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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CCSD(T)=FULL/TZVP

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(T)=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-148.519689
Energy at 298.15K 
HF Energy-147.959457
Nuclear repulsion energy59.235696
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(T)=FULL/TZVP
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 3654 3493        
2 A1 2315 2213        
3 A1 1634 1563        
4 A1 1110 1061        
5 B1 491 470        
6 B1 539i 515i        
7 B2 3779 3613        
8 B2 1136 1086        
9 B2 393 376        

Unscaled Zero Point Vibrational Energy (zpe) 6986.4 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 6679.0 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 CCSD(T)=FULL/TZVP
ABC
11.12145 0.33731 0.32738

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.221
N2 0.000 0.000 1.388
N3 0.000 0.000 -1.114
H4 0.000 0.867 -1.619
H5 0.000 -0.867 -1.619

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16681.33532.03372.0337
N21.16682.50213.12903.1290
N31.33532.50211.00321.0032
H42.03373.12901.00321.7344
H52.03373.12901.00321.7344

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.181 C1 N3 H5 120.181
N2 C1 N3 180.000 H4 N3 H5 119.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability