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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/CEP-31G

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 HF/CEP-31G
Rotational Constants (cm-1) from geometry optimized at HF/CEP-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-25.917483
Energy at 298.15K-25.919746
HF Energy-25.917483
Nuclear repulsion energy31.583763
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 HF/CEP-31G
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 3862 3481 74.10      
2 A1 2475 2231 177.97      
3 A1 1788 1612 85.28      
4 A1 1165 1050 10.12      
5 B1 570 514 41.44      
6 B1 439 395 517.96      
7 B2 4016 3620 95.77      
8 B2 1267 1142 5.04      
9 B2 449 405 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 8015.4 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7225.1 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 HF/CEP-31G
ABC
11.27570 0.33452 0.32488

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.226
N2 0.000 0.000 1.391
N3 0.000 0.000 -1.122
H4 0.000 0.861 -1.622
H5 0.000 -0.861 -1.622

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16571.34722.03862.0386
N21.16572.51303.13413.1341
N31.34722.51300.99610.9961
H42.03863.13410.99611.7225
H52.03863.13410.99611.7225

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.164 C1 N3 H5 120.164
N2 C1 N3 180.000 H4 N3 H5 119.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.501      
2 N 0.249      
3 N -0.515      
4 H 0.384      
5 H 0.384      


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 -5.059 5.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.065 0.000 0.000
y 0.000 -14.904 0.000
z 0.000 0.000 -19.090
Traceless
 xyz
x -2.068 0.000 0.000
y 0.000 4.174 0.000
z 0.000 0.000 -2.106
Polar
3z2-r2-4.212
x2-y2-4.161
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.581 0.000 0.000
y 0.000 2.028 0.000
z 0.000 0.000 4.608


<r2> (average value of r2) Å2
<r2> 33.966
(<r2>)1/2 5.828