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

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-95.324013
Energy at 298.15K 
HF Energy-95.324013
Nuclear repulsion energy41.591573
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 B3LYPultrafine/3-21G
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' 3407 3287 3.10 106.90 0.12 0.22
2 A' 3069 2961 37.76 86.57 0.19 0.32
3 A' 2934 2831 117.49 125.73 0.26 0.41
4 A' 1727 1666 14.58 13.54 0.65 0.79
5 A' 1567 1512 12.51 30.46 0.70 0.82
6 A' 1503 1451 1.67 12.58 0.61 0.76
7 A' 1166 1125 6.45 7.99 0.48 0.65
8 A' 1044 1008 3.56 7.45 0.48 0.65
9 A' 694 670 231.46 8.21 0.36 0.53
10 A" 3501 3379 1.56 62.94 0.75 0.86
11 A" 3108 2999 33.17 68.37 0.75 0.86
12 A" 1592 1536 2.08 27.75 0.75 0.86
13 A" 1365 1318 0.69 5.79 0.75 0.86
14 A" 993 958 0.22 1.17 0.75 0.86
15 A" 324 312 54.10 4.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13996.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 13505.1 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 B3LYPultrafine/3-21G
ABC
3.44021 0.74382 0.71087

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 0.716 0.000
N2 0.045 -0.763 0.000
H3 -0.948 1.204 0.000
H4 0.589 1.069 0.882
H5 0.589 1.069 -0.882
H6 -0.404 -1.147 -0.836
H7 -0.404 -1.147 0.836

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.47901.10631.09511.09512.09052.0905
N21.47902.20362.10512.10511.02331.0233
H31.10632.20361.77751.77752.55392.5539
H41.09512.10511.77751.76382.97462.4291
H51.09512.10511.77751.76382.42912.9746
H62.09051.02332.55392.97462.42911.6713
H72.09051.02332.55392.42912.97461.6713

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 112.037 C1 N2 H7 112.037
N2 C1 H3 116.188 N2 C1 H4 108.819
N2 C1 H5 108.819 H3 C1 H4 107.692
H3 C1 H5 107.692 H4 C1 H5 107.292
H6 N2 H7 109.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.411      
2 N -0.657      
3 H 0.151      
4 H 0.198      
5 H 0.198      
6 H 0.261      
7 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.400 0.265 0.000 1.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.782 2.235 0.000
y 2.235 -13.548 0.000
z 0.000 0.000 -12.346
Traceless
 xyz
x -1.835 2.235 0.000
y 2.235 0.016 0.000
z 0.000 0.000 1.818
Polar
3z2-r23.637
x2-y2-1.234
xy2.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.103 0.140 0.000
y 0.140 2.913 0.000
z 0.000 0.000 2.687


<r2> (average value of r2) Å2
<r2> 26.886
(<r2>)1/2 5.185