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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-95.826723
Energy at 298.15K 
HF Energy-95.826723
Nuclear repulsion energy42.074134
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 mPW1PW91/6-31G*
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' 3526 3344 1.12 102.95 0.12 0.21
2 A' 3111 2950 40.75 88.10 0.28 0.44
3 A' 3001 2846 98.58 126.84 0.18 0.30
4 A' 1716 1627 24.89 10.35 0.68 0.81
5 A' 1534 1455 8.58 23.72 0.70 0.82
6 A' 1490 1413 2.32 8.70 0.65 0.79
7 A' 1199 1137 7.65 4.91 0.48 0.65
8 A' 1102 1045 9.76 8.08 0.34 0.50
9 A' 879 834 179.44 5.35 0.60 0.75
10 A" 3615 3428 0.00 63.52 0.75 0.86
11 A" 3154 2991 32.88 71.43 0.75 0.86
12 A" 1553 1473 2.66 22.69 0.75 0.86
13 A" 1377 1306 0.17 3.85 0.75 0.86
14 A" 993 942 0.05 0.54 0.75 0.86
15 A" 335 317 47.64 2.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14292.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 13553.2 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 mPW1PW91/6-31G*
ABC
3.44649 0.76584 0.73651

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.699 0.000
N2 0.051 -0.756 0.000
H3 -0.942 1.180 0.000
H4 0.593 1.059 0.879
H5 0.593 1.059 -0.879
H6 -0.453 -1.101 -0.811
H7 -0.453 -1.101 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45551.10281.09391.09392.03762.0376
N21.45552.17562.08842.08841.01501.0150
H31.10282.17561.77321.77322.46942.4694
H41.09392.08841.77321.75882.93522.4006
H51.09392.08841.77321.75882.40062.9352
H62.03761.01502.46942.93522.40061.6217
H72.03761.01502.46942.40062.93521.6217

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 109.853 C1 N2 H7 109.853
N2 C1 H3 115.828 N2 C1 H4 109.180
N2 C1 H5 109.180 H3 C1 H4 107.645
H3 C1 H5 107.645 H4 C1 H5 107.008
H6 N2 H7 106.049
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 N -0.750      
3 H 0.144      
4 H 0.178      
5 H 0.178      
6 H 0.316      
7 H 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.454 0.344 0.000 1.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.622 2.282 0.000
y 2.282 -13.962 0.000
z 0.000 0.000 -12.361
Traceless
 xyz
x -1.460 2.282 0.000
y 2.282 -0.471 0.000
z 0.000 0.000 1.931
Polar
3z2-r23.862
x2-y2-0.660
xy2.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.462 0.137 0.000
y 0.137 3.069 0.000
z 0.000 0.000 2.843


<r2> (average value of r2) Å2
<r2> 26.415
(<r2>)1/2 5.140