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

using model chemistry: MP3=FULL/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 MP3=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-186.385224
Energy at 298.15K 
HF Energy-185.774418
Nuclear repulsion energy91.728940
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 MP3=FULL/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' 3261 3261 3.74      
2 A' 3131 3131 10.67      
3 A' 2373 2373 27.09      
4 A' 1725 1725 16.90      
5 A' 1513 1513 13.20      
6 A' 1243 1243 9.17      
7 A' 947 947 4.22      
8 A' 637 637 2.84      
9 A' 255 255 6.18      
10 A" 1108 1108 19.73      
11 A" 783 783 0.49      
12 A" 368 368 8.66      

Unscaled Zero Point Vibrational Energy (zpe) 8672.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8672.1 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 MP3=FULL/daug-cc-pVDZ
ABC
2.04740 0.18033 0.16573

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.094 -1.547 0.000
N2 -0.644 -0.495 0.000
C3 0.000 0.712 0.000
N4 0.452 1.787 0.000
H5 -0.408 -2.517 0.000
H6 1.191 -1.518 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28522.26073.35321.09221.0974
N21.28521.36782.53152.03592.1010
C32.26071.36781.16633.25452.5278
N43.35322.53151.16634.38913.3866
H51.09222.03593.25454.38911.8854
H61.09742.10102.52783.38661.8854

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 116.857 N2 C1 H5 117.597
N2 C1 H6 123.531 N2 C3 N4 174.703
H5 C1 H6 118.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability