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

using model chemistry: mPW1PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-95.840331
Energy at 298.15K 
HF Energy-95.840331
Nuclear repulsion energy42.106863
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(2df,p)
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' 3547 3386 0.32 94.90 0.11 0.19
2 A' 3093 2953 36.98 82.49 0.31 0.48
3 A' 2994 2858 82.64 118.40 0.14 0.25
4 A' 1673 1597 19.75 7.23 0.69 0.81
5 A' 1502 1434 6.79 17.24 0.70 0.82
6 A' 1462 1396 1.53 5.30 0.63 0.77
7 A' 1186 1132 7.26 2.56 0.57 0.73
8 A' 1094 1044 9.49 8.01 0.29 0.45
9 A' 861 822 150.24 3.44 0.66 0.80
10 A" 3629 3464 0.59 55.85 0.75 0.86
11 A" 3135 2993 27.91 65.16 0.75 0.86
12 A" 1522 1453 2.64 17.23 0.75 0.86
13 A" 1361 1300 0.11 2.44 0.75 0.86
14 A" 983 938 0.08 0.30 0.75 0.86
15 A" 318 304 36.03 1.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14179.3 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 13536.9 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(2df,p)
ABC
3.45577 0.76616 0.73712

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.699 0.000
N2 0.051 -0.757 0.000
H3 -0.941 1.176 0.000
H4 0.592 1.061 0.879
H5 0.592 1.061 -0.879
H6 -0.454 -1.098 -0.808
H7 -0.454 -1.098 0.808

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45561.10121.09351.09352.03422.0342
N21.45562.17232.09022.09021.01241.0124
H31.10122.17231.77071.77072.46162.4616
H41.09352.09021.77071.75802.93302.4005
H51.09352.09021.77071.75802.40052.9330
H62.03421.01242.46162.93302.40051.6155
H72.03421.01242.46162.40052.93301.6155

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 109.717 C1 N2 H7 109.717
N2 C1 H3 115.652 N2 C1 H4 109.350
N2 C1 H5 109.350 H3 C1 H4 107.572
H3 C1 H5 107.572 H4 C1 H5 106.996
H6 N2 H7 105.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 N -0.555      
3 H 0.117      
4 H 0.147      
5 H 0.147      
6 H 0.249      
7 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.267 0.277 0.000 1.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.462 2.045 0.000
y 2.045 -13.903 0.000
z 0.000 0.000 -12.345
Traceless
 xyz
x -1.337 2.045 0.000
y 2.045 -0.500 0.000
z 0.000 0.000 1.837
Polar
3z2-r23.674
x2-y2-0.558
xy2.045
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.683 0.134 0.000
y 0.134 3.276 0.000
z 0.000 0.000 2.981


<r2> (average value of r2) Å2
<r2> 26.344
(<r2>)1/2 5.133