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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2/LANL2DZ

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 MP2/LANL2DZ
Rotational Constants (cm-1) from geometry optimized at MP2/LANL2DZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-148.170416
Energy at 298.15K-148.172282
HF Energy-147.854103
Nuclear repulsion energy57.584145
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 MP2/LANL2DZ
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 3639 3504 77.14      
2 A1 2179 2099 86.01      
3 A1 1694 1631 73.57      
4 A1 1039 1000 16.15      
5 B1 446 430 1.91      
6 B1 236 228 504.22      
7 B2 3783 3643 79.18      
8 B2 1176 1132 6.89      
9 B2 396 382 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 7293.5 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 7024.3 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 MP2/LANL2DZ
ABC
10.95045 0.31732 0.30838

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.220
N2 0.000 0.000 1.434
N3 0.000 0.000 -1.148
H4 0.000 0.874 -1.659
H5 0.000 -0.874 -1.659

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21391.36822.07262.0726
N21.21392.58213.21433.2143
N31.36822.58211.01241.0124
H42.07263.21431.01241.7479
H52.07263.21431.01241.7479

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.323 C1 N3 H5 120.323
N2 C1 N3 180.000 H4 N3 H5 119.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability