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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-95.849398
Energy at 298.15K 
HF Energy-95.849398
Nuclear repulsion energy42.120591
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 mPW1PW91/6-311G*
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' 3539 3377 2.71 102.13 0.13 0.23
2 A' 3090 2949 45.06 94.53 0.28 0.43
3 A' 2983 2847 107.64 139.75 0.18 0.31
4 A' 1733 1654 33.61 7.15 0.74 0.85
5 A' 1521 1451 8.77 17.12 0.68 0.81
6 A' 1477 1410 2.08 5.88 0.67 0.80
7 A' 1191 1137 8.58 2.76 0.47 0.64
8 A' 1093 1043 10.98 7.85 0.31 0.47
9 A' 874 835 183.28 2.92 0.68 0.81
10 A" 3618 3453 0.35 64.07 0.75 0.86
11 A" 3129 2987 40.21 74.39 0.75 0.86
12 A" 1542 1472 4.40 16.86 0.75 0.86
13 A" 1376 1313 0.24 2.44 0.75 0.86
14 A" 992 947 0.05 0.26 0.75 0.86
15 A" 331 316 45.76 1.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14244.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 13594.5 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 mPW1PW91/6-311G*
ABC
3.46544 0.76630 0.73678

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.700 0.000
N2 0.050 -0.756 0.000
H3 -0.942 1.175 0.000
H4 0.592 1.061 0.877
H5 0.592 1.061 -0.877
H6 -0.446 -1.103 -0.811
H7 -0.446 -1.103 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45531.10051.09191.09192.03792.0379
N21.45532.17112.08842.08841.01181.0118
H31.10052.17111.77061.77062.46882.4688
H41.09192.08841.77061.75312.93372.4009
H51.09192.08841.77061.75312.40092.9337
H62.03791.01182.46882.93372.40091.6212
H72.03791.01182.46882.40092.93371.6212

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 110.090 C1 N2 H7 110.090
N2 C1 H3 115.610 N2 C1 H4 109.319
N2 C1 H5 109.319 H3 C1 H4 107.720
H3 C1 H5 107.720 H4 C1 H5 106.790
H6 N2 H7 106.468
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.511      
2 N -0.765      
3 H 0.191      
4 H 0.222      
5 H 0.222      
6 H 0.320      
7 H 0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.441 0.334 0.000 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.859 2.261 0.000
y 2.261 -14.149 0.000
z 0.000 0.000 -12.452
Traceless
 xyz
x -1.558 2.261 0.000
y 2.261 -0.494 0.000
z 0.000 0.000 2.052
Polar
3z2-r24.104
x2-y2-0.710
xy2.261
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.674 0.115 0.000
y 0.115 3.230 0.000
z 0.000 0.000 2.978


<r2> (average value of r2) Å2
<r2> 26.501
(<r2>)1/2 5.148