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: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-131.929849
Energy at 298.15K-131.932301
HF Energy-131.929849
Nuclear repulsion energy60.820330
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 LSDA/cc-pVDZ
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' 3085 3051 8.64      
2 A' 3064 3031 0.83      
3 A' 2072 2049 210.54      
4 A' 1407 1392 4.55      
5 A' 1218 1205 8.34      
6 A' 855 846 293.91      
7 A' 625 618 85.35      
8 A' 492 486 25.64      
9 A" 3200 3165 0.31      
10 A" 1064 1052 2.70      
11 A" 907 897 12.78      
12 A" 369 365 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 9179.2 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 9078.3 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 LSDA/cc-pVDZ
ABC
6.42320 0.35055 0.34284

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.115 -1.176 0.000
N2 0.000 0.100 0.000
C3 -0.262 1.290 0.000
H4 0.163 -1.713 0.959
H5 0.163 -1.713 -0.959
H6 0.557 2.039 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.28082.49461.10011.10013.2444
N21.28081.21882.05722.05722.0170
C32.49461.21883.18093.18091.1093
H41.10012.05723.18091.91763.8919
H51.10012.05723.18091.91763.8919
H63.24442.01701.10933.89193.8919

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 172.733 N2 C1 H4 119.355
N2 C1 H5 119.355 N2 C3 H6 120.002
H4 C1 H5 121.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 N 0.098      
3 C -0.208      
4 H 0.089      
5 H 0.089      
6 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.320 -0.742 0.000 1.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.156 2.330 0.000
y 2.330 -16.358 0.000
z 0.000 0.000 -16.982
Traceless
 xyz
x -3.486 2.330 0.000
y 2.330 2.211 0.000
z 0.000 0.000 1.275
Polar
3z2-r22.549
x2-y2-3.798
xy2.330
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.577 -0.723 0.000
y -0.723 8.898 0.000
z 0.000 0.000 2.803


<r2> (average value of r2) Å2
<r2> 42.205
(<r2>)1/2 6.497