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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-95.188767
Energy at 298.15K 
HF Energy-95.188767
Nuclear repulsion energy42.135534
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 HF/LANL2DZ
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' 3805 3425 0.48 98.53 0.14 0.25
2 A' 3255 2929 81.29 88.51 0.29 0.45
3 A' 3158 2842 127.47 145.50 0.10 0.19
4 A' 1835 1651 40.64 6.17 0.73 0.85
5 A' 1651 1486 9.63 20.35 0.75 0.86
6 A' 1608 1447 2.13 5.80 0.75 0.86
7 A' 1252 1127 8.25 6.76 0.62 0.76
8 A' 1156 1040 27.27 15.41 0.33 0.50
9 A' 650 585 376.37 5.63 0.22 0.36
10 A" 3931 3538 5.39 53.13 0.75 0.86
11 A" 3299 2969 67.35 69.07 0.75 0.86
12 A" 1669 1502 4.94 19.39 0.75 0.86
13 A" 1438 1294 0.63 5.70 0.75 0.86
14 A" 1030 927 2.23 0.58 0.75 0.86
15 A" 275 248 46.65 3.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15006.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 13504.3 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 HF/LANL2DZ
ABC
3.60972 0.75918 0.72047

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.033 0.715 0.000
N2 0.033 -0.747 0.000
H3 -0.962 1.162 0.000
H4 0.563 1.074 0.873
H5 0.563 1.074 -0.873
H6 -0.294 -1.187 -0.832
H7 -0.294 -1.187 0.832

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46141.09051.08281.08282.10172.1017
N21.46142.15232.08772.08770.99690.9969
H31.09052.15231.75951.75952.58032.5803
H41.08282.08771.75951.74522.95912.4188
H51.08282.08771.75951.74522.41882.9591
H62.10170.99692.58032.95912.41881.6648
H72.10170.99692.58032.41882.95911.6648

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 116.229 C1 N2 H7 116.229
N2 C1 H3 114.218 N2 C1 H4 109.387
N2 C1 H5 109.387 H3 C1 H4 108.113
H3 C1 H5 108.113 H4 C1 H5 107.399
H6 N2 H7 113.239
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 N -0.734      
3 H 0.155      
4 H 0.186      
5 H 0.186      
6 H 0.303      
7 H 0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.304 0.269 0.000 1.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.538 2.070 0.000
y 2.070 -13.426 0.000
z 0.000 0.000 -12.253
Traceless
 xyz
x -2.699 2.070 0.000
y 2.070 0.470 0.000
z 0.000 0.000 2.229
Polar
3z2-r24.457
x2-y2-2.112
xy2.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.091 0.092 0.000
y 0.092 2.781 0.000
z 0.000 0.000 2.698


<r2> (average value of r2) Å2
<r2> 26.681
(<r2>)1/2 5.165