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: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-132.731735
Energy at 298.15K-132.734251
HF Energy-132.731735
Nuclear repulsion energy61.135570
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 TPSSh/Def2TZVPP
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' 3139 3139 0.90      
2 A' 3072 3072 8.74      
3 A' 1985 1985 226.52      
4 A' 1501 1501 3.42      
5 A' 1224 1224 7.98      
6 A' 926 926 348.15      
7 A' 714 714 81.37      
8 A' 488 488 28.43      
9 A" 3246 3246 1.93      
10 A" 1143 1143 7.48      
11 A" 966 966 9.94      
12 A" 353 353 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 9377.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9377.6 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 TPSSh/Def2TZVPP
ABC
6.53703 0.35331 0.34606

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.147 -1.168 0.000
N2 0.000 0.100 0.000
C3 -0.300 1.281 0.000
H4 0.205 -1.696 0.942
H5 0.205 -1.696 -0.942
H6 0.511 2.014 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.27662.48951.08161.08163.2030
N21.27661.21852.03862.03861.9811
C32.48951.21853.16323.16321.0937
H41.08162.03863.16321.88423.8402
H51.08162.03863.16321.88423.8402
H63.20301.98111.09373.84023.8402

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 172.334 N2 C1 H4 119.416
N2 C1 H5 119.416 N2 C3 H6 117.824
H4 C1 H5 121.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 N 0.065      
3 C -0.202      
4 H 0.095      
5 H 0.095      
6 H 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.404 -0.997 0.000 1.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.655 -1.081 0.000
y -1.081 9.628 0.000
z 0.000 0.000 3.354


<r2> (average value of r2) Å2
<r2> 42.039
(<r2>)1/2 6.484