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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-147.397382
Energy at 298.15K-147.399157
HF Energy-147.078730
Nuclear repulsion energy58.445690
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=FULL/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3605 3418 70.75      
2 A1 2227 2112 53.32      
3 A1 1730 1640 67.83      
4 A1 1061 1006 14.24      
5 B1 473 448 4.66      
6 B1 125 118 460.59      
7 B2 3725 3532 75.00      
8 B2 1205 1142 6.29      
9 B2 447 423 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 7299.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 6919.5 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=FULL/3-21G*
ABC
11.04380 0.32792 0.31846

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.219
N2 0.000 0.000 1.410
N3 0.000 0.000 -1.129
H4 0.000 0.870 -1.640
H5 0.000 -0.870 -1.640

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.19131.34712.05202.0520
N21.19132.53843.17133.1713
N31.34712.53841.00931.0093
H42.05203.17131.00931.7405
H52.05203.17131.00931.7405

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.431 C1 N3 H5 120.431
N2 C1 N3 180.000 H4 N3 H5 119.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability