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

using model chemistry: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-186.889739
Energy at 298.15K 
HF Energy-186.889739
Nuclear repulsion energy91.774692
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/aug-cc-pVTZ
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' 3100 3090 5.64 96.55 0.57 0.73
2 A' 2982 2972 21.92 122.50 0.11 0.20
3 A' 2184 2176 22.67 236.01 0.24 0.39
4 A' 1619 1613 17.17 59.17 0.22 0.35
5 A' 1462 1457 11.19 32.46 0.36 0.53
6 A' 1187 1183 10.64 2.80 0.64 0.78
7 A' 924 920 6.14 2.58 0.01 0.02
8 A' 605 603 4.42 6.22 0.18 0.30
9 A' 247 246 5.34 9.45 0.45 0.62
10 A" 1045 1041 19.42 0.98 0.75 0.86
11 A" 753 751 1.28 1.46 0.75 0.86
12 A" 350 349 7.01 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8228.7 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 8200.8 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/aug-cc-pVTZ
ABC
2.34879 0.17573 0.16350

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.109 -1.577 0.000
N2 -0.581 -0.494 0.000
C3 0.000 0.714 0.000
N4 0.377 1.822 0.000
H5 -0.431 -2.525 0.000
H6 1.205 -1.600 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28502.29433.41041.09061.0962
N21.28501.34062.50662.03662.1014
C32.29431.34061.17063.26762.6094
N43.41042.50661.17064.42173.5212
H51.09062.03663.26764.42171.8796
H61.09622.10142.60943.52121.8796

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 121.794 N2 C1 H5 117.791
N2 C1 H6 123.692 N2 C3 N4 173.102
H5 C1 H6 118.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.444      
2 N -0.030      
3 C 0.059      
4 N -0.341      
5 H 0.373      
6 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.444 -4.400 0.000 4.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.058 -2.506 0.000
y -2.506 -24.504 0.000
z 0.000 0.000 -23.134
Traceless
 xyz
x -0.239 -2.506 0.000
y -2.506 -0.908 0.000
z 0.000 0.000 1.147
Polar
3z2-r22.294
x2-y20.446
xy-2.506
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.835 0.336 0.000
y 0.336 9.691 0.000
z 0.000 0.000 3.821


<r2> (average value of r2) Å2
<r2> 71.878
(<r2>)1/2 8.478