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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-94.571115
Energy at 298.15K 
HF Energy-94.571115
Nuclear repulsion energy40.373157
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 BLYP/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' 3315 3067 23.62 13.26 0.65 0.79
2 A' 3273 3028 14.52 75.93 0.18 0.31
3 A' 3151 2915 17.15 40.89 0.06 0.12
4 A' 1809 1674 4.32 12.05 0.69 0.82
5 A' 1627 1506 5.21 17.59 0.75 0.86
6 A' 1533 1419 1.72 4.77 0.73 0.84
7 A' 1266 1172 6.76 5.35 0.74 0.85
8 A' 1055 976 7.07 10.21 0.41 0.58
9 A' 909 841 41.98 3.16 0.31 0.48
10 A" 3466 3206 31.11 27.30 0.75 0.86
11 A" 3359 3108 1.32 32.39 0.75 0.86
12 A" 1641 1518 1.42 16.70 0.75 0.86
13 A" 1453 1345 1.98 10.45 0.75 0.86
14 A" 1002 928 0.01 0.43 0.75 0.86
15 A" 343 318 35.47 1.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14601.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 13509.3 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 BLYP/STO-3G
ABC
3.13941 0.70009 0.68125

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.067 0.733 0.000
N2 0.067 -0.809 0.000
H3 -0.947 1.205 0.000
H4 0.615 1.083 0.901
H5 0.615 1.083 -0.901
H6 -0.580 -1.053 -0.827
H7 -0.580 -1.053 0.827

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.54281.11841.11131.11132.07242.0724
N21.54282.25532.16672.16671.07851.0785
H31.11842.25531.80731.80732.43252.4325
H41.11132.16671.80731.80292.99672.4488
H51.11132.16671.80731.80292.44882.9967
H62.07241.07852.43252.99672.44881.6549
H72.07241.07852.43252.44882.99671.6549

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 103.043 C1 N2 H7 103.043
N2 C1 H3 114.943 N2 C1 H4 108.349
N2 C1 H5 108.349 H3 C1 H4 108.306
H3 C1 H5 108.306 H4 C1 H5 108.424
H6 N2 H7 100.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 N -0.340      
3 H 0.060      
4 H 0.077      
5 H 0.077      
6 H 0.140      
7 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.548 0.653 0.000 1.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.147 1.899 0.000
y 1.899 -13.708 0.000
z 0.000 0.000 -12.120
Traceless
 xyz
x -0.233 1.899 0.000
y 1.899 -1.074 0.000
z 0.000 0.000 1.307
Polar
3z2-r22.614
x2-y20.560
xy1.899
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.253 0.275 0.000
y 0.275 1.751 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 27.323
(<r2>)1/2 5.227