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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-95.212455
Energy at 298.15K 
HF Energy-95.212455
Nuclear repulsion energy41.736153
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/3-21G
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' 3463 3336 1.02 103.30 0.12 0.22
2 A' 3090 2977 36.19 84.55 0.22 0.36
3 A' 2958 2850 110.36 127.90 0.23 0.38
4 A' 1733 1670 18.36 12.70 0.66 0.79
5 A' 1567 1509 13.29 30.28 0.70 0.82
6 A' 1503 1448 1.16 12.62 0.61 0.76
7 A' 1172 1129 6.96 7.10 0.50 0.67
8 A' 1071 1031 3.47 7.17 0.46 0.63
9 A' 688 663 253.05 7.72 0.36 0.53
10 A" 3564 3433 0.04 60.78 0.75 0.86
11 A" 3135 3020 29.12 67.75 0.75 0.86
12 A" 1591 1533 3.01 27.63 0.75 0.86
13 A" 1367 1317 0.74 5.01 0.75 0.86
14 A" 996 959 0.62 1.11 0.75 0.86
15 A" 328 316 57.30 4.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14113.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 13595.2 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 HSEh1PBE/3-21G
ABC
3.45401 0.75106 0.71706

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.043 0.711 0.000
N2 0.043 -0.758 0.000
H3 -0.949 1.201 0.000
H4 0.589 1.066 0.881
H5 0.589 1.066 -0.881
H6 -0.394 -1.147 -0.836
H7 -0.394 -1.147 0.836

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46971.10621.09521.09522.08442.0844
N21.46972.19602.09812.09811.02041.0204
H31.10622.19601.77721.77722.55352.5535
H41.09522.09811.77721.76202.96862.4223
H51.09522.09811.77721.76202.42232.9686
H62.08441.02042.55352.96862.42231.6715
H72.08441.02042.55352.42232.96861.6715

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 112.417 C1 N2 H7 112.417
N2 C1 H3 116.258 N2 C1 H4 108.896
N2 C1 H5 108.896 H3 C1 H4 107.659
H3 C1 H5 107.659 H4 C1 H5 107.109
H6 N2 H7 109.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.475      
2 N -0.701      
3 H 0.173      
4 H 0.221      
5 H 0.221      
6 H 0.280      
7 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.409 0.254 0.000 1.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.795 2.261 0.000
y 2.261 -13.435 0.000
z 0.000 0.000 -12.247
Traceless
 xyz
x -1.954 2.261 0.000
y 2.261 0.086 0.000
z 0.000 0.000 1.868
Polar
3z2-r23.736
x2-y2-1.361
xy2.261
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.090 0.125 0.000
y 0.125 2.875 0.000
z 0.000 0.000 2.657


<r2> (average value of r2) Å2
<r2> 26.714
(<r2>)1/2 5.169