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

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-184.399732
Energy at 298.15K 
HF Energy-184.399732
Nuclear repulsion energy89.231293
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 wB97X-D/STO-3G
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' 3526 3526 4.19 44.70 0.65 0.79
2 A' 3354 3354 20.55 37.14 0.12 0.21
3 A' 2360 2360 8.80 60.98 0.29 0.45
4 A' 1743 1743 15.65 12.35 0.15 0.27
5 A' 1543 1543 11.67 28.70 0.48 0.65
6 A' 1235 1235 1.53 4.50 0.74 0.85
7 A' 877 877 0.34 0.86 0.02 0.05
8 A' 626 626 3.42 1.05 0.37 0.54
9 A' 244 244 5.20 4.72 0.54 0.71
10 A" 1064 1064 18.65 0.05 0.75 0.86
11 A" 821 821 0.02 6.30 0.75 0.86
12 A" 339 339 8.01 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8865.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8865.7 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 wB97X-D/STO-3G
ABC
1.87782 0.17158 0.15722

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.140 -1.572 0.000
N2 -0.672 -0.536 0.000
C3 0.000 0.726 0.000
N4 0.422 1.847 0.000
H5 -0.328 -2.573 0.000
H6 1.245 -1.527 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.31672.30253.43141.10391.1068
N21.31671.42982.62242.06572.1587
C32.30251.42981.19813.31472.5739
N43.43142.62241.19814.48303.4730
H51.10392.06573.31474.48301.8890
H61.10682.15872.57393.47301.8890

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 113.869 N2 C1 H5 116.889
N2 C1 H6 125.706 N2 C3 N4 172.554
H5 C1 H6 117.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 N -0.174      
3 C 0.124      
4 N -0.167      
5 H 0.116      
6 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.805 -3.233 0.000 3.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.044 -2.415 0.000
y -2.415 -22.178 0.000
z 0.000 0.000 -20.760
Traceless
 xyz
x -0.575 -2.415 0.000
y -2.415 -0.776 0.000
z 0.000 0.000 1.351
Polar
3z2-r22.702
x2-y20.134
xy-2.415
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.775 0.221 0.000
y 0.221 5.331 0.000
z 0.000 0.000 0.851


<r2> (average value of r2) Å2
<r2> 72.559
(<r2>)1/2 8.518