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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-147.952111
Energy at 298.15K-147.954544
Nuclear repulsion energy60.136608
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
4/u)
Dep P Dep U
1 A' 3774 3429 53.42      
2 A' 2592 2355 135.01      
3 A' 1775 1613 51.45      
4 A' 1152 1046 6.80      
5 A' 681 619 214.66      
6 A' 539 490 75.00      
7 A" 3874 3520 71.39      
8 A" 1312 1192 0.07      
9 A" 469 426 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 8084.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 7344.3 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/6-311G**
ABC
10.46662 0.34739 0.33909

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 -0.067 1.356 0.000
N3 0.123 -1.108 0.000
H4 -0.199 -1.550 0.833
H5 -0.199 -1.550 -0.833

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13151.34011.97251.9725
N21.13152.47133.02633.0263
N31.34012.47130.99680.9968
H41.97253.02630.99681.6660
H51.97253.02630.99681.6660

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.342 C1 N3 H5 114.342
N2 C1 N3 178.090 H4 N3 H5 113.376
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 0.358      
2 N -0.375      
3 N -0.488      
4 H 0.252      
5 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.953 -4.522 0.000 4.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.424 2.102 0.000
y 2.102 -18.830 0.000
z 0.000 0.000 -14.994
Traceless
 xyz
x -1.512 2.102 0.000
y 2.102 -2.120 0.000
z 0.000 0.000 3.633
Polar
3z2-r27.265
x2-y20.405
xy2.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.809 -0.073 0.000
y -0.073 4.497 0.000
z 0.000 0.000 2.175


<r2> (average value of r2) Å2
<r2> 39.062
(<r2>)1/2 6.250

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-147.950492
Energy at 298.15K 
HF Energy-147.950492
Nuclear repulsion energy60.304949
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
4/u)
Dep P Dep U
1 A1 3838 3486 84.09      
2 A1 2579 2343 174.63      
3 A1 1754 1594 59.77      
4 A1 1191 1082 13.44      
5 B1 601 546 5.47      
6 B1 466i 424i 327.86      
7 B2 3967 3604 114.50      
8 B2 1242 1129 3.05      
9 B2 464 421 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 7585.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 6890.9 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/6-311G**
ABC
11.38696 0.34940 0.33900

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 1.359
N3 0.000 0.000 -1.098
H4 0.000 0.857 -1.595
H5 0.000 -0.857 -1.595

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13331.32362.01262.0126
N21.13332.45693.07623.0762
N31.32362.45690.99090.9909
H42.01263.07620.99091.7140
H52.01263.07620.99091.7140

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.132 C1 N3 H5 120.132
N2 C1 N3 180.000 H4 N3 H5 119.736
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 0.384      
2 N -0.381      
3 N -0.540      
4 H 0.269      
5 H 0.269      


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 -4.880 4.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.556 0.000 0.000
y 0.000 -14.728 0.000
z 0.000 0.000 -18.155
Traceless
 xyz
x -2.115 0.000 0.000
y 0.000 3.628 0.000
z 0.000 0.000 -1.513
Polar
3z2-r2-3.026
x2-y2-3.829
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.743 0.000 0.000
y 0.000 2.106 0.000
z 0.000 0.000 4.536


<r2> (average value of r2) Å2
<r2> 38.941
(<r2>)1/2 6.240