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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-95.777316
Energy at 298.15K 
HF Energy-95.664404
Nuclear repulsion energy41.976844
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' 3520 3520 1.06 104.07 0.12 0.21
2 A' 3087 3087 41.29 95.23 0.28 0.43
3 A' 2989 2989 92.96 139.76 0.16 0.27
4 A' 1676 1676 23.06 6.67 0.73 0.85
5 A' 1513 1513 7.02 15.58 0.68 0.81
6 A' 1476 1476 2.45 4.30 0.67 0.80
7 A' 1189 1189 8.71 2.47 0.45 0.62
8 A' 1071 1071 8.22 9.06 0.29 0.45
9 A' 875 875 157.90 2.95 0.64 0.78
10 A" 3600 3600 0.01 62.22 0.75 0.86
11 A" 3125 3125 36.74 72.08 0.75 0.86
12 A" 1535 1535 3.11 14.93 0.75 0.86
13 A" 1367 1367 0.17 2.27 0.75 0.86
14 A" 987 987 0.01 0.20 0.75 0.86
15 A" 325 325 38.85 1.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14167.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14167.3 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 B2PLYP/6-311G**
ABC
3.45305 0.75873 0.73007

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 0.705 0.000
N2 0.051 -0.761 0.000
H3 -0.942 1.176 0.000
H4 0.592 1.064 0.878
H5 0.592 1.064 -0.878
H6 -0.453 -1.103 -0.810
H7 -0.453 -1.103 0.810

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46531.09971.09191.09192.04422.0442
N21.46532.17672.09562.09561.01371.0137
H31.09972.17671.77121.77122.46802.4680
H41.09192.09561.77121.75642.93882.4065
H51.09192.09561.77121.75642.40652.9388
H62.04421.01372.46802.93882.40651.6200
H72.04421.01372.46802.40652.93881.6200

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 109.757 C1 N2 H7 109.757
N2 C1 H3 115.377 N2 C1 H4 109.195
N2 C1 H5 109.195 H3 C1 H4 107.836
H3 C1 H5 107.836 H4 C1 H5 107.087
H6 N2 H7 106.086
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 -0.192      
2 N -0.471      
3 H 0.081      
4 H 0.106      
5 H 0.106      
6 H 0.185      
7 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.356 0.362 0.000 1.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.891 2.138 -0.001
y 2.138 -14.278 -0.002
z -0.001 -0.002 -12.691
Traceless
 xyz
x -1.406 2.138 -0.001
y 2.138 -0.487 -0.002
z -0.001 -0.002 1.893
Polar
3z2-r23.786
x2-y2-0.613
xy2.138
xz-0.001
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.762 0.134 0.000
y 0.134 3.337 0.000
z 0.000 0.000 3.065


<r2> (average value of r2) Å2
<r2> 26.712
(<r2>)1/2 5.168