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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-95.730281
Energy at 298.15K 
HF Energy-95.730281
Nuclear repulsion energy41.739237
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 PBEPBEultrafine/6-31G(2df,p)
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' 3407 3372 1.57 102.24 0.11 0.19
2 A' 3001 2970 34.84 86.79 0.27 0.43
3 A' 2894 2865 90.59 124.06 0.17 0.29
4 A' 1618 1601 15.80 9.01 0.66 0.80
5 A' 1448 1433 6.95 19.36 0.68 0.81
6 A' 1408 1394 1.91 6.69 0.61 0.75
7 A' 1150 1138 6.19 2.90 0.57 0.73
8 A' 1048 1037 5.26 7.92 0.30 0.46
9 A' 842 833 138.64 4.10 0.72 0.84
10 A" 3486 3451 0.05 58.89 0.75 0.86
11 A" 3044 3013 27.09 65.49 0.75 0.86
12 A" 1470 1455 2.21 18.96 0.75 0.86
13 A" 1319 1306 0.22 2.75 0.75 0.86
14 A" 954 944 0.07 0.36 0.75 0.86
15 A" 317 314 34.17 1.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13703.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 13562.3 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 PBEPBEultrafine/6-31G(2df,p)
ABC
3.38282 0.75344 0.72614

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.053 0.703 0.000
N2 0.053 -0.765 0.000
H3 -0.944 1.193 0.000
H4 0.600 1.066 0.886
H5 0.600 1.066 -0.886
H6 -0.475 -1.096 -0.812
H7 -0.475 -1.096 0.812

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46821.11151.10281.10282.04392.0439
N21.46822.19762.10642.10641.02391.0239
H31.11152.19761.78531.78532.47412.4741
H41.10282.10641.78531.77282.95242.4162
H51.10282.10641.78531.77282.41622.9524
H62.04391.02392.47412.95242.41621.6236
H72.04391.02392.47412.41622.95241.6236

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 108.890 C1 N2 H7 108.890
N2 C1 H3 116.153 N2 C1 H4 109.201
N2 C1 H5 109.201 H3 C1 H4 107.460
H3 C1 H5 107.460 H4 C1 H5 106.983
H6 N2 H7 104.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 N -0.493      
3 H 0.104      
4 H 0.133      
5 H 0.133      
6 H 0.229      
7 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.245 0.260 0.000 1.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.526 2.030 0.000
y 2.030 -14.098 0.000
z 0.000 0.000 -12.528
Traceless
 xyz
x -1.212 2.030 0.000
y 2.030 -0.571 0.000
z 0.000 0.000 1.783
Polar
3z2-r23.567
x2-y2-0.428
xy2.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.780 0.143 0.000
y 0.143 3.422 0.000
z 0.000 0.000 3.084


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