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: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-132.726204
Energy at 298.15K-132.728732
HF Energy-132.726204
Nuclear repulsion energy61.280589
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 B3LYP/aug-cc-pVTZ
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' 3138 3036 1.56      
2 A' 3091 2990 3.30      
3 A' 1993 1928 263.83      
4 A' 1500 1452 3.91      
5 A' 1231 1191 7.67      
6 A' 909 880 374.47      
7 A' 733 710 77.79      
8 A' 489 473 32.14      
9 A" 3241 3135 1.22      
10 A" 1145 1108 7.19      
11 A" 964 933 10.81      
12 A" 350 339 4.29      

Unscaled Zero Point Vibrational Energy (zpe) 9392.2 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9087.0 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 B3LYP/aug-cc-pVTZ
ABC
6.61497 0.35478 0.34738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 -1.172 0.000
N2 0.000 0.100 0.000
C3 -0.230 1.291 0.000
H4 0.123 -1.703 0.940
H5 0.123 -1.703 -0.940
H6 0.608 1.988 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.27442.48331.08021.08023.2024
N21.27441.21352.03672.03671.9840
C32.48331.21353.15803.15801.0904
H41.08022.03673.15801.87973.8398
H51.08022.03673.15801.87973.8398
H63.20241.98401.09043.83983.8398

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 173.020 N2 C1 H4 119.533
N2 C1 H5 119.533 N2 C3 H6 118.798
H4 C1 H5 120.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.604      
2 N 0.054      
3 C -0.553      
4 H 0.371      
5 H 0.371      
6 H 0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.344 -1.009 0.000 1.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.698 2.607 0.000
y 2.607 -17.080 0.000
z 0.000 0.000 -17.533
Traceless
 xyz
x -3.392 2.607 0.000
y 2.607 2.036 0.000
z 0.000 0.000 1.356
Polar
3z2-r22.711
x2-y2-3.618
xy2.607
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.226 -0.898 0.000
y -0.898 10.202 0.000
z 0.000 0.000 3.900


<r2> (average value of r2) Å2
<r2> 42.109
(<r2>)1/2 6.489