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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-95.798786
Energy at 298.15K 
HF Energy-95.798786
Nuclear repulsion energy42.057873
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' 3621 3428 0.14 103.93 0.13 0.23
2 A' 3104 2938 48.12 93.65 0.25 0.39
3 A' 2976 2817 129.49 154.09 0.19 0.32
4 A' 1728 1635 29.33 8.92 0.68 0.81
5 A' 1551 1468 11.81 28.81 0.67 0.80
6 A' 1513 1432 2.80 13.30 0.66 0.79
7 A' 1179 1116 10.99 9.09 0.54 0.70
8 A' 1128 1068 14.71 6.46 0.42 0.59
9 A' 561 531 351.05 6.11 0.28 0.43
10 A" 3743 3543 2.32 55.88 0.75 0.86
11 A" 3155 2987 37.06 73.77 0.75 0.86
12 A" 1573 1489 4.00 25.47 0.75 0.86
13 A" 1354 1282 0.07 3.86 0.75 0.86
14 A" 988 936 2.72 0.85 0.75 0.86
15 A" 279 264 48.96 4.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14225.9 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 13466.2 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
3.55215 0.76370 0.72402

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 0.032 0.707 0.000
N2 0.032 -0.743 0.000
H3 -0.964 1.184 0.000
H4 0.572 1.073 0.878
H5 0.572 1.073 -0.878
H6 -0.301 -1.187 -0.840
H7 -0.301 -1.187 0.840

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45011.10421.09351.09352.09922.0992
N21.45012.16882.08802.08801.00741.0074
H31.10422.16881.77221.77222.60142.6014
H41.09352.08801.77221.75632.97062.4233
H51.09352.08801.77221.75632.42332.9706
H62.09921.00742.60142.97062.42331.6807
H72.09921.00742.60142.42332.97061.6807

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 116.182 C1 N2 H7 116.182
N2 C1 H3 115.564 N2 C1 H4 109.547
N2 C1 H5 109.547 H3 C1 H4 107.487
H3 C1 H5 107.487 H4 C1 H5 106.840
H6 N2 H7 113.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 N -0.761      
3 H 0.135      
4 H 0.172      
5 H 0.172      
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
  -1.218 0.088 0.000 1.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.277 2.043 0.000
y 2.043 -13.084 0.000
z 0.000 0.000 -12.112
Traceless
 xyz
x -2.679 2.043 0.000
y 2.043 0.611 0.000
z 0.000 0.000 2.068
Polar
3z2-r24.137
x2-y2-2.193
xy2.043
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.190 0.061 0.000
y 0.061 3.014 0.000
z 0.000 0.000 2.750


<r2> (average value of r2) Å2
<r2> 26.546
(<r2>)1/2 5.152