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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-147.945463
Energy at 298.15K-147.947909
Nuclear repulsion energy60.141601
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3803 3440 43.61      
2 A' 2591 2344 131.49      
3 A' 1824 1650 56.35      
4 A' 1151 1041 5.77      
5 A' 701 634 249.81      
6 A' 547 495 69.60      
7 A" 3900 3527 56.90      
8 A" 1336 1208 0.18      
9 A" 472 426 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 8162.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7382.4 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/6-311G*
ABC
10.52054 0.34718 0.33900

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.227 0.000
N2 -0.065 1.357 0.000
N3 0.123 -1.108 0.000
H4 -0.203 -1.551 0.830
H5 -0.203 -1.551 -0.830

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13161.34071.97211.9721
N21.13162.47193.02643.0264
N31.34072.47190.99490.9949
H41.97213.02640.99491.6593
H51.97213.02640.99491.6593

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.389 C1 N3 H5 114.389
N2 C1 N3 178.034 H4 N3 H5 113.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.443      
2 N -0.374      
3 N -0.853      
4 H 0.392      
5 H 0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.033 -4.514 0.000 4.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.532 2.212 0.000
y 2.212 -18.840 0.000
z 0.000 0.000 -14.982
Traceless
 xyz
x -1.621 2.212 0.000
y 2.212 -2.083 0.000
z 0.000 0.000 3.704
Polar
3z2-r27.408
x2-y20.308
xy2.212
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.762 -0.068 0.000
y -0.068 4.457 0.000
z 0.000 0.000 2.139


<r2> (average value of r2) Å2
<r2> 39.090
(<r2>)1/2 6.252

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-147.943666
Energy at 298.15K 
HF Energy-147.943666
Nuclear repulsion energy60.315202
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/6-311G*
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 3865 3496 72.77      
2 A1 2578 2332 173.91      
3 A1 1792 1621 61.68      
4 A1 1193 1079 13.09      
5 B1 606 548 5.55      
6 B1 485i 439i 372.11      
7 B2 3992 3611 95.17      
8 B2 1260 1139 3.93      
9 B2 466 421 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7633.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 6903.7 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/6-311G*
ABC
11.46686 0.34930 0.33897

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

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 1.360
N3 0.000 0.000 -1.097
H4 0.000 0.854 -1.597
H5 0.000 -0.854 -1.597

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13351.32352.01312.0131
N21.13352.45693.07733.0773
N31.32352.45690.98940.9894
H42.01313.07730.98941.7080
H52.01313.07730.98941.7080

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.322 C1 N3 H5 120.322
N2 C1 N3 180.000 H4 N3 H5 119.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.466      
2 N -0.381      
3 N -0.900      
4 H 0.408      
5 H 0.408      


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 -4.913 4.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.680 0.000 0.000
y 0.000 -14.702 0.000
z 0.000 0.000 -18.068
Traceless
 xyz
x -2.295 0.000 0.000
y 0.000 3.672 0.000
z 0.000 0.000 -1.377
Polar
3z2-r2-2.754
x2-y2-3.978
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.695 0.000 0.000
y 0.000 2.068 0.000
z 0.000 0.000 4.506


<r2> (average value of r2) Å2
<r2> 38.946
(<r2>)1/2 6.241