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/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-131.934544
Energy at 298.15K-131.937023
HF Energy-131.934544
Nuclear repulsion energy61.181210
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/6-31G(2df,p)
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' 3096 3047 8.04      
2 A' 3074 3025 1.97      
3 A' 2085 2051 175.66      
4 A' 1434 1412 4.17      
5 A' 1228 1208 7.50      
6 A' 875 861 289.36      
7 A' 637 627 74.05      
8 A' 499 491 25.54      
9 A" 3203 3152 0.03      
10 A" 1088 1071 2.79      
11 A" 924 909 10.08      
12 A" 374 368 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 9258.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 9110.4 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/6-31G(2df,p)
ABC
6.54570 0.35441 0.34667

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.104 -1.170 0.000
N2 0.000 0.099 0.000
C3 -0.248 1.286 0.000
H4 0.146 -1.706 0.950
H5 0.146 -1.706 -0.950
H6 0.571 2.022 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.27342.48081.09161.09163.2261
N21.27341.21222.04522.04522.0058
C32.48081.21223.16373.16371.1008
H41.09162.04523.16371.89983.8706
H51.09162.04523.16371.89983.8706
H63.22612.00581.10083.87063.8706

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 172.884 N2 C1 H4 119.517
N2 C1 H5 119.517 N2 C3 H6 120.192
H4 C1 H5 120.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402      
2 N 0.233      
3 C -0.345      
4 H 0.167      
5 H 0.167      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.226 -0.792 0.000 1.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.858 2.203 0.000
y 2.203 -16.129 0.000
z 0.000 0.000 -16.879
Traceless
 xyz
x -3.354 2.203 0.000
y 2.203 2.240 0.000
z 0.000 0.000 1.114
Polar
3z2-r22.228
x2-y2-3.729
xy2.203
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.645 -0.584 0.000
y -0.584 8.686 0.000
z 0.000 0.000 2.949


<r2> (average value of r2) Å2
<r2> 41.725
(<r2>)1/2 6.460