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All results from a given calculation for NH2CN (cyanamide)

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-147.365525
Energy at 298.15K-147.367541
HF Energy-147.083049
Nuclear repulsion energy59.128700
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 CID/3-21G*
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 3400 63.69      
2 A1 2396 2230 79.66      
3 A1 1748 1627 72.26      
4 A1 1114 1037 12.75      
5 B1 510 475 16.87      
6 B1 256 238 468.20      
7 B2 3767 3505 72.65      
8 B2 1225 1140 5.44      
9 B2 453 421 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 7561.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 7035.9 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 CID/3-21G*
ABC
11.12774 0.33592 0.32608

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.223
N2 0.000 0.000 1.390
N3 0.000 0.000 -1.116
H4 0.000 0.867 -1.627
H5 0.000 -0.867 -1.627

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16651.33982.04292.0429
N21.16652.50623.13843.1384
N31.33982.50621.00591.0059
H42.04293.13841.00591.7339
H52.04293.13841.00591.7339

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.471 C1 N3 H5 120.471
N2 C1 N3 180.000 H4 N3 H5 119.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability