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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-32.186356
Energy at 298.15K 
HF Energy-32.186356
Nuclear repulsion energy46.067829
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/CEP-121G
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' 3197 3116 12.82 103.96 0.57 0.72
2 A' 3048 2971 25.41 111.79 0.17 0.29
3 A' 2169 2114 33.81 217.83 0.27 0.42
4 A' 1645 1603 20.54 37.35 0.19 0.32
5 A' 1513 1474 15.21 42.92 0.43 0.60
6 A' 1213 1182 4.06 5.55 0.74 0.85
7 A' 890 867 5.03 2.90 0.03 0.05
8 A' 578 563 2.29 4.47 0.40 0.57
9 A' 242 236 7.43 11.47 0.54 0.71
10 A" 1114 1086 31.70 0.16 0.75 0.86
11 A" 768 749 0.07 7.54 0.75 0.86
12 A" 348 339 6.06 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8362.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8149.5 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 B3LYP/CEP-121G
ABC
2.39393 0.16849 0.15741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.125 -1.612 0.000
N2 -0.570 -0.511 0.000
C3 0.000 0.729 0.000
N4 0.349 1.867 0.000
H5 -0.426 -2.550 0.000
H6 1.220 -1.648 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.30182.34373.48611.08841.0957
N21.30181.36402.54922.04472.1204
C32.34371.36401.19093.30652.6713
N43.48612.54921.19094.48503.6211
H51.08842.04473.30654.48501.8773
H61.09572.12042.67133.62111.8773

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 123.068 N2 C1 H5 117.345
N2 C1 H6 124.130 N2 C3 N4 172.374
H5 C1 H6 118.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.260      
2 N 0.205      
3 C -0.508      
4 N 0.214      
5 H 0.187      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.884 -4.488 0.000 4.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.162 -2.760 0.000
y -2.760 -24.295 0.000
z 0.000 0.000 -22.983
Traceless
 xyz
x -0.523 -2.760 0.000
y -2.760 -0.723 0.000
z 0.000 0.000 1.246
Polar
3z2-r22.492
x2-y20.133
xy-2.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.660 0.154 0.000
y 0.154 9.106 0.000
z 0.000 0.000 2.405


<r2> (average value of r2) Å2
<r2> 59.307
(<r2>)1/2 7.701