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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-95.800353
Energy at 298.15K 
HF Energy-95.800353
Nuclear repulsion energy42.037502
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 B1B95/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' 3513 3377 0.93 112.93 0.11 0.20
2 A' 3094 2974 40.69 102.70 0.30 0.46
3 A' 2987 2871 95.16 151.67 0.15 0.26
4 A' 1656 1592 15.87 7.81 0.69 0.81
5 A' 1476 1418 8.88 18.44 0.67 0.80
6 A' 1443 1387 3.35 5.77 0.63 0.78
7 A' 1175 1129 6.08 2.55 0.51 0.67
8 A' 1100 1058 13.28 8.07 0.29 0.45
9 A' 873 839 137.89 3.86 0.69 0.82
10 A" 3591 3451 0.02 68.41 0.75 0.86
11 A" 3138 3016 30.10 79.94 0.75 0.86
12 A" 1496 1438 2.46 18.24 0.75 0.86
13 A" 1349 1297 0.42 1.64 0.75 0.86
14 A" 979 941 0.03 0.35 0.75 0.86
15 A" 331 318 36.91 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14100.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 13553.3 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 B1B95/cc-pVDZ
ABC
3.42390 0.76617 0.73823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.053 0.696 0.000
N2 0.053 -0.757 0.000
H3 -0.941 1.184 0.000
H4 0.597 1.062 0.881
H5 0.597 1.062 -0.881
H6 -0.469 -1.094 -0.807
H7 -0.469 -1.094 0.807

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45251.10751.09901.09902.03162.0316
N21.45252.18062.09342.09341.01841.0184
H31.10752.18061.77751.77752.46282.4628
H41.09902.09341.77751.76262.93902.4069
H51.09902.09341.77751.76262.40692.9390
H62.03161.01842.46282.93902.40691.6139
H72.03161.01842.46282.40692.93901.6139

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 109.357 C1 N2 H7 109.357
N2 C1 H3 116.162 N2 C1 H4 109.479
N2 C1 H5 109.479 H3 C1 H4 107.333
H3 C1 H5 107.333 H4 C1 H5 106.624
H6 N2 H7 104.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 N -0.230      
3 H 0.011      
4 H 0.036      
5 H 0.036      
6 H 0.081      
7 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.274 0.246 0.000 1.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.461 2.042 0.000
y 2.042 -13.982 0.000
z 0.000 0.000 -12.520
Traceless
 xyz
x -1.210 2.042 0.000
y 2.042 -0.492 0.000
z 0.000 0.000 1.702
Polar
3z2-r23.404
x2-y2-0.479
xy2.042
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.650 0.152 0.000
y 0.152 3.263 0.000
z 0.000 0.000 2.956


<r2> (average value of r2) Å2
<r2> 26.427
(<r2>)1/2 5.141