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: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-132.518410
Energy at 298.15K-132.520857
HF Energy-132.518410
Nuclear repulsion energy60.554387
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 PBEPBEultrafine/6-31+G**
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' 3097 3062 2.52      
2 A' 3042 3007 6.66      
3 A' 1992 1969 215.93      
4 A' 1443 1427 4.70      
5 A' 1203 1190 6.66      
6 A' 891 881 316.57      
7 A' 652 645 105.78      
8 A' 471 466 30.30      
9 A" 3202 3166 0.81      
10 A" 1097 1085 5.05      
11 A" 924 913 11.68      
12 A" 357 353 5.22      

Unscaled Zero Point Vibrational Energy (zpe) 9185.5 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 9080.8 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 PBEPBEultrafine/6-31+G**
ABC
6.44368 0.34652 0.33932

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.167 -1.177 0.000
N2 0.000 0.101 0.000
C3 -0.323 1.287 0.000
H4 0.229 -1.710 0.951
H5 0.229 -1.710 -0.951
H6 0.474 2.049 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.28962.51311.09211.09213.2410
N21.28961.22932.05882.05882.0047
C32.51311.22933.19303.19301.1027
H41.09212.05883.19301.90253.8855
H51.09212.05883.19301.90253.8855
H63.24102.00471.10273.88553.8855

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 172.230 N2 C1 H4 119.414
N2 C1 H5 119.414 N2 C3 H6 118.457
H4 C1 H5 121.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 N 0.099      
3 C -0.214      
4 H 0.172      
5 H 0.172      
6 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.478 -0.858 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.309 2.516 0.000
y 2.516 -16.706 0.000
z 0.000 0.000 -17.459
Traceless
 xyz
x -4.227 2.516 0.000
y 2.516 2.678 0.000
z 0.000 0.000 1.549
Polar
3z2-r23.098
x2-y2-4.603
xy2.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.742 -1.492 0.000
y -1.492 9.969 0.000
z 0.000 0.000 3.133


<r2> (average value of r2) Å2
<r2> 42.865
(<r2>)1/2 6.547