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

using model chemistry: HSEh1PBE/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 HSEh1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-186.681121
Energy at 298.15K 
HF Energy-186.681121
Nuclear repulsion energy92.285141
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 HSEh1PBE/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' 3222 3222 3.63 83.63 0.60 0.75
2 A' 3091 3091 15.34 106.27 0.09 0.16
3 A' 2329 2329 37.57 236.59 0.22 0.37
4 A' 1722 1722 30.38 67.71 0.21 0.34
5 A' 1491 1491 14.47 21.08 0.40 0.57
6 A' 1218 1218 10.79 2.78 0.68 0.81
7 A' 974 974 5.47 2.22 0.05 0.10
8 A' 637 637 4.29 4.64 0.15 0.26
9 A' 253 253 6.02 8.57 0.45 0.62
10 A" 1107 1107 19.78 0.86 0.75 0.86
11 A" 780 780 1.40 1.89 0.75 0.86
12 A" 374 374 7.91 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8598.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8598.4 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 HSEh1PBE/daug-cc-pVDZ
ABC
2.22019 0.18013 0.16661

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.092 -1.554 0.000
N2 -0.609 -0.486 0.000
C3 0.000 0.707 0.000
N4 0.423 1.793 0.000
H5 -0.438 -2.509 0.000
H6 1.189 -1.560 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27692.26283.36271.09201.0970
N21.27691.33972.50152.03002.0936
C32.26281.33971.16503.24582.5596
N43.36272.50151.16504.38683.4385
H51.09202.03003.24584.38681.8831
H61.09702.09362.55963.43851.8831

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 119.701 N2 C1 H5 117.735
N2 C1 H6 123.576 N2 C3 N4 174.268
H5 C1 H6 118.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.554      
2 N 0.574      
3 C 0.639      
4 N -0.539      
5 H -0.636      
6 H -0.593      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.437 -4.534 0.000 4.555
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.923 -2.674 0.000
y -2.674 -23.786 0.000
z 0.000 0.000 -22.991
Traceless
 xyz
x -0.534 -2.674 0.000
y -2.674 -0.329 0.000
z 0.000 0.000 0.863
Polar
3z2-r21.727
x2-y2-0.136
xy-2.674
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.656 0.364 0.000
y 0.364 8.992 0.000
z 0.000 0.000 3.687


<r2> (average value of r2) Å2
<r2> 70.584
(<r2>)1/2 8.401