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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CCSD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at CCSD/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-148.413911
Energy at 298.15K 
HF Energy-147.930973
Nuclear repulsion energy58.826498
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/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 A1 3652 3519 67.32      
2 A1 2326 2240 117.98      
3 A1 1638 1578 39.37      
4 A1 1110 1069 16.91      
5 B1 504 485 0.01      
6 B1 497i 479i 245.89      
7 B2 3785 3647 88.83      
8 B2 1142 1100 0.82      
9 B2 387 373 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7022.7 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 6765.7 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/aug-cc-pVDZ
ABC
11.01919 0.33240 0.32267

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.222
N2 0.000 0.000 1.398
N3 0.000 0.000 -1.123
H4 0.000 0.871 -1.629
H5 0.000 -0.871 -1.629

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17531.34542.04652.0465
N21.17532.52083.15003.1500
N31.34542.52081.00761.0076
H42.04653.15001.00761.7424
H52.04653.15001.00761.7424

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.164 C1 N3 H5 120.164
N2 C1 N3 180.000 H4 N3 H5 119.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability