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

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-186.867604
Energy at 298.15K 
HF Energy-186.867604
Nuclear repulsion energy91.607555
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/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' 3096 3084 9.80 100.94 0.58 0.73
2 A' 2974 2963 24.31 111.14 0.16 0.28
3 A' 2192 2183 16.30 169.36 0.30 0.47
4 A' 1617 1611 18.17 42.92 0.25 0.40
5 A' 1461 1456 9.95 31.47 0.44 0.61
6 A' 1185 1180 9.39 3.42 0.75 0.86
7 A' 925 922 5.80 1.66 0.03 0.06
8 A' 604 602 3.82 3.87 0.29 0.45
9 A' 247 246 4.93 9.58 0.53 0.69
10 A" 1038 1034 20.16 0.29 0.75 0.86
11 A" 754 751 1.40 4.77 0.75 0.86
12 A" 356 354 6.99 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8224.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 8192.7 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 BLYP/6-311G**
ABC
2.30304 0.17565 0.16320

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.106 -1.577 0.000
N2 -0.589 -0.492 0.000
C3 0.000 0.715 0.000
N4 0.389 1.822 0.000
H5 -0.436 -2.527 0.000
H6 1.205 -1.603 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28852.29403.41031.09351.0993
N21.28851.34292.51192.04052.1102
C32.29401.34291.17323.27062.6120
N43.41032.51191.17324.42593.5204
H51.09352.04053.27064.42591.8829
H61.09932.11022.61203.52041.8829

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 121.318 N2 C1 H5 117.654
N2 C1 H6 124.005 N2 C3 N4 173.313
H5 C1 H6 118.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 N -0.195      
3 C 0.173      
4 N -0.216      
5 H 0.139      
6 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.470 -4.224 0.000 4.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.654 -2.395 0.000
y -2.395 -23.975 0.000
z 0.000 0.000 -22.760
Traceless
 xyz
x -0.287 -2.395 0.000
y -2.395 -0.768 0.000
z 0.000 0.000 1.055
Polar
3z2-r22.110
x2-y20.321
xy-2.395
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.750 0.303 0.000
y 0.303 8.745 0.000
z 0.000 0.000 2.434


<r2> (average value of r2) Å2
<r2> 71.713
(<r2>)1/2 8.468