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

using model chemistry: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-186.940844
Energy at 298.15K 
HF Energy-186.940844
Nuclear repulsion energy92.383701
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/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' 3185 3185 5.88 87.51 0.58 0.73
2 A' 3066 3066 18.25 104.73 0.12 0.21
3 A' 2272 2272 28.50 202.38 0.27 0.43
4 A' 1686 1686 25.73 55.69 0.22 0.36
5 A' 1507 1507 13.53 29.87 0.38 0.55
6 A' 1224 1224 10.70 3.52 0.74 0.85
7 A' 954 954 5.74 1.88 0.02 0.04
8 A' 627 627 4.06 3.83 0.21 0.35
9 A' 250 250 5.54 9.39 0.50 0.67
10 A" 1092 1092 18.65 0.53 0.75 0.86
11 A" 778 778 1.21 3.22 0.75 0.86
12 A" 369 369 7.53 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8505.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8505.1 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/Def2TZVPP
ABC
2.29552 0.17927 0.16628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.099 -1.560 0.000
N2 -0.594 -0.488 0.000
C3 0.000 0.710 0.000
N4 0.401 1.800 0.000
H5 -0.434 -2.506 0.000
H6 1.190 -1.575 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27612.27143.37311.08581.0907
N21.27611.33712.49532.02372.0888
C32.27141.33711.16183.24432.5760
N43.37312.49531.16184.38573.4660
H51.08582.02373.24434.38571.8713
H61.09072.08882.57603.46601.8713

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 120.717 N2 C1 H5 117.695
N2 C1 H6 123.719 N2 C3 N4 173.820
H5 C1 H6 118.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 N -0.176      
3 C -0.029      
4 N -0.029      
5 H 0.100      
6 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.444 -4.464 0.000 4.486
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 4.176 0.358 0.000
y 0.358 8.878 0.000
z 0.000 0.000 3.132


<r2> (average value of r2) Å2
<r2> 70.580
(<r2>)1/2 8.401