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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-186.752603
Energy at 298.15K 
HF Energy-186.752603
Nuclear repulsion energy90.346040
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/6-31G
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' 3152 3128 14.00 108.30 0.54 0.70
2 A' 3015 2992 23.17 114.72 0.17 0.28
3 A' 2131 2115 17.09 148.58 0.33 0.49
4 A' 1620 1608 18.41 21.22 0.25 0.40
5 A' 1499 1488 8.16 36.65 0.44 0.61
6 A' 1189 1180 5.22 6.17 0.74 0.85
7 A' 896 889 4.31 3.84 0.09 0.17
8 A' 542 538 2.43 5.40 0.46 0.63
9 A' 237 235 6.21 9.14 0.53 0.69
10 A" 1048 1040 27.51 0.03 0.75 0.86
11 A" 744 738 0.15 8.77 0.75 0.86
12 A" 317 315 5.56 1.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8194.8 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8132.5 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/6-31G
ABC
2.58490 0.16653 0.15645

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.144 -1.623 0.000
N2 -0.534 -0.513 0.000
C3 0.000 0.727 0.000
N4 0.293 1.886 0.000
H5 -0.417 -2.561 0.000
H6 1.243 -1.679 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.30102.35453.51241.09291.1002
N21.30101.35032.53782.05132.1256
C32.35451.35031.19563.31432.7080
N43.51242.53781.19564.50343.6895
H51.09292.05133.31434.50341.8797
H61.10022.12562.70803.68951.8797

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 125.247 N2 C1 H5 117.670
N2 C1 H6 124.346 N2 C3 N4 170.859
H5 C1 H6 117.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 N -0.247      
3 C 0.184      
4 N -0.196      
5 H 0.166      
6 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.804 -4.209 0.000 4.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.512 -2.345 0.000
y -2.345 -24.191 0.000
z 0.000 0.000 -22.518
Traceless
 xyz
x -0.157 -2.345 0.000
y -2.345 -1.176 0.000
z 0.000 0.000 1.334
Polar
3z2-r22.667
x2-y20.679
xy-2.345
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.306 0.137 0.000
y 0.137 8.983 0.000
z 0.000 0.000 1.872


<r2> (average value of r2) Å2
<r2> 74.164
(<r2>)1/2 8.612