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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-95.739779
Energy at 298.15K 
HF Energy-95.739779
Nuclear repulsion energy41.649629
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 PBEPBE/aug-cc-pVDZ
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' 3408 3387 2.57 140.25 0.08 0.15
2 A' 3006 2988 30.29 116.24 0.30 0.46
3 A' 2904 2887 97.64 189.97 0.13 0.22
4 A' 1594 1584 17.22 3.35 0.67 0.80
5 A' 1420 1412 6.92 5.86 0.65 0.79
6 A' 1382 1373 1.86 1.20 0.45 0.62
7 A' 1122 1116 4.91 0.50 0.09 0.16
8 A' 1046 1040 10.15 7.75 0.12 0.22
9 A' 802 797 131.79 2.04 0.26 0.41
10 A" 3491 3469 0.53 55.41 0.75 0.86
11 A" 3048 3030 26.08 62.26 0.75 0.86
12 A" 1442 1433 4.41 6.68 0.75 0.86
13 A" 1294 1286 0.28 0.33 0.75 0.86
14 A" 941 935 0.13 0.26 0.75 0.86
15 A" 301 299 31.09 0.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13600.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 13517.1 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 PBEPBE/aug-cc-pVDZ
ABC
3.37772 0.75056 0.72191

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.707 0.000
N2 0.051 -0.762 0.000
H3 -0.953 1.189 0.000
H4 0.601 1.069 0.889
H5 0.601 1.069 -0.889
H6 -0.455 -1.117 -0.818
H7 -0.455 -1.117 0.818

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46951.11401.10601.10602.06252.0625
N21.46952.19492.10842.10841.02521.0252
H31.11402.19491.79431.79432.49752.4975
H41.10602.10841.79431.77832.96772.4288
H51.10602.10841.79431.77832.42882.9677
H62.06251.02522.49752.96772.42881.6354
H72.06251.02522.49752.42882.96771.6354

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 110.261 C1 N2 H7 110.261
N2 C1 H3 115.650 N2 C1 H4 109.081
N2 C1 H5 109.081 H3 C1 H4 107.844
H3 C1 H5 107.844 H4 C1 H5 107.004
H6 N2 H7 105.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.933      
2 N -0.137      
3 H -0.207      
4 H -0.243      
5 H -0.243      
6 H -0.052      
7 H -0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.237 0.341 0.000 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.411 2.172 0.000
y 2.172 -14.751 0.000
z 0.000 0.000 -12.955
Traceless
 xyz
x -1.558 2.172 0.000
y 2.172 -0.568 0.000
z 0.000 0.000 2.126
Polar
3z2-r24.252
x2-y2-0.660
xy2.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.953 -0.047 0.000
y -0.047 4.527 0.000
z 0.000 0.000 3.779


<r2> (average value of r2) Å2
<r2> 27.238
(<r2>)1/2 5.219