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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-147.801184
Energy at 298.15K-147.803439
HF Energy-147.801184
Nuclear repulsion energy59.235832
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 HSEh1PBE/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 3586 3442 63.89      
2 A1 2355 2261 86.87      
3 A1 1682 1615 76.38      
4 A1 1138 1093 8.73      
5 B1 574 551 52.57      
6 B1 416 399 402.27      
7 B2 3694 3546 79.86      
8 B2 1184 1137 6.22      
9 B2 473 454 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 7550.9 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 7248.1 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 HSEh1PBE/3-21G*
ABC
11.04704 0.33826 0.32821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.217
N2 0.000 0.000 1.388
N3 0.000 0.000 -1.109
H4 0.000 0.870 -1.624
H5 0.000 -0.870 -1.624

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17121.32602.03602.0360
N21.17122.49723.13513.1351
N31.32602.49721.01091.0109
H42.03603.13511.01091.7402
H52.03603.13511.01091.7402

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.606 C1 N3 H5 120.606
N2 C1 N3 180.000 H4 N3 H5 118.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.599      
2 N -0.457      
3 N -0.861      
4 H 0.359      
5 H 0.359      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.687 4.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.193 0.000 0.000
y 0.000 -14.406 0.000
z 0.000 0.000 -17.407
Traceless
 xyz
x -2.286 0.000 0.000
y 0.000 3.394 0.000
z 0.000 0.000 -1.108
Polar
3z2-r2-2.216
x2-y2-3.786
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.032 0.000 0.000
y 0.000 1.727 0.000
z 0.000 0.000 4.363


<r2> (average value of r2) Å2
<r2> 39.580
(<r2>)1/2 6.291