
5 A1 805 773 20.22      
6 A2 274 263 0.00      
7 E 3162 3038 17.70      
7 E 3162 3038 17.70      
8 E 1648 1584 2079.26      
8 E 1648 1584 2079.29      
9 E 1479 1421 84.11      
9 E 1479 1421 84.11      
10 E 1211 1163 5.73      
10 E 1211 1163 5.73      
11 E 856 823 17.51      
11 E 856 823 17.52      
12 E 488 469 2192.22      
12 E 488 469 2192.28      

Unscaled Zero Point Vibrational Energy (zpe) 13374.7 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 12850.4 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 B3LYPultrafine/6-31G**
ABC
2.58443 0.66354 0.66354

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.801
N2 0.000 0.000 0.715
H3 0.000 -1.040 -1.131
H4 -0.900 0.520 -1.131
H5 0.900 0.520 -1.131
H6 0.000 1.038 1.064
H7 -0.899 -0.519 1.064
H8 0.899 -0.519 1.064

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.51601.09081.09081.09082.13372.13372.1337
N21.51602.11872.11872.11871.09451.09451.0945
H31.09082.11871.80071.80073.02182.42802.4280
H41.09082.11871.80071.80072.42802.42803.0218
H51.09082.11871.80071.80072.42803.02182.4280
H62.13371.09453.02182.42802.42801.79711.7971
H72.13371.09452.42802.42803.02181.79711.7971
H82.13371.09452.42803.02182.42801.79711.7971

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 108.566 C1 N2 H7 108.566
C1 N2 H8 108.566 N2 C1 H3 107.617
N2 C1 H4 107.617 N2 C1 H5 107.617
H3 C1 H4 111.260 H3 C1 H5 111.260
H4 C1 H5 111.260 H6 N2 H7 110.361
H6 N2 H8 110.361 H7 N2 H8 110.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 N -0.214      
3 H 0.118      
4 H 0.118      
5 H 0.118      
6 H 0.028      
7 H 0.028      
8 H 0.028      


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 -0.977 0.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.850 0.000 0.000
y 0.000 -16.850 0.000
z 0.000 0.000 -16.560
Traceless
 xyz
x -0.145 0.000 0.000
y 0.000 -0.145 0.000
z 0.000 0.000 0.290
Polar
3z2-r20.580
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 7.668 0.000 0.000
y 0.000 7.669 0.000
z 0.000 0.000 5.369


<r2> (average value of r2) Å2
<r2> 31.595
(<r2>)1/2 5.621