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

using model chemistry: B1B95/daug-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 B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-95.839485
Energy at 298.15K 
HF Energy-95.839485
Nuclear repulsion energy42.216046
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/daug-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' 3545 3545 0.69 126.58 0.07 0.14
2 A' 3090 3090 31.28 106.56 0.27 0.43
3 A' 3000 3000 86.63 171.18 0.10 0.19
4 A' 1662 1662 21.16 2.57 0.70 0.82
5 A' 1498 1498 6.71 5.55 0.67 0.80
6 A' 1455 1455 1.74 0.82 0.41 0.59
7 A' 1169 1169 5.87 0.39 0.09 0.16
8 A' 1084 1084 14.33 7.74 0.14 0.25
9 A' 821 821 143.48 1.66 0.22 0.36
10 A" 3625 3625 2.79 49.72 0.75 0.86
11 A" 3128 3128 27.09 58.41 0.75 0.86
12 A" 1518 1518 4.63 5.78 0.75 0.86
13 A" 1344 1344 0.09 0.31 0.75 0.86
14 A" 971 971 0.07 0.09 0.75 0.86
15 A" 296 296 31.68 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14102.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14102.2 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/daug-cc-pVTZ
ABC
3.49671 0.76882 0.73817

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.701 0.000
N2 0.049 -0.752 0.000
H3 -0.942 1.166 0.000
H4 0.586 1.060 0.875
H5 0.586 1.060 -0.875
H6 -0.433 -1.112 -0.810
H7 -0.433 -1.112 0.810

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45331.09481.08781.08782.04302.0430
N21.45332.15942.08282.08281.00861.0086
H31.09482.15941.76461.76462.47072.4707
H41.08782.08281.76461.74992.93142.3996
H51.08782.08281.76461.74992.39962.9314
H62.04301.00862.47072.93142.39961.6201
H72.04301.00862.47072.39962.93141.6201

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 110.869 C1 N2 H7 110.869
N2 C1 H3 115.146 N2 C1 H4 109.257
N2 C1 H5 109.257 H3 C1 H4 107.893
H3 C1 H5 107.893 H4 C1 H5 107.094
H6 N2 H7 106.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.556      
2 N -0.696      
3 H 0.625      
4 H 0.648      
5 H 0.648      
6 H 0.165      
7 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.236 0.337 0.000 1.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.091 2.102 0.000
y 2.102 -14.390 0.000
z 0.000 0.000 -12.626
Traceless
 xyz
x -1.583 2.102 0.000
y 2.102 -0.531 0.000
z 0.000 0.000 2.114
Polar
3z2-r24.229
x2-y2-0.701
xy2.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.683 -0.024 0.000
y -0.024 4.237 0.000
z 0.000 0.000 3.580


<r2> (average value of r2) Å2
<r2> 26.579
(<r2>)1/2 5.155