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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-95.841371
Energy at 298.15K 
HF Energy-95.841371
Nuclear repulsion energy42.045082
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 B3PW91/6-311G*
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' 3512 3381 3.00      
2 A' 3070 2955 44.69      
3 A' 2961 2850 110.21      
4 A' 1723 1659 32.84      
5 A' 1512 1456 8.85      
6 A' 1469 1414 2.08      
7 A' 1183 1139 8.12      
8 A' 1081 1041 9.79      
9 A' 868 836 183.36      
10 A" 3590 3456 0.49      
11 A" 3109 2993 40.17      
12 A" 1533 1476 4.39      
13 A" 1368 1317 0.26      
14 A" 988 951 0.07      
15 A" 329 317 45.69      

Unscaled Zero Point Vibrational Energy (zpe) 14147.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 13620.2 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 B3PW91/6-311G*
ABC
3.45401 0.76343 0.73408

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.701 0.000
N2 0.050 -0.757 0.000
H3 -0.943 1.178 0.000
H4 0.593 1.063 0.878
H5 0.593 1.063 -0.878
H6 -0.447 -1.105 -0.812
H7 -0.447 -1.105 0.812

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45811.10241.09351.09352.04152.0415
N21.45812.17562.09192.09191.01381.0138
H31.10242.17561.77311.77312.47352.4735
H41.09352.09191.77311.75562.93852.4051
H51.09352.09191.77311.75562.40512.9385
H62.04151.01382.47352.93852.40511.6238
H72.04151.01382.47352.40512.93851.6238

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 110.062 C1 N2 H7 110.062
N2 C1 H3 115.664 N2 C1 H4 109.310
N2 C1 H5 109.310 H3 C1 H4 107.702
H3 C1 H5 107.702 H4 C1 H5 106.786
H6 N2 H7 106.421
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.510      
2 N -0.758      
3 H 0.190      
4 H 0.221      
5 H 0.221      
6 H 0.318      
7 H 0.318      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.442 0.334 0.000 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.867 2.267 0.000
y 2.267 -14.160 0.000
z 0.000 0.000 -12.463
Traceless
 xyz
x -1.555 2.267 0.000
y 2.267 -0.495 0.000
z 0.000 0.000 2.050
Polar
3z2-r24.100
x2-y2-0.707
xy2.267
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.690 0.115 0.000
y 0.115 3.260 0.000
z 0.000 0.000 2.995


<r2> (average value of r2) Å2
<r2> 26.572
(<r2>)1/2 5.155