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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-184.376169
Energy at 298.15K 
HF Energy-184.376169
Nuclear repulsion energy87.816668
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/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' 3379 3126 3.03 51.08 0.64 0.78
2 A' 3206 2966 11.92 42.90 0.12 0.21
3 A' 2133 1974 19.36 66.45 0.31 0.47
4 A' 1616 1495 5.57 9.04 0.29 0.45
5 A' 1454 1345 8.59 34.60 0.39 0.56
6 A' 1172 1085 1.23 5.33 0.75 0.86
7 A' 807 747 0.36 1.20 0.03 0.06
8 A' 584 540 1.90 2.06 0.37 0.54
9 A' 228 211 4.26 4.68 0.52 0.68
10 A" 972 900 20.17 0.04 0.75 0.86
11 A" 776 718 0.08 5.37 0.75 0.86
12 A" 298 276 4.97 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8312.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 7690.8 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/STO-3G
ABC
1.91202 0.16478 0.15171

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.189 -1.605 0.000
N2 -0.650 -0.557 0.000
C3 0.000 0.728 0.000
N4 0.341 1.904 0.000
H5 -0.279 -2.615 0.000
H6 1.305 -1.554 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.34262.34043.51211.11311.1165
N21.34261.43972.65282.09112.1940
C32.34041.43971.22453.35432.6281
N43.51212.65281.22454.56103.5892
H51.11312.09113.35434.56101.9062
H61.11652.19402.62813.58921.9062

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 114.483 N2 C1 H5 116.440
N2 C1 H6 126.052 N2 C3 N4 169.346
H5 C1 H6 117.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.012      
2 N -0.161      
3 C 0.116      
4 N -0.161      
5 H 0.112      
6 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.831 -3.146 0.000 3.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.728 -2.145 0.000
y -2.145 -22.108 0.000
z 0.000 0.000 -20.819
Traceless
 xyz
x -0.264 -2.145 0.000
y -2.145 -0.835 0.000
z 0.000 0.000 1.099
Polar
3z2-r22.198
x2-y20.381
xy-2.145
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.812 0.156 0.000
y 0.156 5.922 0.000
z 0.000 0.000 0.886


<r2> (average value of r2) Å2
<r2> 74.654
(<r2>)1/2 8.640