return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2NH (Methanimine)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-94.044337
Energy at 298.15K 
HF Energy-94.044337
Nuclear repulsion energy32.731310
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 M06-2X/3-21G*
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' 3305 3131 6.21      
2 A' 3184 3016 28.40      
3 A' 3063 2902 29.81      
4 A' 1725 1634 9.29      
5 A' 1544 1463 3.29      
6 A' 1376 1303 56.36      
7 A' 1097 1039 53.99      
8 A" 1195 1132 57.97      
9 A" 1136 1076 23.76      

Unscaled Zero Point Vibrational Energy (zpe) 8812.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 8347.3 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 M06-2X/3-21G*
ABC
6.69168 1.14234 0.97577

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.055 0.590 0.000
N2 0.055 -0.685 0.000
H3 -0.829 1.235 0.000
H4 1.011 1.109 0.000
H5 -0.899 -1.093 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27531.09361.08751.9350
N21.27532.11332.03281.0379
H31.09362.11331.84382.3287
H41.08752.03281.84382.9151
H51.93501.03792.32872.9151

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 113.147 N2 C1 H3 126.099
N2 C1 H4 118.488 H3 C1 H4 115.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 N -0.503      
3 H 0.176      
4 H 0.210      
5 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.594 1.328 0.000 2.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.584 2.199 0.000
y 2.199 -12.497 0.000
z 0.000 0.000 -13.392
Traceless
 xyz
x 1.361 2.199 0.000
y 2.199 -0.009 0.000
z 0.000 0.000 -1.351
Polar
3z2-r2-2.703
x2-y20.913
xy2.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.289 0.346 0.000
y 0.346 3.391 0.000
z 0.000 0.000 0.873


<r2> (average value of r2) Å2
<r2> 19.682
(<r2>)1/2 4.436