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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-95.859650
Energy at 298.15K 
HF Energy-95.859650
Nuclear repulsion energy42.099901
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 mPW1PW91/6-311G**
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' 3540 3387 0.67 102.81 0.12 0.21
2 A' 3084 2950 40.68 96.79 0.27 0.42
3 A' 2980 2851 97.79 144.38 0.16 0.28
4 A' 1675 1602 24.60 6.80 0.72 0.84
5 A' 1500 1435 7.79 15.85 0.67 0.80
6 A' 1463 1400 2.12 4.75 0.66 0.79
7 A' 1177 1126 6.66 2.22 0.49 0.65
8 A' 1089 1042 11.18 7.85 0.30 0.46
9 A' 853 816 167.44 2.89 0.69 0.82
10 A" 3620 3463 0.08 61.49 0.75 0.86
11 A" 3123 2988 35.21 72.44 0.75 0.86
12 A" 1522 1456 3.86 15.19 0.75 0.86
13 A" 1357 1298 0.28 1.93 0.75 0.86
14 A" 983 940 0.05 0.22 0.75 0.86
15 A" 320 306 40.32 1.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14142.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 13529.9 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 mPW1PW91/6-311G**
ABC
3.46596 0.76520 0.73578

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.700 0.000
N2 0.050 -0.756 0.000
H3 -0.942 1.176 0.000
H4 0.592 1.062 0.877
H5 0.592 1.062 -0.877
H6 -0.446 -1.105 -0.810
H7 -0.446 -1.105 0.810

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45611.10061.09231.09232.03972.0397
N21.45612.17222.09002.09001.01211.0121
H31.10062.17221.77041.77042.47102.4710
H41.09232.09001.77041.75352.93582.4037
H51.09232.09001.77041.75352.40372.9358
H62.03971.01212.47102.93582.40371.6202
H72.03971.01212.47102.40372.93581.6202

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 110.158 C1 N2 H7 110.158
N2 C1 H3 115.639 N2 C1 H4 109.359
N2 C1 H5 109.359 H3 C1 H4 107.669
H3 C1 H5 107.669 H4 C1 H5 106.777
H6 N2 H7 106.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 N -0.495      
3 H 0.095      
4 H 0.121      
5 H 0.121      
6 H 0.196      
7 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.348 0.325 0.000 1.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.744 2.149 0.000
y 2.149 -14.031 0.000
z 0.000 0.000 -12.490
Traceless
 xyz
x -1.484 2.149 0.000
y 2.149 -0.413 0.000
z 0.000 0.000 1.897
Polar
3z2-r23.794
x2-y2-0.714
xy2.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.765 0.119 0.000
y 0.119 3.343 0.000
z 0.000 0.000 3.056


<r2> (average value of r2) Å2
<r2> 26.483
(<r2>)1/2 5.146