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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2/CEP-121G

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/CEP-121G
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-121G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-26.237183
Energy at 298.15K-26.238693
HF Energy-25.915961
Nuclear repulsion energy30.747949
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/CEP-121G
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 3594 3508 59.87      
2 A1 2135 2084 80.95      
3 A1 1700 1659 66.35      
4 A1 1017 993 15.78      
5 B1 426 416 3.65      
6 B1 34 33 460.73      
7 B2 3745 3655 62.55      
8 B2 1183 1155 5.96      
9 B2 380 371 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 7107.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 6936.9 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 MP2/CEP-121G
ABC
10.96142 0.31583 0.30698

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

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 1.437
N3 0.000 0.000 -1.152
H4 0.000 0.873 -1.661
H5 0.000 -0.873 -1.661

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21541.37342.07482.0748
N21.21542.58873.21813.2181
N31.37342.58871.01071.0107
H42.07483.21811.01071.7470
H52.07483.21811.01071.7470

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.208 C1 N3 H5 120.208
N2 C1 N3 180.000 H4 N3 H5 119.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability