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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-186.816197
Energy at 298.15K 
HF Energy-186.816197
Nuclear repulsion energy90.701739
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 B3LYP/SDD
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' 3238 3113 9.72 87.51 0.53 0.69
2 A' 3097 2977 28.01 96.88 0.16 0.28
3 A' 2217 2131 40.13 216.96 0.28 0.43
4 A' 1684 1619 21.52 47.47 0.23 0.37
5 A' 1530 1471 11.75 32.17 0.48 0.65
6 A' 1214 1167 3.72 6.45 0.74 0.85
7 A' 918 883 5.85 3.40 0.06 0.11
8 A' 587 564 4.04 4.30 0.48 0.65
9 A' 245 236 8.36 10.66 0.54 0.70
10 A" 1129 1085 44.79 1.66 0.75 0.86
11 A" 772 742 0.07 7.18 0.75 0.86
12 A" 361 347 5.90 0.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8495.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8166.9 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 B3LYP/SDD
ABC
2.55556 0.16814 0.15776

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -1.616 0.000
N2 -0.544 -0.506 0.000
C3 0.000 0.729 0.000
N4 0.331 1.870 0.000
H5 -0.446 -2.546 0.000
H6 1.214 -1.679 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29442.34793.49271.08881.0953
N21.29441.34902.53212.04272.1142
C32.34791.34901.18863.30492.6966
N43.49272.53211.18864.48403.6575
H51.08882.04273.30494.48401.8726
H61.09532.11422.69663.65751.8726

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 125.283 N2 C1 H5 117.739
N2 C1 H6 124.217 N2 C3 N4 172.386
H5 C1 H6 118.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 N 0.039      
3 C -0.118      
4 N -0.031      
5 H 0.234      
6 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.921 -4.531 0.000 4.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.838 -2.673 0.000
y -2.673 -24.191 0.000
z 0.000 0.000 -22.918
Traceless
 xyz
x -0.283 -2.673 0.000
y -2.673 -0.813 0.000
z 0.000 0.000 1.096
Polar
3z2-r22.192
x2-y20.353
xy-2.673
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.275 0.240 0.000
y 0.240 8.842 0.000
z 0.000 0.000 2.108


<r2> (average value of r2) Å2
<r2> 73.805
(<r2>)1/2 8.591