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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-186.361081
Energy at 298.15K 
HF Energy-185.762617
Nuclear repulsion energy91.461639
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 CCSD=FULL/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' 3248 3248 6.07      
2 A' 3125 3125 11.55      
3 A' 2314 2314 14.38      
4 A' 1712 1712 22.05      
5 A' 1500 1500 11.09      
6 A' 1236 1236 8.73      
7 A' 939 939 4.39      
8 A' 624 624 2.70      
9 A' 252 252 5.27      
10 A" 1091 1091 16.96      
11 A" 777 777 0.65      
12 A" 364 364 8.30      

Unscaled Zero Point Vibrational Energy (zpe) 8590.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8590.1 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 CCSD=FULL/cc-pVDZ
ABC
1.99698 0.18011 0.16521

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.545 0.000
N2 -0.656 -0.493 0.000
C3 0.000 0.711 0.000
N4 0.471 1.786 0.000
H5 -0.414 -2.522 0.000
H6 1.188 -1.522 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28792.25853.35331.09711.1021
N21.28791.37142.54222.04272.1117
C32.25851.37141.17313.25932.5296
N43.35332.54221.17314.39733.3843
H51.09712.04273.25934.39731.8891
H61.10212.11172.52963.38431.8891

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 116.230 N2 C1 H5 117.632
N2 C1 H6 123.968 N2 C3 N4 175.107
H5 C1 H6 118.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability