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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CISD/6-31G

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 CISD/6-31G
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-148.129418
Energy at 298.15K-148.131423
HF Energy-147.840304
Nuclear repulsion energy58.813803
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 CISD/6-31G
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 3712 3481 68.54      
2 A1 2359 2212 106.17      
3 A1 1754 1645 73.70      
4 A1 1126 1056 10.00      
5 B1 421 395 92.68      
6 B1 371 348 443.01      
7 B2 3837 3598 75.11      
8 B2 1235 1158 6.52      
9 B2 372 349 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 7593.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 7120.9 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 CISD/6-31G
ABC
11.22706 0.33165 0.32213

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

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 1.400
N3 0.000 0.000 -1.123
H4 0.000 0.863 -1.634
H5 0.000 -0.863 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17731.34562.04772.0477
N21.17732.52303.15453.1545
N31.34562.52301.00311.0031
H42.04773.15451.00311.7262
H52.04773.15451.00311.7262

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.639 C1 N3 H5 120.639
N2 C1 N3 180.000 H4 N3 H5 118.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability