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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-96.286059
Energy at 298.15K-96.291139
HF Energy-96.286059
Nuclear repulsion energy45.537661
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 HSEh1PBE/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 A 3628 3487 3.27      
2 A 3543 3405 0.06      
3 A 3121 3000 25.30      
4 A 3083 2963 25.96      
5 A 2992 2876 90.06      
6 A 1660 1596 19.67      
7 A 1512 1453 5.02      
8 A 1492 1434 5.49      
9 A 1453 1396 5.24      
10 A 1343 1291 0.04      
11 A 1165 1120 2.88      
12 A 1088 1045 13.81      
13 A 971 933 0.52      
14 A 820 788 123.23      
15 A 315 303 29.55      
16 A 168 162 62.60      
17 A 94 91 0.09      
18 A 93 89 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 14270.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 13715.4 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 HSEh1PBE/cc-pVTZ
ABC
1.87482 0.64491 0.57415

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.783 0.013 0.001
N2 -0.696 -0.038 -0.008
H3 1.100 0.704 -0.772
H4 1.102 0.369 0.975
H5 1.191 -0.975 -0.189
H6 -1.024 -0.745 0.692
H7 -1.163 1.237 0.154
H8 -1.032 -0.397 -0.816

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7 H8
C11.47931.08521.08521.08532.07722.30402.0324
N21.47932.08842.08932.11401.04751.36750.9466
H31.08522.08841.77921.78002.95912.50262.4003
H41.08522.08931.77921.78012.41702.56152.8903
H51.08532.11401.78001.78012.39443.24812.3812
H62.07721.04752.95912.41702.39442.05861.5486
H72.30401.36752.50262.56153.24812.05861.9043
H82.03240.94662.40032.89032.38121.54861.9043

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 109.392 C1 N2 H7 107.995
C1 N2 H8 111.926 N2 C1 H3 108.057
N2 C1 H4 108.129 N2 C1 H5 110.090
H3 C1 H4 110.121 H3 C1 H5 110.197
H4 C1 H5 110.196 H6 N2 H7 116.321
H6 N2 H8 101.782 H7 N2 H8 109.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 N -0.302      
3 H 0.098      
4 H 0.098      
5 H 0.071      
6 H 0.140      
7 H -0.060      
8 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.064 -1.627 0.023 1.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.669 3.026 -0.049
y 3.026 -15.984 0.034
z -0.049 0.034 -13.929
Traceless
 xyz
x -2.712 3.026 -0.049
y 3.026 -0.184 0.034
z -0.049 0.034 2.897
Polar
3z2-r25.794
x2-y2-1.685
xy3.026
xz-0.049
yz0.034


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.620 0.000 0.000
y 0.000 15.638 -0.004
z 0.000 -0.004 9.418


<r2> (average value of r2) Å2
<r2> 35.156
(<r2>)1/2 5.929