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

using model chemistry: HF/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 HF/daug-cc-pVDZ
 hartrees
Energy at 0K-185.777676
Energy at 298.15K 
HF Energy-185.777676
Nuclear repulsion energy93.260639
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 HF/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' 3369 3072 4.58 72.11 0.59 0.74
2 A' 3249 2963 16.04 83.66 0.08 0.16
3 A' 2566 2340 106.09 197.55 0.19 0.32
4 A' 1865 1700 77.30 68.99 0.18 0.31
5 A' 1605 1463 33.28 21.63 0.36 0.53
6 A' 1326 1210 12.55 1.95 0.73 0.84
7 A' 1010 921 5.82 2.25 0.08 0.15
8 A' 710 648 6.57 2.71 0.10 0.17
9 A' 285 260 7.92 7.26 0.47 0.64
10 A" 1245 1135 15.50 1.85 0.75 0.86
11 A" 838 764 3.12 3.24 0.75 0.86
12 A" 433 395 12.02 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9250.0 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 8436.0 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 HF/daug-cc-pVDZ
ABC
2.11771 0.18596 0.17095

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.069 -1.525 0.000
N2 -0.636 -0.480 0.000
C3 0.000 0.713 0.000
N4 0.474 1.747 0.000
H5 -0.437 -2.481 0.000
H6 1.155 -1.518 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26042.23843.29721.08181.0861
N21.26041.35172.48892.01072.0700
C32.23841.35171.13843.22332.5115
N43.29722.48891.13844.32543.3352
H51.08182.01073.22334.32541.8609
H61.08612.07002.51153.33521.8609

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 117.908 N2 C1 H5 118.092
N2 C1 H6 123.639 N2 C3 N4 176.555
H5 C1 H6 118.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.906      
2 N 0.526      
3 C 0.153      
4 N -0.528      
5 H -0.527      
6 H -0.530      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.477 -4.972 0.000 4.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.398 -3.190 0.000
y -3.190 -23.612 0.000
z 0.000 0.000 -23.226
Traceless
 xyz
x -0.979 -3.190 0.000
y -3.190 0.199 0.000
z 0.000 0.000 0.779
Polar
3z2-r21.559
x2-y2-0.786
xy-3.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.382 0.261 0.000
y 0.261 8.016 0.000
z 0.000 0.000 3.529


<r2> (average value of r2) Å2
<r2> 69.233
(<r2>)1/2 8.321