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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-95.757659
Energy at 298.15K 
HF Energy-95.654286
Nuclear repulsion energy42.005296
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 B2PLYP/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' 3525 3525 3.01 103.56 0.13 0.23
2 A' 3096 3096 44.53 93.54 0.29 0.45
3 A' 2994 2994 101.14 136.47 0.18 0.30
4 A' 1741 1741 32.68 6.96 0.75 0.85
5 A' 1534 1534 7.91 16.91 0.68 0.81
6 A' 1491 1491 1.99 5.49 0.68 0.81
7 A' 1201 1201 11.06 3.04 0.45 0.62
8 A' 1075 1075 7.78 9.05 0.31 0.47
9 A' 893 893 176.84 3.00 0.63 0.78
10 A" 3606 3606 0.58 65.00 0.75 0.86
11 A" 3135 3135 40.51 74.36 0.75 0.86
12 A" 1555 1555 3.82 16.55 0.75 0.86
13 A" 1385 1385 0.12 2.88 0.75 0.86
14 A" 995 995 0.00 0.25 0.75 0.86
15 A" 332 332 44.35 1.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14278.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14278.9 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 B2PLYP/6-311G*
ABC
3.45814 0.75990 0.73077

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.704 0.000
N2 0.051 -0.760 0.000
H3 -0.943 1.176 0.000
H4 0.591 1.062 0.878
H5 0.591 1.062 -0.878
H6 -0.448 -1.104 -0.811
H7 -0.448 -1.104 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46431.09931.09111.09112.04382.0438
N21.46432.17542.09362.09361.01261.0126
H31.09932.17541.77071.77072.46972.4697
H41.09112.09361.77071.75502.93702.4037
H51.09112.09361.77071.75502.40372.9370
H62.04381.01262.46972.93702.40371.6230
H72.04381.01262.46972.40372.93701.6230

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 109.864 C1 N2 H7 109.864
N2 C1 H3 115.379 N2 C1 H4 109.158
N2 C1 H5 109.158 H3 C1 H4 107.877
H3 C1 H5 107.877 H4 C1 H5 107.078
H6 N2 H7 106.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.481      
2 N -0.748      
3 H 0.182      
4 H 0.211      
5 H 0.211      
6 H 0.312      
7 H 0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.444 0.366 0.000 1.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.014 2.246 -0.002
y 2.246 -14.361 -0.002
z -0.002 -0.002 -12.636
Traceless
 xyz
x -1.516 2.246 -0.002
y 2.246 -0.535 -0.002
z -0.002 -0.002 2.052
Polar
3z2-r24.103
x2-y2-0.654
xy2.246
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.673 0.128 0.000
y 0.128 3.225 0.000
z 0.000 0.000 2.990


<r2> (average value of r2) Å2
<r2> 26.722
(<r2>)1/2 5.169