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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-95.266629
Energy at 298.15K 
HF Energy-95.266629
Nuclear repulsion energy41.179867
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 BLYP/3-21G*
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' 3248 3227 10.31 114.02 0.11 0.21
2 A' 2988 2969 37.72 90.86 0.17 0.29
3 A' 2834 2816 134.56 136.19 0.29 0.45
4 A' 1684 1673 10.44 16.20 0.63 0.77
5 A' 1527 1517 12.84 32.13 0.69 0.81
6 A' 1463 1454 2.45 13.35 0.59 0.74
7 A' 1136 1128 4.58 8.79 0.43 0.60
8 A' 1003 996 5.62 8.91 0.54 0.70
9 A' 703 699 189.31 8.95 0.38 0.55
10 A" 3340 3318 8.45 64.95 0.75 0.86
11 A" 3027 3007 34.88 69.78 0.75 0.86
12 A" 1552 1542 1.61 28.80 0.75 0.86
13 A" 1340 1331 1.20 6.65 0.75 0.86
14 A" 973 966 0.04 1.23 0.75 0.86
15 A" 333 331 52.12 4.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13575.3 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 13487.0 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 BLYP/3-21G*
ABC
3.35647 0.72851 0.69868

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.722 0.000
N2 0.049 -0.775 0.000
H3 -0.947 1.224 0.000
H4 0.599 1.072 0.889
H5 0.599 1.072 -0.889
H6 -0.444 -1.136 -0.837
H7 -0.444 -1.136 0.837

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.49751.11551.10241.10242.09702.0970
N21.49752.23352.12252.12251.03651.0365
H31.11552.23351.79051.79052.55402.5540
H41.10242.12251.79051.77752.99062.4428
H51.10242.12251.79051.77752.44282.9906
H62.09701.03652.55402.99062.44281.6746
H72.09701.03652.55402.44282.99061.6746

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 110.372 C1 N2 H7 110.372
N2 C1 H3 116.712 N2 C1 H4 108.499
N2 C1 H5 108.499 H3 C1 H4 107.665
H3 C1 H5 107.665 H4 C1 H5 107.452
H6 N2 H7 107.767
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 N -0.600      
3 H 0.140      
4 H 0.187      
5 H 0.187      
6 H 0.243      
7 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.431 0.296 0.000 1.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.734 2.288 0.000
y 2.288 -13.808 0.000
z 0.000 0.000 -12.497
Traceless
 xyz
x -1.582 2.288 0.000
y 2.288 -0.193 0.000
z 0.000 0.000 1.774
Polar
3z2-r23.548
x2-y2-0.926
xy2.288
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 0.146 0.000
y 0.146 3.064 0.000
z 0.000 0.000 2.770


<r2> (average value of r2) Å2
<r2> 27.281
(<r2>)1/2 5.223