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

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-186.912529
Energy at 298.15K 
HF Energy-186.912529
Nuclear repulsion energy92.239738
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 TPSSh/6-311G*
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' 3199 3081 11.29 90.25 0.59 0.75
2 A' 3075 2962 24.65 95.91 0.16 0.28
3 A' 2280 2196 27.07 175.31 0.30 0.46
4 A' 1690 1628 26.84 46.97 0.23 0.38
5 A' 1517 1461 12.72 31.68 0.43 0.61
6 A' 1234 1189 10.05 3.88 0.75 0.86
7 A' 956 921 6.13 1.37 0.03 0.05
8 A' 625 602 3.74 3.17 0.30 0.46
9 A' 249 240 5.54 9.48 0.54 0.70
10 A" 1080 1041 20.52 0.39 0.75 0.86
11 A" 778 750 1.44 5.51 0.75 0.86
12 A" 369 355 7.77 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8525.9 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8212.1 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 TPSSh/6-311G*
ABC
2.26536 0.17909 0.16597

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.099 -1.560 0.000
N2 -0.599 -0.488 0.000
C3 0.000 0.709 0.000
N4 0.406 1.800 0.000
H5 -0.435 -2.507 0.000
H6 1.191 -1.578 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27922.27163.37451.08701.0922
N21.27921.33892.49952.02592.0956
C32.27161.33891.16423.24592.5786
N43.37452.49951.16424.38893.4680
H51.08702.02593.24594.38891.8725
H61.09222.09562.57863.46801.8725

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 120.357 N2 C1 H5 117.551
N2 C1 H6 123.990 N2 C3 N4 173.851
H5 C1 H6 118.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 N -0.254      
3 C 0.305      
4 N -0.314      
5 H 0.234      
6 H 0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.503 -4.392 0.000 4.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.652 0.332 0.000
y 0.332 8.372 0.000
z 0.000 0.000 2.354


<r2> (average value of r2) Å2
<r2> 70.599
(<r2>)1/2 8.402