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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-94.638446
Energy at 298.15K 
HF Energy-94.638446
Nuclear repulsion energy40.863078
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 B3LYP/STO-3G
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' 3471 3097 19.75 41.28 0.06 0.11
2 A' 3416 3048 4.79 43.47 0.52 0.68
3 A' 3260 2909 13.75 40.86 0.05 0.09
4 A' 1860 1660 5.62 11.86 0.70 0.82
5 A' 1673 1493 5.80 17.44 0.75 0.86
6 A' 1586 1415 1.26 4.39 0.74 0.85
7 A' 1282 1144 8.79 4.19 0.73 0.84
8 A' 1111 992 1.66 9.76 0.38 0.55
9 A' 947 845 61.83 3.49 0.45 0.62
10 A" 3653 3260 17.95 29.18 0.75 0.86
11 A" 3467 3094 0.95 29.60 0.75 0.86
12 A" 1686 1505 1.56 16.65 0.75 0.86
13 A" 1492 1331 1.94 9.97 0.75 0.86
14 A" 1032 921 0.02 0.48 0.75 0.86
15 A" 348 310 38.78 2.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15141.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 13512.0 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 B3LYP/STO-3G
ABC
3.21947 0.71909 0.69746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.064 0.724 0.000
N2 0.064 -0.794 0.000
H3 -0.944 1.187 0.000
H4 0.606 1.077 0.894
H5 0.606 1.077 -0.894
H6 -0.551 -1.062 -0.824
H7 -0.551 -1.062 0.824

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.51841.11001.10351.10352.06052.0605
N21.51842.22352.14332.14331.06261.0626
H31.11002.22351.79331.79332.42712.4271
H41.10352.14331.79331.78872.97712.4320
H51.10352.14331.79331.78872.43202.9771
H62.06051.06262.42712.97712.43201.6484
H72.06051.06262.42712.43202.97711.6484

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 104.558 C1 N2 H7 104.558
N2 C1 H3 114.667 N2 C1 H4 108.633
N2 C1 H5 108.633 H3 C1 H4 108.229
H3 C1 H5 108.229 H4 C1 H5 108.286
H6 N2 H7 101.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 N -0.361      
3 H 0.061      
4 H 0.080      
5 H 0.080      
6 H 0.147      
7 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.567 0.625 0.000 1.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.194 1.927 0.000
y 1.927 -13.604 0.000
z 0.000 0.000 -12.043
Traceless
 xyz
x -0.370 1.927 0.000
y 1.927 -0.986 0.000
z 0.000 0.000 1.356
Polar
3z2-r22.713
x2-y20.411
xy1.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.191 0.267 0.000
y 0.267 1.668 0.000
z 0.000 0.000 1.642


<r2> (average value of r2) Å2
<r2> 26.875
(<r2>)1/2 5.184