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

using model chemistry: B2PLYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-186.712861
Energy at 298.15K 
HF Energy-186.510750
Nuclear repulsion energy91.689124
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/daug-cc-pVDZ
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' 3233 3233 3.54 83.04 0.60 0.75
2 A' 3100 3100 15.64 107.36 0.09 0.16
3 A' 2227 2227 22.68 218.41 0.22 0.36
4 A' 1674 1674 21.02 51.87 0.19 0.31
5 A' 1496 1496 15.61 26.77 0.35 0.52
6 A' 1222 1222 9.51 2.75 0.67 0.80
7 A' 943 943 5.57 2.11 0.06 0.12
8 A' 622 622 3.29 4.34 0.14 0.24
9 A' 250 250 5.93 8.13 0.45 0.62
10 A" 1103 1103 19.31 0.75 0.75 0.86
11 A" 772 772 0.83 1.82 0.75 0.86
12 A" 361 361 7.73 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8501.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8501.1 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/daug-cc-pVDZ
ABC
2.15943 0.17832 0.16472

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.560 0.000
N2 -0.620 -0.493 0.000
C3 0.000 0.709 0.000
N4 0.426 1.804 0.000
H5 -0.423 -2.518 0.000
H6 1.193 -1.553 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28582.27053.37961.09071.0960
N21.28581.35162.52342.03522.1004
C32.27051.35161.17533.25452.5570
N43.37962.52341.17534.40483.4431
H51.09072.03523.25454.40481.8830
H61.09602.10042.55703.44311.8830

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 118.810 N2 C1 H5 117.590
N2 C1 H6 123.533 N2 C3 N4 173.980
H5 C1 H6 118.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.802      
2 N 0.656      
3 C 0.306      
4 N -0.386      
5 H -0.699      
6 H -0.679      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.481 -4.484 0.000 4.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.323 -2.765 -0.001
y -2.765 -24.128 -0.000
z -0.001 -0.000 -23.267
Traceless
 xyz
x -0.625 -2.765 -0.001
y -2.765 -0.333 -0.000
z -0.001 -0.000 0.958
Polar
3z2-r21.915
x2-y2-0.195
xy-2.765
xz-0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.720 0.341 0.000
y 0.341 8.937 -0.000
z 0.000 -0.000 3.741


<r2> (average value of r2) Å2
<r2> 71.390
(<r2>)1/2 8.449