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

using model chemistry: BLYP/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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-96.360789
Energy at 298.15K-96.367849
HF Energy-96.360789
Nuclear repulsion energy47.129708
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/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 2991 2981 86.46      
2 A1 2838 2828 23.51      
3 A1 1353 1349 4.06      
4 A1 1310 1306 517.42      
5 A1 846 843 51.77      
6 A2 257 256 0.00      
7 E 3077 3066 1.76      
7 E 3077 3066 1.76      
8 E 2706 2697 1944.74      
8 E 2706 2697 1945.29      
9 E 1448 1443 13.59      
9 E 1448 1443 13.58      
10 E 1421 1416 41.83      
10 E 1421 1416 41.80      
11 E 1199 1195 5.62      
11 E 1199 1195 5.63      
12 E 862 859 45.58      
12 E 862 859 45.59      

Unscaled Zero Point Vibrational Energy (zpe) 15510.1 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 15457.4 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 BLYP/aug-cc-pVTZ
ABC
2.71675 0.65651 0.65651

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.809
N2 0.000 0.000 0.715
H3 0.000 -1.040 -1.143
H4 -0.901 0.520 -1.143
H5 0.901 0.520 -1.143
H6 0.000 0.985 1.093
H7 -0.853 -0.493 1.093
H8 0.853 -0.493 1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.52401.09211.09211.09212.14272.14272.1427
N21.52402.12872.12872.12871.05561.05561.0556
H31.09212.12871.80131.80133.01702.45522.4552
H41.09212.12871.80131.80132.45522.45523.0170
H51.09212.12871.80131.80132.45523.01702.4552
H62.14271.05563.01702.45522.45521.70661.7066
H72.14271.05562.45522.45523.01701.70661.7066
H82.14271.05562.45523.01702.45521.70661.7066

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 111.027 C1 N2 H7 111.027
C1 N2 H8 111.027 N2 C1 H3 107.776
N2 C1 H4 107.776 N2 C1 H5 107.776
H3 C1 H4 111.112 H3 C1 H5 111.112
H4 C1 H5 111.112 H6 N2 H7 107.871
H6 N2 H8 107.871 H7 N2 H8 107.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 N 0.069      
3 H 0.231      
4 H 0.231      
5 H 0.231      
6 H -0.125      
7 H -0.125      
8 H -0.125      


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 -2.338 2.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.918 0.000 0.000
y 0.000 -23.918 0.000
z 0.000 0.000 -22.089
Traceless
 xyz
x -0.914 0.000 0.000
y 0.000 -0.914 0.000
z 0.000 0.000 1.828
Polar
3z2-r23.657
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 38.952 0.000 0.000
y 0.000 38.952 -0.002
z 0.000 -0.002 25.248


<r2> (average value of r2) Å2
<r2> 35.725
(<r2>)1/2 5.977