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 H2CNCH (methyleneaminomethylene)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-131.853658
Energy at 298.15K-131.856098
HF Energy-131.853658
Nuclear repulsion energy60.410716
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 B97D3/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3109 3109 0.73      
2 A' 3009 3009 22.99      
3 A' 1954 1954 133.47      
4 A' 1475 1475 4.60      
5 A' 1173 1173 4.16      
6 A' 873 873 338.27      
7 A' 681 681 117.99      
8 A' 467 467 16.03      
9 A" 3210 3210 7.85      
10 A" 1130 1130 3.70      
11 A" 943 943 9.45      
12 A" 342 342 6.90      

Unscaled Zero Point Vibrational Energy (zpe) 9183.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9183.1 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 B97D3/3-21G*
ABC
6.64065 0.34370 0.33657

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.242 -1.170 0.000
N2 0.000 0.103 0.000
C3 -0.405 1.266 0.000
H4 0.338 -1.703 0.942
H5 0.338 -1.703 -0.942
H6 0.302 2.109 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.29522.51981.08681.08683.2795
N21.29521.23142.06452.06452.0292
C32.51981.23143.20193.20191.1011
H41.08682.06453.20191.88423.9271
H51.08682.06453.20191.88423.9271
H63.27952.02921.10113.92713.9271

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 171.566 N2 C1 H4 119.905
N2 C1 H5 119.905 N2 C3 H6 120.803
H4 C1 H5 120.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 N -0.483      
3 C 0.022      
4 H 0.222      
5 H 0.222      
6 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.431 -0.537 0.000 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.754 1.852 0.000
y 1.852 -15.265 0.000
z 0.000 0.000 -16.976
Traceless
 xyz
x -4.633 1.852 0.000
y 1.852 3.600 0.000
z 0.000 0.000 1.034
Polar
3z2-r22.068
x2-y2-5.489
xy1.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.096 -1.364 0.000
y -1.364 8.061 0.000
z 0.000 0.000 2.319


<r2> (average value of r2) Å2
<r2> 42.607
(<r2>)1/2 6.527