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

using model chemistry: CCSD=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 CCSD=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-186.395039
Energy at 298.15K 
HF Energy-185.773000
Nuclear repulsion energy91.432018
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/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' 3237 3237 4.15      
2 A' 3109 3109 13.60      
3 A' 2294 2294 21.59      
4 A' 1698 1698 21.53      
5 A' 1500 1500 15.17      
6 A' 1232 1232 8.58      
7 A' 931 931 4.80      
8 A' 628 628 2.66      
9 A' 252 252 6.28      
10 A" 1100 1100 18.23      
11 A" 771 771 0.52      
12 A" 362 362 8.79      

Unscaled Zero Point Vibrational Energy (zpe) 8557.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8557.1 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/daug-cc-pVDZ
ABC
2.03073 0.17925 0.16471

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.551 0.000
N2 -0.648 -0.495 0.000
C3 0.000 0.713 0.000
N4 0.459 1.792 0.000
H5 -0.413 -2.522 0.000
H6 1.190 -1.525 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28892.26563.36361.09371.0990
N21.28891.37042.54102.04032.1066
C32.26561.37041.17323.26072.5344
N43.36362.54101.17324.40133.3970
H51.09372.04033.26074.40131.8874
H61.09902.10662.53443.39701.8874

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 116.816 N2 C1 H5 117.576
N2 C1 H6 123.623 N2 C3 N4 174.826
H5 C1 H6 118.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability