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

using model chemistry: PBEPBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-95.691652
Energy at 298.15K 
HF Energy-95.691652
Nuclear repulsion energy41.682823
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 PBEPBE/6-31G
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' 3470 3423 0.68 116.97 0.12 0.22
2 A' 3007 2966 47.13 99.45 0.21 0.34
3 A' 2857 2817 156.63 173.09 0.23 0.37
4 A' 1671 1648 23.03 11.80 0.64 0.78
5 A' 1496 1476 13.67 32.88 0.64 0.78
6 A' 1460 1439 2.85 14.84 0.66 0.79
7 A' 1137 1121 13.41 10.80 0.49 0.66
8 A' 1081 1067 9.03 6.26 0.44 0.61
9 A' 570 563 304.14 7.42 0.29 0.44
10 A" 3589 3539 0.03 60.52 0.75 0.86
11 A" 3060 3018 37.78 74.48 0.75 0.86
12 A" 1519 1498 3.35 27.42 0.75 0.86
13 A" 1314 1296 0.01 4.26 0.75 0.86
14 A" 963 950 1.60 1.06 0.75 0.86
15 A" 294 290 52.17 4.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13743.7 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 13554.0 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 PBEPBE/6-31G
ABC
3.46494 0.75153 0.71401

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 0.711 0.000
N2 0.037 -0.751 0.000
H3 -0.965 1.204 0.000
H4 0.583 1.077 0.886
H5 0.583 1.077 -0.886
H6 -0.338 -1.182 -0.845
H7 -0.338 -1.182 0.845

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46181.11691.10371.10372.10652.1065
N21.46182.19722.10422.10421.01981.0198
H31.11692.19721.78831.78832.60842.6084
H41.10372.10421.78831.77232.99182.4404
H51.10372.10421.78831.77232.44042.9918
H62.10651.01982.60842.99182.44041.6900
H72.10651.01982.60842.44042.99181.6900

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 115.011 C1 N2 H7 115.011
N2 C1 H3 116.231 N2 C1 H4 109.411
N2 C1 H5 109.411 H3 C1 H4 107.281
H3 C1 H5 107.281 H4 C1 H5 106.811
H6 N2 H7 111.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.318      
2 N -0.693      
3 H 0.121      
4 H 0.161      
5 H 0.161      
6 H 0.283      
7 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.289 0.079 0.000 1.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.296 2.185 0.000
y 2.185 -13.344 0.000
z 0.000 0.000 -12.269
Traceless
 xyz
x -2.490 2.185 0.000
y 2.185 0.439 0.000
z 0.000 0.000 2.051
Polar
3z2-r24.102
x2-y2-1.952
xy2.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.292 0.057 0.000
y 0.057 3.212 0.000
z 0.000 0.000 2.860


<r2> (average value of r2) Å2
<r2> 26.920
(<r2>)1/2 5.188