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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-185.820453
Energy at 298.15K 
HF Energy-185.820453
Nuclear repulsion energy93.769801
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 HF/daug-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' 3349 3030 4.97 70.82 0.58 0.73
2 A' 3237 2928 16.85 82.52 0.09 0.16
3 A' 2564 2319 108.58 195.89 0.19 0.32
4 A' 1867 1689 79.44 67.03 0.18 0.31
5 A' 1617 1462 35.22 22.88 0.35 0.52
6 A' 1337 1209 13.30 1.90 0.72 0.84
7 A' 1010 914 6.62 2.22 0.09 0.17
8 A' 715 647 7.36 2.64 0.10 0.18
9 A' 287 259 7.90 7.16 0.47 0.64
10 A" 1253 1133 15.00 1.93 0.75 0.86
11 A" 846 765 3.50 3.15 0.75 0.86
12 A" 442 400 12.38 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9261.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 8378.2 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 HF/daug-cc-pVTZ
ABC
2.16749 0.18735 0.17244

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.068 -1.520 0.000
N2 -0.627 -0.478 0.000
C3 0.000 0.712 0.000
N4 0.467 1.740 0.000
H5 -0.437 -2.470 0.000
H6 1.148 -1.518 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.25302.23373.28501.07531.0797
N21.25301.34592.47402.00042.0575
C32.23371.34591.12913.21182.5085
N43.28502.47401.12914.30593.3288
H51.07532.00043.21184.30591.8486
H61.07972.05752.50853.32881.8486

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 118.480 N2 C1 H5 118.240
N2 C1 H6 123.610 N2 C3 N4 176.649
H5 C1 H6 118.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.954      
2 N -0.427      
3 C 0.282      
4 N -0.981      
5 H 1.018      
6 H 1.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.469 -4.949 0.000 4.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.262 -3.162 0.000
y -3.162 -23.585 0.000
z 0.000 0.000 -23.045
Traceless
 xyz
x -0.947 -3.162 0.000
y -3.162 0.069 0.000
z 0.000 0.000 0.879
Polar
3z2-r21.757
x2-y2-0.677
xy-3.162
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.332 0.252 0.000
y 0.252 7.912 0.000
z 0.000 0.000 3.492


<r2> (average value of r2) Å2
<r2> 68.699
(<r2>)1/2 8.288