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

using model chemistry: B1B95/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 B1B95/daug-cc-pVDZ
 hartrees
Energy at 0K-186.810569
Energy at 298.15K 
HF Energy-186.810569
Nuclear repulsion energy92.417746
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 B1B95/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' 3140 3140 11.95 305.28 0.41 0.59
2 A' 2421 2421 28.17 1833.44 0.61 0.76
3 A' 1761 1761 15.55 6886.97 0.36 0.53
4 A' 1607 1607 27.79 7190.92 0.30 0.46
5 A' 1090 1090 7.88 1585.72 0.30 0.46
6 A' 844 844 15.31 484.06 0.34 0.51
7 A' 623 623 1.91 784.27 0.27 0.42
8 A' 6003i 6003i 400.91 23.22 0.33 0.49
9 A' 48082i 48082i 1417.59 0.00 0.36 0.53
10 A" 885 885 2.71 2.46 0.75 0.86
11 A" 420 420 12.83 0.17 0.75 0.86
12 A"     14.20 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) -20647.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) -20647.5 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 B1B95/daug-cc-pVDZ
ABC
2.21802 0.18075 0.16713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.551 0.000
N2 -0.610 -0.486 0.000
C3 0.000 0.707 0.000
N4 0.425 1.789 0.000
H5 -0.436 -2.504 0.000
H6 1.185 -1.554 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27472.25923.35641.08951.0943
N21.27471.33982.49942.02582.0892
C32.25921.33981.16273.24052.5531
N43.35642.49941.16274.37883.4290
H51.08952.02583.24054.37881.8788
H61.09432.08922.55313.42901.8788

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 119.548 N2 C1 H5 117.720
N2 C1 H6 123.570 N2 C3 N4 174.343
H5 C1 H6 118.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.695      
2 N 0.665      
3 C 0.473      
4 N -0.449      
5 H -0.706      
6 H -0.678      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.437 -4.497 0.000 4.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.861 -2.675 0.000
y -2.675 -23.746 0.000
z 0.000 0.000 -22.897
Traceless
 xyz
x -0.540 -2.675 0.000
y -2.675 -0.366 0.000
z 0.000 0.000 0.906
Polar
3z2-r21.812
x2-y2-0.116
xy-2.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.620 0.366 0.000
y 0.366 8.892 0.000
z 0.000 0.000 3.653


<r2> (average value of r2) Å2
<r2> 70.363
(<r2>)1/2 8.388