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

using model chemistry: mPW1PW91/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at mPW1PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-186.874381
Energy at 298.15K 
HF Energy-186.874381
Nuclear repulsion energy92.833795
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 mPW1PW91/daug-cc-pVTZ
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' 3208 3208 3.46 80.59 0.59 0.74
2 A' 3089 3089 15.45 101.90 0.09 0.17
3 A' 2333 2333 39.89 230.90 0.23 0.37
4 A' 1726 1726 32.94 65.64 0.21 0.35
5 A' 1505 1505 15.73 22.38 0.38 0.55
6 A' 1229 1229 11.22 2.83 0.67 0.81
7 A' 973 973 6.00 2.08 0.08 0.14
8 A' 642 642 5.08 4.38 0.15 0.26
9 A' 254 254 6.14 8.51 0.45 0.62
10 A" 1109 1109 19.02 1.00 0.75 0.86
11 A" 786 786 1.67 1.85 0.75 0.86
12 A" 381 381 8.48 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8616.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8616.9 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 mPW1PW91/daug-cc-pVTZ
ABC
2.26771 0.18176 0.16827

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 -1.548 0.000
N2 -0.602 -0.483 0.000
C3 0.000 0.708 0.000
N4 0.420 1.783 0.000
H5 -0.440 -2.495 0.000
H6 1.178 -1.559 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26862.25723.34691.08461.0895
N21.26861.33452.48612.01782.0798
C32.25721.33451.15433.23252.5548
N43.34692.48611.15434.36323.4269
H51.08462.01783.23254.36321.8691
H61.08952.07982.55483.42691.8691

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 120.219 N2 C1 H5 117.848
N2 C1 H6 123.586 N2 C3 N4 174.553
H5 C1 H6 118.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.345      
2 N -0.483      
3 C 0.515      
4 N -1.055      
5 H 0.596      
6 H 0.772      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.421 -4.537 0.000 4.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.760 -2.670 0.000
y -2.670 -23.731 0.000
z 0.000 0.000 -22.811
Traceless
 xyz
x -0.489 -2.670 0.000
y -2.670 -0.446 0.000
z 0.000 0.000 0.935
Polar
3z2-r21.869
x2-y2-0.029
xy-2.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.575 0.355 0.000
y 0.355 8.828 0.000
z 0.000 0.000 3.633


<r2> (average value of r2) Å2
<r2> 69.954
(<r2>)1/2 8.364