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

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-186.855460
Energy at 298.15K 
HF Energy-186.855460
Nuclear repulsion energy92.938045
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/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' 3215 3215 4.70 82.92 0.59 0.74
2 A' 3094 3094 16.00 100.30 0.11 0.21
3 A' 2342 2342 37.85 198.48 0.27 0.42
4 A' 1733 1733 34.94 58.10 0.22 0.36
5 A' 1506 1506 13.90 22.68 0.41 0.58
6 A' 1231 1231 11.25 3.42 0.74 0.85
7 A' 975 975 5.90 1.55 0.05 0.09
8 A' 639 639 5.18 3.30 0.20 0.33
9 A' 253 253 5.89 9.04 0.51 0.67
10 A" 1107 1107 17.90 0.45 0.75 0.86
11 A" 787 787 1.74 3.54 0.75 0.86
12 A" 382 382 8.78 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8631.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8631.7 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/Def2TZVPP
ABC
2.26968 0.18219 0.16865

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 -1.546 0.000
N2 -0.602 -0.483 0.000
C3 0.000 0.707 0.000
N4 0.424 1.780 0.000
H5 -0.442 -2.491 0.000
H6 1.174 -1.558 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26682.25473.34271.08311.0878
N21.26681.33362.48402.01532.0764
C32.25471.33361.15313.22902.5513
N43.34272.48401.15314.35803.4209
H51.08312.01533.22904.35801.8661
H61.08782.07642.55133.42091.8661

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 120.223 N2 C1 H5 117.888
N2 C1 H6 123.561 N2 C3 N4 174.703
H5 C1 H6 118.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.022      
2 N -0.229      
3 C 0.054      
4 N -0.082      
5 H 0.124      
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
  0.415 -4.470 0.000 4.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.654 -2.629 0.000
y -2.629 -23.681 0.000
z 0.000 0.000 -22.692
Traceless
 xyz
x -0.467 -2.629 0.000
y -2.629 -0.508 0.000
z 0.000 0.000 0.975
Polar
3z2-r21.950
x2-y20.028
xy-2.629
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.132 0.383 0.000
y 0.383 8.535 0.000
z 0.000 0.000 3.091


<r2> (average value of r2) Å2
<r2> 69.769
(<r2>)1/2 8.353