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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-95.745232
Energy at 298.15K 
HF Energy-95.638592
Nuclear repulsion energy41.836535
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 B2PLYP/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' 3488 3341 1.60 112.82 0.11 0.20
2 A' 3092 2961 42.51 100.53 0.30 0.46
3 A' 2988 2862 92.74 145.62 0.15 0.27
4 A' 1665 1594 15.09 7.65 0.69 0.82
5 A' 1491 1428 8.03 18.35 0.68 0.81
6 A' 1457 1395 3.83 5.25 0.62 0.77
7 A' 1187 1137 8.16 2.96 0.44 0.61
8 A' 1080 1035 9.53 9.09 0.30 0.46
9 A' 891 853 132.40 3.79 0.65 0.79
10 A" 3566 3416 0.16 68.49 0.75 0.86
11 A" 3134 3002 32.95 78.77 0.75 0.86
12 A" 1511 1447 2.05 17.91 0.75 0.86
13 A" 1363 1305 0.31 1.99 0.75 0.86
14 A" 985 944 0.01 0.33 0.75 0.86
15 A" 335 321 35.94 1.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14116.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 13519.5 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 B2PLYP/cc-pVDZ
ABC
3.39684 0.75709 0.72997

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.054 0.701 0.000
N2 0.054 -0.763 0.000
H3 -0.944 1.186 0.000
H4 0.599 1.066 0.885
H5 0.599 1.066 -0.885
H6 -0.475 -1.094 -0.808
H7 -0.475 -1.094 0.808

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46401.10951.10121.10122.03922.0392
N21.46402.18952.10332.10331.02151.0215
H31.10952.18951.78261.78262.46472.4647
H41.10122.10331.78261.76962.94752.4139
H51.10122.10331.78261.76962.41392.9475
H62.03921.02152.46472.94752.41391.6167
H72.03921.02152.46472.41392.94751.6167

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 108.955 C1 N2 H7 108.955
N2 C1 H3 115.913 N2 C1 H4 109.336
N2 C1 H5 109.336 H3 C1 H4 107.477
H3 C1 H5 107.477 H4 C1 H5 106.925
H6 N2 H7 104.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.002      
2 N -0.225      
3 H 0.006      
4 H 0.031      
5 H 0.031      
6 H 0.077      
7 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.292 0.287 0.000 1.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.626 2.051 -0.002
y 2.051 -14.231 -0.002
z -0.002 -0.002 -12.707
Traceless
 xyz
x -1.157 2.051 -0.002
y 2.051 -0.565 -0.002
z -0.002 -0.002 1.722
Polar
3z2-r23.443
x2-y2-0.395
xy2.051
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.656 0.163 0.000
y 0.163 3.259 0.000
z 0.000 0.000 2.972


<r2> (average value of r2) Å2
<r2> 26.722
(<r2>)1/2 5.169