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

using model chemistry: wB97X-D/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 wB97X-D/STO-3G
 hartrees
Energy at 0K-94.625703
Energy at 298.15K 
HF Energy-94.625703
Nuclear repulsion energy41.024853
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 wB97X-D/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' 3538 3538 14.64 44.15 0.08 0.14
2 A' 3462 3462 4.64 36.15 0.58 0.74
3 A' 3302 3302 10.81 38.68 0.04 0.08
4 A' 1876 1876 6.16 11.70 0.70 0.83
5 A' 1686 1686 6.10 17.13 0.75 0.86
6 A' 1605 1605 0.93 4.24 0.75 0.85
7 A' 1294 1294 9.44 3.95 0.73 0.84
8 A' 1144 1144 0.52 9.05 0.36 0.53
9 A' 966 966 67.12 3.48 0.49 0.66
10 A" 3722 3722 13.37 28.07 0.75 0.86
11 A" 3509 3509 0.43 27.98 0.75 0.86
12 A" 1700 1700 1.62 16.46 0.75 0.86
13 A" 1505 1505 1.95 9.70 0.75 0.86
14 A" 1047 1047 0.03 0.48 0.75 0.86
15 A" 349 349 40.12 2.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15352.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15352.3 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 wB97X-D/STO-3G
ABC
3.23880 0.72596 0.70366

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.064 0.720 0.000
N2 0.064 -0.790 0.000
H3 -0.945 1.179 0.000
H4 0.604 1.074 0.893
H5 0.604 1.074 -0.893
H6 -0.545 -1.060 -0.822
H7 -0.545 -1.060 0.822

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.51011.10781.10181.10182.05322.0532
N21.51012.21232.13602.13601.05801.0580
H31.10782.21231.79031.79032.41892.4189
H41.10182.13601.79031.78572.96902.4243
H51.10182.13601.79031.78572.42432.9690
H62.05321.05802.41892.96902.42431.6449
H72.05321.05802.41892.42432.96901.6449

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 104.792 C1 N2 H7 104.792
N2 C1 H3 114.485 N2 C1 H4 108.728
N2 C1 H5 108.728 H3 C1 H4 108.235
H3 C1 H5 108.235 H4 C1 H5 108.270
H6 N2 H7 102.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 N -0.368      
3 H 0.062      
4 H 0.081      
5 H 0.081      
6 H 0.150      
7 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.581 0.627 0.000 1.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.192 1.938 0.000
y 1.938 -13.595 0.000
z 0.000 0.000 -12.014
Traceless
 xyz
x -0.387 1.938 0.000
y 1.938 -0.992 0.000
z 0.000 0.000 1.379
Polar
3z2-r22.759
x2-y20.404
xy1.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.168 0.261 0.000
y 0.261 1.619 0.000
z 0.000 0.000 1.617


<r2> (average value of r2) Å2
<r2> 26.717
(<r2>)1/2 5.169