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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-95.899975
Energy at 298.15K 
HF Energy-95.899975
Nuclear repulsion energy42.008365
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 B3LYP/cc-pVTZ
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' 3493 3376 0.67 114.34 0.10 0.18
2 A' 3053 2951 37.25 106.31 0.22 0.36
3 A' 2959 2861 94.72 151.76 0.16 0.27
4 A' 1665 1609 19.44 5.41 0.66 0.79
5 A' 1498 1448 6.50 11.88 0.64 0.78
6 A' 1459 1410 1.73 3.09 0.49 0.66
7 A' 1173 1133 6.99 2.15 0.37 0.54
8 A' 1054 1018 9.26 8.14 0.27 0.43
9 A' 841 813 155.46 2.26 0.62 0.76
10 A" 3568 3449 0.16 59.99 0.75 0.86
11 A" 3086 2983 33.11 68.77 0.75 0.86
12 A" 1519 1468 3.41 10.79 0.75 0.86
13 A" 1350 1305 0.06 1.27 0.75 0.86
14 A" 976 943 0.08 0.07 0.75 0.86
15 A" 300 290 33.70 0.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13995.5 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 13528.0 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 B3LYP/cc-pVTZ
ABC
3.47136 0.75941 0.73003

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.705 0.000
N2 0.050 -0.759 0.000
H3 -0.942 1.176 0.000
H4 0.589 1.065 0.877
H5 0.589 1.065 -0.877
H6 -0.443 -1.112 -0.811
H7 -0.443 -1.112 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.46361.09821.09061.09062.04942.0494
N21.46362.17392.09432.09431.01251.0125
H31.09822.17391.76831.76832.47722.4772
H41.09062.09431.76831.75382.94142.4100
H51.09062.09431.76831.75382.41002.9414
H62.04941.01252.47722.94142.41001.6215
H72.04941.01252.47722.41002.94141.6215

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 110.387 C1 N2 H7 110.387
N2 C1 H3 115.377 N2 C1 H4 109.282
N2 C1 H5 109.282 H3 C1 H4 107.774
H3 C1 H5 107.774 H4 C1 H5 107.029
H6 N2 H7 106.397
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 N -0.332      
3 H 0.059      
4 H 0.094      
5 H 0.094      
6 H 0.132      
7 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.237 0.299 0.000 1.273
CHELPG        
AIM        
ESP -1.217 0.292 0.000 1.252


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.968 2.055 0.000
y 2.055 -14.302 0.000
z 0.000 0.000 -12.713
Traceless
 xyz
x -1.461 2.055 0.000
y 2.055 -0.461 0.000
z 0.000 0.000 1.922
Polar
3z2-r23.844
x2-y2-0.667
xy2.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.115 0.100 0.000
y 0.100 3.734 0.000
z 0.000 0.000 3.321


<r2> (average value of r2) Å2
<r2> 26.733
(<r2>)1/2 5.170