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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-95.791024
Energy at 298.15K 
HF Energy-95.791024
Nuclear repulsion energy41.981856
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 B3PW91/6-31G
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' 3594 3442 0.05      
2 A' 3083 2953 49.32      
3 A' 2951 2826 137.00      
4 A' 1717 1645 28.20      
5 A' 1541 1476 12.17      
6 A' 1504 1440 2.76      
7 A' 1171 1122 10.99      
8 A' 1117 1070 14.57      
9 A' 559 536 345.63      
10 A" 3715 3557 1.56      
11 A" 3134 3002 38.70      
12 A" 1564 1497 3.75      
13 A" 1346 1289 0.05      
14 A" 984 942 2.56      
15 A" 281 269 49.31      

Unscaled Zero Point Vibrational Energy (zpe) 14130.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 13532.6 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 B3PW91/6-31G
ABC
3.53771 0.76101 0.72161

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.033 0.708 0.000
N2 0.033 -0.744 0.000
H3 -0.965 1.187 0.000
H4 0.573 1.075 0.880
H5 0.573 1.075 -0.880
H6 -0.305 -1.188 -0.842
H7 -0.305 -1.188 0.842

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45261.10651.09541.09542.10192.1019
N21.45262.17392.09152.09151.00951.0095
H31.10652.17391.77511.77512.60482.6048
H41.09542.09151.77511.75922.97542.4273
H51.09542.09151.77511.75922.42732.9754
H62.10191.00952.60482.97542.42731.6832
H72.10191.00952.60482.42732.97541.6832

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 116.065 C1 N2 H7 116.065
N2 C1 H3 115.646 N2 C1 H4 109.541
N2 C1 H5 109.541 H3 C1 H4 107.449
H3 C1 H5 107.449 H4 C1 H5 106.841
H6 N2 H7 112.952
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.317      
2 N -0.749      
3 H 0.131      
4 H 0.168      
5 H 0.168      
6 H 0.300      
7 H 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.224 0.081 0.000 1.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.277 2.062 0.000
y 2.062 -13.105 0.000
z 0.000 0.000 -12.123
Traceless
 xyz
x -2.663 2.062 0.000
y 2.062 0.595 0.000
z 0.000 0.000 2.068
Polar
3z2-r24.135
x2-y2-2.172
xy2.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.211 0.060 0.000
y 0.060 3.051 0.000
z 0.000 0.000 2.776


<r2> (average value of r2) Å2
<r2> 26.615
(<r2>)1/2 5.159