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

using model chemistry: B3PW91/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/Def2TZVPP
 hartrees
Energy at 0K-95.866695
Energy at 298.15K 
HF Energy-95.866695
Nuclear repulsion energy42.102649
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 B3PW91/Def2TZVPP
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' 3524 3524 0.15 111.76 0.09 0.17
2 A' 3069 3069 34.01 102.32 0.26 0.41
3 A' 2974 2974 90.08 158.39 0.13 0.23
4 A' 1659 1659 20.73 5.57 0.68 0.81
5 A' 1491 1491 6.79 12.77 0.63 0.77
6 A' 1452 1452 1.56 2.68 0.52 0.68
7 A' 1167 1167 5.76 1.74 0.47 0.64
8 A' 1076 1076 11.71 7.95 0.25 0.40
9 A' 828 828 158.37 1.75 0.72 0.84
10 A" 3604 3604 1.21 55.27 0.75 0.86
11 A" 3107 3107 29.10 65.32 0.75 0.86
12 A" 1512 1512 4.17 11.18 0.75 0.86
13 A" 1344 1344 0.06 1.18 0.75 0.86
14 A" 973 973 0.15 0.02 0.75 0.86
15 A" 298 298 35.09 0.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14038.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14038.5 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 B3PW91/Def2TZVPP
ABC
3.47524 0.76493 0.73477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.702 0.000
N2 0.049 -0.755 0.000
H3 -0.944 1.172 0.000
H4 0.589 1.063 0.877
H5 0.589 1.063 -0.877
H6 -0.438 -1.112 -0.811
H7 -0.438 -1.112 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45641.09901.09151.09152.04582.0458
N21.45642.16792.08942.08941.01151.0115
H31.09902.16791.76941.76942.47642.4764
H41.09152.08941.76941.75452.93892.4064
H51.09152.08941.76941.75452.40642.9389
H62.04581.01152.47642.93892.40641.6224
H72.04581.01152.47642.40642.93891.6224

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 110.686 C1 N2 H7 110.686
N2 C1 H3 115.356 N2 C1 H4 109.345
N2 C1 H5 109.345 H3 C1 H4 107.747
H3 C1 H5 107.747 H4 C1 H5 106.973
H6 N2 H7 106.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 N -0.357      
3 H 0.083      
4 H 0.091      
5 H 0.091      
6 H 0.134      
7 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.264 0.303 0.000 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.944 2.124 0.000
y 2.124 -14.214 0.000
z 0.000 0.000 -12.561
Traceless
 xyz
x -1.556 2.124 0.000
y 2.124 -0.461 0.000
z 0.000 0.000 2.017
Polar
3z2-r24.034
x2-y2-0.730
xy2.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.216 0.061 0.000
y 0.061 3.798 0.000
z 0.000 0.000 3.355


<r2> (average value of r2) Å2
<r2> 26.591
(<r2>)1/2 5.157