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: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-132.523372
Energy at 298.15K-132.525889
HF Energy-132.523372
Nuclear repulsion energy60.988667
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 PBE1PBE/aug-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' 3166 3045 2.54      
2 A' 3114 2994 2.98      
3 A' 2026 1949 261.17      
4 A' 1488 1431 3.45      
5 A' 1245 1197 8.43      
6 A' 903 868 355.08      
7 A' 741 712 79.92      
8 A' 486 467 34.58      
9 A" 3285 3159 0.71      
10 A" 1130 1086 7.73      
11 A" 957 920 11.01      
12 A" 344 331 4.77      

Unscaled Zero Point Vibrational Energy (zpe) 9441.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9079.2 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 PBE1PBE/aug-cc-pVDZ
ABC
6.43272 0.35216 0.34489

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -1.172 0.000
N2 0.000 0.099 0.000
C3 -0.275 1.290 0.000
H4 0.174 -1.703 0.949
H5 0.174 -1.703 -0.949
H6 0.562 2.005 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.27662.49341.08881.08883.2064
N21.27661.22202.04412.04411.9868
C32.49341.22203.17163.17161.1011
H41.08882.04413.17161.89773.8469
H51.08882.04413.17161.89773.8469
H63.20641.98681.10113.84693.8469

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 172.539 N2 C1 H4 119.368
N2 C1 H5 119.368 N2 C3 H6 117.479
H4 C1 H5 121.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.594      
2 N 0.077      
3 C -0.008      
4 H -0.237      
5 H -0.237      
6 H -0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.416 -1.052 0.000 1.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.828 2.531 0.000
y 2.531 -16.748 0.000
z 0.000 0.000 -17.416
Traceless
 xyz
x -3.746 2.531 0.000
y 2.531 2.374 0.000
z 0.000 0.000 1.371
Polar
3z2-r22.743
x2-y2-4.080
xy2.531
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.174 -1.050 0.000
y -1.050 10.081 0.000
z 0.000 0.000 3.796


<r2> (average value of r2) Å2
<r2> 42.276
(<r2>)1/2 6.502