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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: HSEh1PBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at HSEh1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-186.723428
Energy at 298.15K 
HF Energy-186.723428
Nuclear repulsion energy92.799103
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 HSEh1PBE/daug-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' 3202 3202 3.40 81.55 0.58 0.74
2 A' 3081 3081 15.65 103.60 0.09 0.17
3 A' 2329 2329 39.13 233.34 0.23 0.37
4 A' 1723 1723 32.55 66.60 0.21 0.35
5 A' 1500 1500 15.45 21.96 0.39 0.56
6 A' 1226 1226 11.36 2.82 0.67 0.80
7 A' 974 974 6.02 2.13 0.07 0.13
8 A' 641 641 5.12 4.49 0.15 0.26
9 A' 254 254 6.10 8.62 0.44 0.62
10 A" 1105 1105 19.15 1.02 0.75 0.86
11 A" 785 785 1.72 1.81 0.75 0.86
12 A" 381 381 8.42 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8600.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8600.4 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 HSEh1PBE/daug-cc-pVTZ
ABC
2.26855 0.18161 0.16815

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 -1.549 0.000
N2 -0.602 -0.483 0.000
C3 0.000 0.708 0.000
N4 0.421 1.783 0.000
H5 -0.442 -2.496 0.000
H6 1.179 -1.561 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26922.25793.34861.08571.0908
N21.26921.33402.48642.01942.0810
C32.25791.33401.15533.23412.5563
N43.34862.48641.15534.36573.4290
H51.08572.01943.23414.36571.8713
H61.09082.08102.55633.42901.8713

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 120.286 N2 C1 H5 117.869
N2 C1 H6 123.550 N2 C3 N4 174.564
H5 C1 H6 118.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.452      
2 N -0.366      
3 C 0.306      
4 N -0.899      
5 H 0.644      
6 H 0.768      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.414 -4.529 0.000 4.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.825 -2.661 0.000
y -2.661 -23.792 0.000
z 0.000 0.000 -22.876
Traceless
 xyz
x -0.491 -2.661 0.000
y -2.661 -0.441 0.000
z 0.000 0.000 0.932
Polar
3z2-r21.864
x2-y2-0.033
xy-2.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.597 0.358 0.000
y 0.358 8.872 0.000
z 0.000 0.000 3.650


<r2> (average value of r2) Å2
<r2> 70.038
(<r2>)1/2 8.369