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

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-186.883492
Energy at 298.15K 
HF Energy-186.883492
Nuclear repulsion energy91.693483
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 BLYP/TZVP
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' 3107 3099 7.66 100.86 0.56 0.72
2 A' 2982 2975 22.68 116.70 0.16 0.27
3 A' 2192 2187 22.52 197.05 0.28 0.44
4 A' 1624 1620 18.84 47.66 0.22 0.36
5 A' 1471 1468 10.10 35.78 0.39 0.56
6 A' 1192 1189 7.98 4.75 0.75 0.86
7 A' 925 922 6.35 1.90 0.01 0.02
8 A' 599 597 3.05 4.48 0.31 0.48
9 A' 245 244 5.38 10.99 0.54 0.70
10 A" 1054 1051 20.31 0.53 0.75 0.86
11 A" 753 751 1.25 4.72 0.75 0.86
12 A" 351 350 7.41 0.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8246.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 8226.0 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 BLYP/TZVP
ABC
2.33987 0.17549 0.16324

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.106 -1.578 0.000
N2 -0.583 -0.493 0.000
C3 0.000 0.715 0.000
N4 0.383 1.823 0.000
H5 -0.439 -2.525 0.000
H6 1.204 -1.608 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28602.29583.41261.09191.0981
N21.28601.34092.50882.03722.1065
C32.29581.34091.17223.26922.6166
N43.41262.50881.17224.42453.5281
H51.09192.03723.26924.42451.8809
H61.09812.10652.61663.52811.8809

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 121.828 N2 C1 H5 117.670
N2 C1 H6 123.958 N2 C3 N4 173.278
H5 C1 H6 118.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084      
2 N -0.095      
3 C 0.047      
4 N -0.145      
5 H 0.153      
6 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.534 -4.359 0.000 4.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.083 -2.527 0.000
y -2.527 -24.477 0.000
z 0.000 0.000 -23.038
Traceless
 xyz
x -0.325 -2.527 0.000
y -2.527 -0.917 0.000
z 0.000 0.000 1.242
Polar
3z2-r22.484
x2-y20.394
xy-2.527
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.081 0.360 0.000
y 0.360 9.283 0.000
z 0.000 0.000 2.854


<r2> (average value of r2) Å2
<r2> 71.955
(<r2>)1/2 8.483