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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/6-31G**

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/6-31G**
 hartrees
Energy at 0K-147.916828
Energy at 298.15K-147.919219
Nuclear repulsion energy59.964901
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3802 3431 57.35      
2 A' 2602 2349 131.09      
3 A' 1777 1604 54.52      
4 A' 1162 1049 6.23      
5 A' 652 589 229.58      
6 A' 520 469 99.43      
7 A" 3915 3534 78.49      
8 A" 1305 1178 0.55      
9 A" 461 416 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 8098.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 7309.3 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/6-31G**
ABC
10.53665 0.34527 0.33690

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.226 0.000
N2 -0.069 1.362 0.000
N3 0.122 -1.110 0.000
H4 -0.184 -1.558 0.835
H5 -0.184 -1.558 -0.835

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13811.34091.97831.9783
N21.13812.47873.03913.0391
N31.34092.47870.99620.9962
H41.97833.03910.99621.6707
H51.97833.03910.99621.6707

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.857 C1 N3 H5 114.857
N2 C1 N3 178.278 H4 N3 H5 113.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.514      
2 N -0.443      
3 N -0.737      
4 H 0.333      
5 H 0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.969 -4.520 0.000 4.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.367 2.118 0.000
y 2.118 -18.579 0.000
z 0.000 0.000 -14.836
Traceless
 xyz
x -1.660 2.118 0.000
y 2.118 -1.977 0.000
z 0.000 0.000 3.637
Polar
3z2-r27.274
x2-y20.212
xy2.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.552 -0.080 0.000
y -0.080 4.429 0.000
z 0.000 0.000 2.023


<r2> (average value of r2) Å2
<r2> 39.142
(<r2>)1/2 6.256

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-147.915538
Energy at 298.15K 
HF Energy-147.915538
Nuclear repulsion energy60.119582
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/6-31G**
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 3863 3486 87.95      
2 A1 2590 2338 167.84      
3 A1 1761 1590 63.53      
4 A1 1200 1083 12.04      
5 B1 587 530 7.93      
6 B1 439i 396i 370.86      
7 B2 3998 3609 119.95      
8 B2 1246 1124 4.97      
9 B2 457 413 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 7631.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 6887.9 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 HF/6-31G**
ABC
11.38505 0.34712 0.33685

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.225
N2 0.000 0.000 1.365
N3 0.000 0.000 -1.101
H4 0.000 0.857 -1.598
H5 0.000 -0.857 -1.598

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13981.32562.01472.0147
N21.13982.46553.08463.0846
N31.32562.46550.99110.9911
H42.01473.08460.99111.7142
H52.01473.08460.99111.7142

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.142 C1 N3 H5 120.142
N2 C1 N3 180.000 H4 N3 H5 119.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.534      
2 N -0.445      
3 N -0.775      
4 H 0.343      
5 H 0.343      


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 -4.862 4.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.470 0.000 0.000
y 0.000 -14.564 0.000
z 0.000 0.000 -17.928
Traceless
 xyz
x -2.224 0.000 0.000
y 0.000 3.635 0.000
z 0.000 0.000 -1.411
Polar
3z2-r2-2.822
x2-y2-3.906
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.468 0.000 0.000
y 0.000 1.973 0.000
z 0.000 0.000 4.459


<r2> (average value of r2) Å2
<r2> 39.011
(<r2>)1/2 6.246