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

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-186.790085
Energy at 298.15K 
HF Energy-186.559502
Nuclear repulsion energy92.375994
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 B2PLYP/Def2TZVPP
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' 3222 3222 4.10 81.67 0.58 0.73
2 A' 3099 3099 16.00 100.24 0.12 0.21
3 A' 2244 2244 22.76 185.87 0.26 0.42
4 A' 1685 1685 23.48 44.01 0.21 0.34
5 A' 1510 1510 15.99 28.43 0.37 0.54
6 A' 1235 1235 9.92 3.41 0.74 0.85
7 A' 949 949 6.07 1.50 0.06 0.11
8 A' 631 631 4.14 3.18 0.19 0.32
9 A' 253 253 5.83 8.77 0.51 0.67
10 A" 1103 1103 18.17 0.43 0.75 0.86
11 A" 780 780 1.20 3.27 0.75 0.86
12 A" 372 372 8.44 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8541.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8541.3 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 B2PLYP/Def2TZVPP
ABC
2.21040 0.18052 0.16689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.552 0.000
N2 -0.613 -0.487 0.000
C3 0.000 0.708 0.000
N4 0.429 1.789 0.000
H5 -0.432 -2.501 0.000
H6 1.177 -1.554 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27592.26173.35841.08261.0877
N21.27591.34272.50312.02192.0842
C32.26171.34271.16333.23752.5503
N43.35842.50311.16334.37543.4262
H51.08262.02193.23754.37541.8669
H61.08772.08422.55033.42621.8669

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 119.453 N2 C1 H5 117.795
N2 C1 H6 123.523 N2 C3 N4 174.505
H5 C1 H6 118.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 N -0.210      
3 C 0.034      
4 N -0.071      
5 H 0.128      
6 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.448 -4.451 0.000 4.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.041 -2.715 -0.001
y -2.715 -23.981 0.001
z -0.001 0.001 -22.975
Traceless
 xyz
x -0.562 -2.715 -0.001
y -2.715 -0.473 0.001
z -0.001 0.001 1.036
Polar
3z2-r22.071
x2-y2-0.060
xy-2.715
xz-0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.178 0.356 0.000
y 0.356 8.497 -0.001
z 0.000 -0.001 3.131


<r2> (average value of r2) Å2
<r2> 70.515
(<r2>)1/2 8.397