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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-147.980223
Energy at 298.15K-147.982654
Nuclear repulsion energy60.254116
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/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3769 3424 55.60      
2 A' 2576 2340 144.06      
3 A' 1771 1608 43.16      
4 A' 1147 1042 7.80      
5 A' 676 614 183.72      
6 A' 541 491 71.87      
7 A" 3869 3514 76.74      
8 A" 1310 1190 0.03      
9 A" 470 427 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 8063.8 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 7325.2 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/cc-pVQZ
ABC
10.54517 0.34859 0.34024

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.227 0.000
N2 -0.061 1.354 0.000
N3 0.119 -1.106 0.000
H4 -0.200 -1.549 0.831
H5 -0.200 -1.549 -0.831

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.12851.33861.97091.9709
N21.12852.46673.02253.0225
N31.33862.46670.99420.9942
H41.97093.02250.99421.6627
H51.97093.02250.99421.6627

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.516 C1 N3 H5 114.516
N2 C1 N3 178.037 H4 N3 H5 113.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.264      
2 N -0.271      
3 N -0.417      
4 H 0.212      
5 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.857 -4.576 0.000 4.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.573 1.986 0.000
y 1.986 -18.880 0.000
z 0.000 0.000 -15.149
Traceless
 xyz
x -1.558 1.986 0.000
y 1.986 -2.019 0.000
z 0.000 0.000 3.577
Polar
3z2-r27.154
x2-y20.307
xy1.986
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.528 -0.071 0.000
y -0.071 4.895 0.000
z 0.000 0.000 2.732


<r2> (average value of r2) Å2
<r2> 39.042
(<r2>)1/2 6.248