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: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-94.607050
Energy at 298.15K 
HF Energy-94.607050
Nuclear repulsion energy32.815698
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 B97D3/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' 3344 3296 5.67      
2 A' 3053 3009 43.26      
3 A' 2944 2901 66.30      
4 A' 1666 1642 21.07      
5 A' 1471 1450 4.26      
6 A' 1348 1329 37.00      
7 A' 1059 1043 35.72      
8 A" 1147 1130 48.20      
9 A" 1079 1063 14.45      

Unscaled Zero Point Vibrational Energy (zpe) 8555.0 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 8431.8 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 B97D3/TZVP
ABC
6.54705 1.15657 0.98293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.586 0.000
N2 0.056 -0.686 0.000
H3 -0.842 1.224 0.000
H4 1.018 1.109 0.000
H5 -0.906 -1.047 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27151.10171.09551.8946
N21.27152.11052.03691.0273
H31.10172.11051.86342.2718
H41.09552.03691.86342.8898
H51.89461.02732.27182.8898

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.563 N2 C1 H3 125.428
N2 C1 H4 118.565 H3 C1 H4 116.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 N -0.239      
3 H 0.085      
4 H 0.120      
5 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.438 1.411 0.000 2.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.751 2.068 0.000
y 2.068 -12.905 0.000
z 0.000 0.000 -13.573
Traceless
 xyz
x 1.489 2.068 0.000
y 2.068 -0.243 0.000
z 0.000 0.000 -1.245
Polar
3z2-r2-2.491
x2-y21.155
xy2.068
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.918 0.177 0.000
y 0.177 4.212 0.000
z 0.000 0.000 1.822


<r2> (average value of r2) Å2
<r2> 19.741
(<r2>)1/2 4.443