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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-95.242514
Energy at 298.15K 
HF Energy-95.242514
Nuclear repulsion energy42.322100
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 HF/6-311G**
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' 3725 3384 0.26 96.24 0.12 0.22
2 A' 3198 2906 59.26 97.62 0.27 0.43
3 A' 3115 2830 100.46 130.18 0.16 0.27
4 A' 1802 1637 27.62 5.28 0.75 0.86
5 A' 1617 1469 6.40 13.14 0.72 0.84
6 A' 1583 1438 3.37 2.76 0.73 0.84
7 A' 1271 1155 15.77 1.90 0.46 0.63
8 A' 1139 1035 20.40 11.66 0.31 0.47
9 A' 927 842 165.46 2.60 0.62 0.76
10 A" 3800 3452 0.32 62.30 0.75 0.86
11 A" 3231 2936 54.88 77.00 0.75 0.86
12 A" 1636 1486 2.65 13.87 0.75 0.86
13 A" 1462 1328 0.00 2.25 0.75 0.86
14 A" 1045 950 0.06 0.16 0.75 0.86
15 A" 334 304 40.41 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14942.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13575.3 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 HF/6-311G**
ABC
3.52340 0.77016 0.73988

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.701 0.000
N2 0.049 -0.753 0.000
H3 -0.943 1.156 0.000
H4 0.582 1.061 0.874
H5 0.582 1.061 -0.874
H6 -0.430 -1.106 -0.804
H7 -0.430 -1.106 0.804

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45421.09161.08491.08492.03502.0350
N21.45422.15172.08282.08281.00001.0000
H31.09162.15171.76041.76042.45492.4549
H41.08492.08281.76041.74742.92122.3927
H51.08492.08281.76041.74742.39272.9212
H62.03501.00002.45492.92122.39271.6071
H72.03501.00002.45492.39272.92121.6071

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 110.668 C1 N2 H7 110.668
N2 C1 H3 114.641 N2 C1 H4 109.362
N2 C1 H5 109.362 H3 C1 H4 107.966
H3 C1 H5 107.966 H4 C1 H5 107.286
H6 N2 H7 106.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.095      
2 N -0.509      
3 H 0.064      
4 H 0.087      
5 H 0.087      
6 H 0.183      
7 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.374 0.381 0.000 1.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.810 2.146 0.000
y 2.146 -14.093 0.000
z 0.000 0.000 -12.500
Traceless
 xyz
x -1.514 2.146 0.000
y 2.146 -0.438 0.000
z 0.000 0.000 1.952
Polar
3z2-r23.905
x2-y2-0.717
xy2.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.625 0.128 0.000
y 0.128 3.128 0.000
z 0.000 0.000 2.931


<r2> (average value of r2) Å2
<r2> 26.360
(<r2>)1/2 5.134