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

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-95.888440
Energy at 298.15K 
HF Energy-95.888440
Nuclear repulsion energy41.928749
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 B3LYP/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' 3490 3374 1.50 108.45 0.12 0.21
2 A' 3051 2949 41.59 102.82 0.23 0.38
3 A' 2946 2848 103.97 147.21 0.19 0.32
4 A' 1669 1613 22.87 6.92 0.72 0.84
5 A' 1497 1447 7.48 16.54 0.67 0.80
6 A' 1462 1413 2.31 4.85 0.64 0.78
7 A' 1171 1132 7.04 2.69 0.43 0.60
8 A' 1057 1022 8.31 8.21 0.32 0.48
9 A' 850 822 164.88 3.14 0.67 0.80
10 A" 3565 3446 0.10 65.79 0.75 0.86
11 A" 3086 2983 38.58 75.91 0.75 0.86
12 A" 1519 1469 3.42 15.38 0.75 0.86
13 A" 1352 1307 0.20 2.16 0.75 0.86
14 A" 980 947 0.02 0.22 0.75 0.86
15 A" 315 305 38.88 1.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14003.9 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 13539.0 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 B3LYP/6-311G**
ABC
3.45171 0.75701 0.72805

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.705 0.000
N2 0.050 -0.761 0.000
H3 -0.943 1.181 0.000
H4 0.592 1.066 0.878
H5 0.592 1.066 -0.878
H6 -0.448 -1.110 -0.812
H7 -0.448 -1.110 0.812

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46571.10191.09331.09332.04982.0498
N21.46572.18112.09802.09801.01501.0150
H31.10192.18111.77271.77272.48012.4801
H41.09332.09801.77271.75682.94512.4125
H51.09332.09801.77271.75682.41252.9451
H62.04981.01502.48012.94512.41251.6243
H72.04981.01502.48012.41252.94511.6243

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 110.111 C1 N2 H7 110.111
N2 C1 H3 115.578 N2 C1 H4 109.276
N2 C1 H5 109.276 H3 C1 H4 107.719
H3 C1 H5 107.719 H4 C1 H5 106.928
H6 N2 H7 106.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 N -0.471      
3 H 0.084      
4 H 0.109      
5 H 0.109      
6 H 0.187      
7 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.334 0.329 0.000 1.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.888 2.128 0.000
y 2.128 -14.201 0.000
z 0.000 0.000 -12.671
Traceless
 xyz
x -1.452 2.128 0.000
y 2.128 -0.421 0.000
z 0.000 0.000 1.874
Polar
3z2-r23.747
x2-y2-0.687
xy2.128
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.798 0.130 0.000
y 0.130 3.403 0.000
z 0.000 0.000 3.104


<r2> (average value of r2) Å2
<r2> 26.745
(<r2>)1/2 5.172