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

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-95.860514
Energy at 298.15K 
HF Energy-95.860514
Nuclear repulsion energy42.070408
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 B3PW91/TZVP
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' 3526 3400 0.07 110.81 0.11 0.19
2 A' 3071 2962 36.21 103.60 0.26 0.42
3 A' 2970 2864 98.46 160.84 0.15 0.26
4 A' 1668 1608 28.09 7.15 0.73 0.85
5 A' 1492 1439 8.03 19.40 0.63 0.77
6 A' 1458 1406 2.52 5.44 0.65 0.79
7 A' 1166 1124 6.68 3.17 0.51 0.68
8 A' 1075 1037 11.52 8.20 0.31 0.47
9 A' 822 793 187.51 2.57 0.75 0.86
10 A" 3610 3481 0.76 59.39 0.75 0.86
11 A" 3111 3000 32.02 71.41 0.75 0.86
12 A" 1514 1460 4.21 16.66 0.75 0.86
13 A" 1345 1297 0.06 1.99 0.75 0.86
14 A" 976 942 0.09 0.02 0.75 0.86
15 A" 311 300 41.98 0.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14057.1 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 13555.2 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 B3PW91/TZVP
ABC
3.47411 0.76390 0.73318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.048 0.702 0.000
N2 0.048 -0.755 0.000
H3 -0.945 1.175 0.000
H4 0.589 1.064 0.877
H5 0.589 1.064 -0.877
H6 -0.430 -1.117 -0.815
H7 -0.430 -1.117 0.815

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45681.10061.09241.09242.05032.0503
N21.45682.17082.09032.09031.01211.0121
H31.10062.17081.77141.77142.48722.4872
H41.09242.09031.77141.75452.94292.4089
H51.09242.09031.77141.75452.40892.9429
H62.05031.01212.48722.94292.40891.6290
H72.05031.01212.48722.40892.94291.6290

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 111.011 C1 N2 H7 111.011
N2 C1 H3 115.464 N2 C1 H4 109.337
N2 C1 H5 109.337 H3 C1 H4 107.754
H3 C1 H5 107.754 H4 C1 H5 106.848
H6 N2 H7 107.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.288      
2 N -0.466      
3 H 0.098      
4 H 0.125      
5 H 0.125      
6 H 0.203      
7 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.367 0.352 0.000 1.412
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.080 2.273 0.000
y 2.273 -14.178 0.000
z 0.000 0.000 -12.499
Traceless
 xyz
x -1.742 2.273 0.000
y 2.273 -0.388 0.000
z 0.000 0.000 2.130
Polar
3z2-r24.260
x2-y2-0.903
xy2.273
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.019 0.047 0.000
y 0.047 3.508 0.000
z 0.000 0.000 3.190


<r2> (average value of r2) Å2
<r2> 26.637
(<r2>)1/2 5.161