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

using model chemistry: B1B95/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-95.813714
Energy at 298.15K 
HF Energy-95.813714
Nuclear repulsion energy42.063487
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3543 3394 0.78 124.53 0.08 0.14
2 A' 3105 2974 32.81 102.43 0.32 0.49
3 A' 3010 2884 88.32 169.22 0.09 0.17
4 A' 1648 1579 20.35 2.87 0.71 0.83
5 A' 1474 1412 6.81 5.28 0.68 0.81
6 A' 1434 1373 1.80 0.87 0.48 0.65
7 A' 1161 1112 5.89 0.38 0.12 0.21
8 A' 1094 1048 14.03 8.28 0.15 0.26
9 A' 825 791 139.21 1.27 0.32 0.49
10 A" 3627 3474 2.08 50.12 0.75 0.86
11 A" 3145 3013 27.69 59.06 0.75 0.86
12 A" 1493 1431 4.53 6.19 0.75 0.86
13 A" 1336 1280 0.16 0.36 0.75 0.86
14 A" 968 928 0.07 0.12 0.75 0.86
15 A" 309 296 32.57 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14086.3 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 13493.3 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/aug-cc-pVDZ
ABC
3.45266 0.76513 0.73522

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.701 0.000
N2 0.050 -0.754 0.000
H3 -0.947 1.172 0.000
H4 0.592 1.062 0.881
H5 0.592 1.062 -0.881
H6 -0.441 -1.112 -0.811
H7 -0.441 -1.112 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45541.10231.09541.09542.04632.0463
N21.45542.16882.08972.08971.01351.0135
H31.10232.16881.77691.77692.47602.4760
H41.09542.08971.77691.76132.94202.4079
H51.09542.08971.77691.76132.40792.9420
H62.04631.01352.47602.94202.40791.6222
H72.04631.01352.47602.40792.94201.6222

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 110.678 C1 N2 H7 110.678
N2 C1 H3 115.285 N2 C1 H4 109.201
N2 C1 H5 109.201 H3 C1 H4 107.908
H3 C1 H5 107.908 H4 C1 H5 107.025
H6 N2 H7 106.318
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.955      
2 N -0.150      
3 H -0.205      
4 H -0.240      
5 H -0.240      
6 H -0.060      
7 H -0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.256 0.342 0.000 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.145 2.145 0.000
y 2.145 -14.461 0.000
z 0.000 0.000 -12.704
Traceless
 xyz
x -1.563 2.145 0.000
y 2.145 -0.537 0.000
z 0.000 0.000 2.100
Polar
3z2-r24.199
x2-y2-0.684
xy2.145
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.676 -0.018 0.000
y -0.018 4.216 0.000
z 0.000 0.000 3.580


<r2> (average value of r2) Å2
<r2> 26.729
(<r2>)1/2 5.170