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: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-94.547233
Energy at 298.15K 
HF Energy-94.547233
Nuclear repulsion energy33.056400
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 PBE1PBE/6-311+G(3df,2p)
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' 3487 3487 0.54      
2 A' 3132 3132 27.12      
3 A' 3035 3035 46.85      
4 A' 1734 1734 23.53      
5 A' 1489 1489 7.41      
6 A' 1364 1364 39.32      
7 A' 1068 1068 36.45      
8 A" 1169 1169 44.70      
9 A" 1104 1104 18.64      

Unscaled Zero Point Vibrational Energy (zpe) 8791.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8791.1 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 PBE1PBE/6-311+G(3df,2p)
ABC
6.62038 1.17495 0.99786

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.582 0.000
N2 0.056 -0.680 0.000
H3 -0.844 1.205 0.000
H4 1.011 1.108 0.000
H5 -0.896 -1.046 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26111.09501.09071.8853
N21.26112.08822.02681.0197
H31.09502.08821.85812.2510
H41.09072.02681.85812.8767
H51.88531.01972.25102.8767

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.055 N2 C1 H3 124.675
N2 C1 H4 118.865 H3 C1 H4 116.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.290      
2 N -0.698      
3 H 0.126      
4 H 0.129      
5 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.379 1.496 0.000 2.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.700 2.079 0.000
y 2.079 -12.763 0.000
z 0.000 0.000 -13.729
Traceless
 xyz
x 1.547 2.079 0.000
y 2.079 -0.049 0.000
z 0.000 0.000 -1.498
Polar
3z2-r2-2.996
x2-y21.064
xy2.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.117 0.117 0.000
y 0.117 4.233 0.000
z 0.000 0.000 2.412


<r2> (average value of r2) Å2
<r2> 19.564
(<r2>)1/2 4.423