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

using model chemistry: B97D3/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-186.769911
Energy at 298.15K 
HF Energy-186.769911
Nuclear repulsion energy91.557043
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 B97D3/daug-cc-pVDZ
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' 3144 3144 8.04 95.47 0.60 0.75
2 A' 3011 3011 23.96 119.78 0.10 0.18
3 A' 2208 2208 21.82 237.30 0.23 0.38
4 A' 1635 1635 18.63 64.23 0.21 0.35
5 A' 1462 1462 10.36 27.46 0.38 0.55
6 A' 1188 1188 9.95 2.65 0.68 0.81
7 A' 938 938 5.50 2.99 0.01 0.01
8 A' 611 611 3.32 6.01 0.17 0.29
9 A' 245 245 5.34 9.05 0.44 0.61
10 A" 1057 1057 19.76 0.87 0.75 0.86
11 A" 754 754 1.00 1.50 0.75 0.86
12 A" 348 348 6.42 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8300.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8300.2 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 B97D3/daug-cc-pVDZ
ABC
2.26187 0.17623 0.16349

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.108 -1.572 0.000
N2 -0.597 -0.493 0.000
C3 0.000 0.709 0.000
N4 0.392 1.821 0.000
H5 -0.427 -2.528 0.000
H6 1.210 -1.583 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28892.28443.40491.09561.1011
N21.28891.34262.51622.04202.1092
C32.28441.34261.17833.26582.5918
N43.40492.51621.17834.42543.5003
H51.09562.04203.26584.42541.8899
H61.10112.10922.59183.50031.8899

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 120.463 N2 C1 H5 117.594
N2 C1 H6 123.700 N2 C3 N4 173.040
H5 C1 H6 118.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.584      
2 N 0.706      
3 C 0.505      
4 N -0.428      
5 H -0.701      
6 H -0.665      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.446 -4.416 0.000 4.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.870 -2.524 0.000
y -2.524 -24.053 0.000
z 0.000 0.000 -22.961
Traceless
 xyz
x -0.363 -2.524 0.000
y -2.524 -0.637 0.000
z 0.000 0.000 1.000
Polar
3z2-r22.000
x2-y20.183
xy-2.524
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.846 0.360 0.000
y 0.360 9.646 0.000
z 0.000 0.000 3.823


<r2> (average value of r2) Å2
<r2> 71.698
(<r2>)1/2 8.467