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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-147.936456
Energy at 298.15K-147.938886
Nuclear repulsion energy59.859566
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/aug-cc-pVDZ
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' 3764 3428 51.90      
2 A' 2577 2346 147.72      
3 A' 1752 1596 41.54      
4 A' 1145 1043 6.68      
5 A' 687 625 191.01      
6 A' 536 489 51.56      
7 A" 3869 3523 73.12      
8 A" 1306 1189 0.01      
9 A" 462 421 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 8048.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 7329.4 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/aug-cc-pVDZ
ABC
10.34549 0.34418 0.33616

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.226 0.000
N2 -0.063 1.363 0.000
N3 0.124 -1.114 0.000
H4 -0.214 -1.551 0.833
H5 -0.214 -1.551 -0.833

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13901.34521.97411.9741
N21.13902.48383.03463.0346
N31.34522.48380.99990.9999
H41.97413.03460.99991.6664
H51.97413.03460.99991.6664

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 113.844 C1 N3 H5 113.844
N2 C1 N3 177.868 H4 N3 H5 112.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 N -0.279      
3 N -0.086      
4 H 0.077      
5 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.910 -4.557 0.000 4.647
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.792 2.115 0.000
y 2.115 -19.114 0.000
z 0.000 0.000 -15.290
Traceless
 xyz
x -1.590 2.115 0.000
y 2.115 -2.073 0.000
z 0.000 0.000 3.663
Polar
3z2-r27.326
x2-y20.322
xy2.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.800 -0.081 0.000
y -0.081 5.115 0.000
z 0.000 0.000 2.926


<r2> (average value of r2) Å2
<r2> 39.495
(<r2>)1/2 6.285

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-147.934646
Energy at 298.15K 
HF Energy-147.934646
Nuclear repulsion energy60.042313
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/aug-cc-pVDZ
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 3833 3490 83.94      
2 A1 2562 2333 197.10      
3 A1 1744 1588 48.32      
4 A1 1187 1081 14.01      
5 B1 592 539 3.51      
6 B1 472i 429i 275.42      
7 B2 3971 3616 112.65      
8 B2 1235 1124 1.50      
9 B2 456 416 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 7554.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 6878.7 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/aug-cc-pVDZ
ABC
11.31784 0.34634 0.33605

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

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 1.366
N3 0.000 0.000 -1.102
H4 0.000 0.860 -1.600
H5 0.000 -0.860 -1.600

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.14081.32752.01742.0174
N21.14082.46843.08803.0880
N31.32752.46840.99320.9932
H42.01743.08800.99321.7193
H52.01743.08800.99321.7193

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.063 C1 N3 H5 120.063
N2 C1 N3 180.000 H4 N3 H5 119.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.190      
2 N -0.278      
3 N 0.029      
4 H 0.030      
5 H 0.030      


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 -4.915 4.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.019 0.000 0.000
y 0.000 -15.011 0.000
z 0.000 0.000 -18.446
Traceless
 xyz
x -2.290 0.000 0.000
y 0.000 3.721 0.000
z 0.000 0.000 -1.431
Polar
3z2-r2-2.861
x2-y2-4.007
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.790 0.000 0.000
y 0.000 2.919 0.000
z 0.000 0.000 5.185


<r2> (average value of r2) Å2
<r2> 39.395
(<r2>)1/2 6.277