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

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-186.664175
Energy at 298.15K 
HF Energy-186.664175
Nuclear repulsion energy92.260591
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 PBE1PBE/aug-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' 3226 3102 3.18 82.19 0.59 0.75
2 A' 3095 2976 14.42 103.11 0.09 0.17
3 A' 2332 2242 38.08 231.37 0.24 0.39
4 A' 1724 1658 30.79 67.50 0.21 0.35
5 A' 1489 1432 14.60 20.18 0.40 0.57
6 A' 1216 1170 10.79 2.72 0.70 0.82
7 A' 975 938 5.32 2.19 0.05 0.10
8 A' 636 611 4.19 4.36 0.15 0.26
9 A' 253 243 6.05 8.79 0.47 0.64
10 A" 1101 1058 20.16 0.96 0.75 0.86
11 A" 778 748 1.46 2.02 0.75 0.86
12 A" 373 359 7.90 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8598.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8268.3 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 PBE1PBE/aug-cc-pVDZ
ABC
2.20865 0.18022 0.16662

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.553 0.000
N2 -0.611 -0.486 0.000
C3 0.000 0.707 0.000
N4 0.427 1.792 0.000
H5 -0.439 -2.509 0.000
H6 1.189 -1.558 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27712.26203.36151.09311.0980
N21.27711.34052.50282.03042.0946
C32.26201.34051.16533.24612.5579
N43.36152.50281.16534.38703.4350
H51.09312.03043.24614.38701.8855
H61.09802.09462.55793.43501.8855

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 119.553 N2 C1 H5 117.669
N2 C1 H6 123.575 N2 C3 N4 174.349
H5 C1 H6 118.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.776      
2 N -0.219      
3 C 0.097      
4 N -0.302      
5 H -0.210      
6 H -0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.433 -4.536 0.000 4.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.928 -2.684 0.000
y -2.684 -23.795 0.000
z 0.000 0.000 -22.991
Traceless
 xyz
x -0.535 -2.684 0.000
y -2.684 -0.336 0.000
z 0.000 0.000 0.871
Polar
3z2-r21.741
x2-y2-0.132
xy-2.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.580 0.385 0.000
y 0.385 8.951 0.000
z 0.000 0.000 3.601


<r2> (average value of r2) Å2
<r2> 70.582
(<r2>)1/2 8.401