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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-185.759854
Energy at 298.15K 
HF Energy-185.759854
Nuclear repulsion energy93.363287
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/6-31+G**
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' 3391 3067 5.44 79.65 0.60 0.75
2 A' 3271 2958 14.81 77.26 0.15 0.26
3 A' 2579 2332 109.52 190.69 0.24 0.39
4 A' 1885 1705 80.06 71.89 0.19 0.31
5 A' 1625 1469 28.04 26.98 0.40 0.57
6 A' 1340 1212 11.34 3.18 0.75 0.86
7 A' 1018 920 6.90 1.76 0.11 0.19
8 A' 699 632 5.33 2.38 0.27 0.43
9 A' 280 253 8.21 9.82 0.59 0.74
10 A" 1250 1130 16.96 1.30 0.75 0.86
11 A" 842 761 3.25 9.19 0.75 0.86
12 A" 429 388 12.69 1.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9304.4 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 8413.0 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/6-31+G**
ABC
2.14494 0.18586 0.17104

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.070 -1.526 0.000
N2 -0.631 -0.481 0.000
C3 0.000 0.712 0.000
N4 0.470 1.749 0.000
H5 -0.437 -2.475 0.000
H6 1.151 -1.523 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.25852.23943.29901.07631.0810
N21.25851.34982.48642.00412.0645
C32.23941.34981.13783.21762.5144
N43.29902.48641.13784.32043.3422
H51.07632.00413.21764.32041.8516
H61.08102.06452.51443.34221.8516

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 118.273 N2 C1 H5 118.055
N2 C1 H6 123.706 N2 C3 N4 176.490
H5 C1 H6 118.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.039      
2 N -0.307      
3 C 0.321      
4 N -0.383      
5 H 0.169      
6 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.637 -4.974 0.000 5.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.609 -3.297 0.000
y -3.297 -23.779 0.000
z 0.000 0.000 -23.188
Traceless
 xyz
x -1.126 -3.297 0.000
y -3.297 0.120 0.000
z 0.000 0.000 1.006
Polar
3z2-r22.013
x2-y2-0.830
xy-3.297
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.883 0.333 0.000
y 0.333 7.873 0.000
z 0.000 0.000 2.749


<r2> (average value of r2) Å2
<r2> 69.267
(<r2>)1/2 8.323