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

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-186.713618
Energy at 298.15K 
HF Energy-186.713618
Nuclear repulsion energy91.913807
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/Def2TZVPP
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' 3114 3114 5.44 92.42 0.58 0.73
2 A' 2992 2992 19.20 113.46 0.12 0.22
3 A' 2206 2206 18.79 197.11 0.28 0.43
4 A' 1641 1641 19.59 53.46 0.23 0.38
5 A' 1453 1453 9.53 25.18 0.41 0.58
6 A' 1181 1181 10.08 3.48 0.75 0.86
7 A' 945 945 5.58 2.54 0.00 0.01
8 A' 608 608 4.02 4.48 0.22 0.37
9 A' 244 244 5.14 9.67 0.49 0.66
10 A" 1041 1041 19.74 0.42 0.75 0.86
11 A" 756 756 1.34 2.90 0.75 0.86
12 A" 355 355 6.81 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8268.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8268.5 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/Def2TZVPP
ABC
2.32389 0.17687 0.16436

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.103 -1.571 0.000
N2 -0.587 -0.490 0.000
C3 0.000 0.710 0.000
N4 0.390 1.816 0.000
H5 -0.440 -2.521 0.000
H6 1.202 -1.594 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28292.28413.39911.09371.0990
N21.28291.33562.50332.03642.1016
C32.28411.33561.17193.26092.5985
N43.39912.50331.17194.41503.5045
H51.09372.03643.26094.41501.8857
H61.09902.10162.59853.50451.8857

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 121.441 N2 C1 H5 117.709
N2 C1 H6 123.661 N2 C3 N4 173.371
H5 C1 H6 118.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.017      
2 N -0.130      
3 C -0.083      
4 N -0.001      
5 H 0.125      
6 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.413 -4.343 0.000 4.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.720 -2.409 0.000
y -2.409 -24.033 0.000
z 0.000 0.000 -22.908
Traceless
 xyz
x -0.250 -2.409 0.000
y -2.409 -0.719 0.000
z 0.000 0.000 0.969
Polar
3z2-r21.938
x2-y20.312
xy-2.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.290 0.372 0.000
y 0.372 9.246 0.000
z 0.000 0.000 3.196


<r2> (average value of r2) Å2
<r2> 71.373
(<r2>)1/2 8.448