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

using model chemistry: B3LYP/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-186.946307
Energy at 298.15K 
HF Energy-186.946307
Nuclear repulsion energy92.628584
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/aug-cc-pVQZ
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' 3181 3082 4.22 85.04 0.58 0.74
2 A' 3063 2968 17.46 106.80 0.10 0.18
3 A' 2298 2226 37.49 237.68 0.23 0.37
4 A' 1699 1646 29.22 64.96 0.21 0.35
5 A' 1505 1458 15.26 26.73 0.37 0.54
6 A' 1228 1190 11.43 2.90 0.64 0.78
7 A' 956 926 6.41 2.03 0.09 0.17
8 A' 634 615 5.41 4.99 0.16 0.27
9 A' 255 247 6.05 8.76 0.45 0.62
10 A" 1100 1066 18.40 1.09 0.75 0.86
11 A" 778 754 1.70 1.76 0.75 0.86
12 A" 373 362 8.52 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8535.4 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 8270.0 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 B3LYP/aug-cc-pVQZ
ABC
2.30657 0.18010 0.16706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.092 -1.556 0.000
N2 -0.594 -0.486 0.000
C3 0.000 0.711 0.000
N4 0.409 1.792 0.000
H5 -0.439 -2.501 0.000
H6 1.181 -1.574 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27142.26973.36371.08411.0891
N21.27141.33672.48932.02132.0820
C32.26971.33671.15563.24272.5725
N43.36372.48931.15564.37663.4537
H51.08412.02133.24274.37661.8669
H61.08912.08202.57253.45371.8669

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 120.951 N2 C1 H5 117.992
N2 C1 H6 123.584 N2 C3 N4 174.332
H5 C1 H6 118.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.594      
2 N -0.457      
3 C 0.652      
4 N -0.574      
5 H 0.535      
6 H 0.439      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.432 -4.524 0.000 4.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.974 -2.668 0.000
y -2.668 -24.113 0.000
z 0.000 0.000 -22.973
Traceless
 xyz
x -0.431 -2.668 0.000
y -2.668 -0.640 0.000
z 0.000 0.000 1.071
Polar
3z2-r22.141
x2-y20.139
xy-2.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.648 0.340 0.000
y 0.340 9.034 0.000
z 0.000 0.000 3.698


<r2> (average value of r2) Å2
<r2> 70.519
(<r2>)1/2 8.398