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

using model chemistry: PBE1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-186.710107
Energy at 298.15K 
HF Energy-186.710107
Nuclear repulsion energy92.793375
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 PBE1PBE/Def2TZVPP
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' 3206 3206 3.91 81.39 0.59 0.74
2 A' 3085 3085 15.19 98.73 0.12 0.21
3 A' 2335 2335 36.60 202.55 0.27 0.42
4 A' 1729 1729 33.49 59.64 0.22 0.37
5 A' 1501 1501 14.56 22.43 0.41 0.58
6 A' 1228 1228 10.95 3.43 0.74 0.85
7 A' 977 977 5.86 1.59 0.05 0.09
8 A' 642 642 5.07 3.45 0.20 0.33
9 A' 254 254 5.91 9.14 0.50 0.67
10 A" 1105 1105 18.60 0.50 0.75 0.86
11 A" 786 786 1.76 3.41 0.75 0.86
12 A" 382 382 8.54 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8614.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8614.8 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 PBE1PBE/Def2TZVPP
ABC
2.25922 0.18174 0.16821

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 -1.548 0.000
N2 -0.604 -0.483 0.000
C3 0.000 0.707 0.000
N4 0.425 1.782 0.000
H5 -0.444 -2.496 0.000
H6 1.178 -1.560 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26912.25673.34701.08631.0912
N21.26911.33422.48722.01972.0816
C32.25671.33421.15563.23392.5549
N43.34702.48721.15564.36533.4259
H51.08632.01973.23394.36531.8720
H61.09122.08162.55493.42591.8720

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 120.174 N2 C1 H5 117.857
N2 C1 H6 123.577 N2 C3 N4 174.663
H5 C1 H6 118.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 N -0.189      
3 C -0.019      
4 N -0.038      
5 H 0.120      
6 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.413 -4.509 0.000 4.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.720 -2.631 0.000
y -2.631 -23.708 0.000
z 0.000 0.000 -22.791
Traceless
 xyz
x -0.471 -2.631 0.000
y -2.631 -0.452 0.000
z 0.000 0.000 0.922
Polar
3z2-r21.845
x2-y2-0.013
xy-2.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.154 0.380 0.000
y 0.380 8.592 0.000
z 0.000 0.000 3.114


<r2> (average value of r2) Å2
<r2> 69.960
(<r2>)1/2 8.364