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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/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 LSDA/6-311G*
 hartrees
Energy at 0K-148.007214
Energy at 298.15K-148.009377
Nuclear repulsion energy59.478798
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 LSDA/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' 3495 3438 48.10      
2 A' 2341 2303 105.89      
3 A' 1600 1574 65.15      
4 A' 1129 1111 7.07      
5 A' 535 527 17.54      
6 A' 404 398 291.47      
7 A" 3589 3531 69.89      
8 A" 1145 1126 2.85      
9 A" 414 407 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 7326.0 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 7206.6 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 LSDA/6-311G*
ABC
10.49642 0.34201 0.33282

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.215 0.000
N2 -0.017 1.378 0.000
N3 0.069 -1.107 0.000
H4 -0.184 -1.592 0.858
H5 -0.184 -1.592 -0.858

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16301.32342.00832.0083
N21.16302.48603.09543.0954
N31.32342.48601.01761.0176
H42.00833.09541.01761.7160
H52.00833.09541.01761.7160

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 117.569 C1 N3 H5 117.569
N2 C1 N3 177.823 H4 N3 H5 114.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.273      
2 N -0.266      
3 N -0.786      
4 H 0.390      
5 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.864 -4.760 0.000 4.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.591 1.626 0.000
y 1.626 -17.903 0.000
z 0.000 0.000 -14.807
Traceless
 xyz
x -2.236 1.626 0.000
y 1.626 -1.204 0.000
z 0.000 0.000 3.440
Polar
3z2-r26.880
x2-y2-0.688
xy1.626
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.849 -0.001 0.000
y -0.001 5.044 0.000
z 0.000 0.000 2.245


<r2> (average value of r2) Å2
<r2> 39.461
(<r2>)1/2 6.282

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-148.006856
Energy at 298.15K 
HF Energy-148.006856
Nuclear repulsion energy59.539401
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 LSDA/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 3533 3475 63.46      
2 A1 2342 2304 118.25      
3 A1 1584 1558 69.33      
4 A1 1146 1127 7.00      
5 B1 538 529 0.72      
6 B1 294i 289i 330.70      
7 B2 3638 3579 89.66      
8 B2 1109 1091 6.52      
9 B2 410 403 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 7002.1 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 6888.0 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 LSDA/6-311G*
ABC
11.01031 0.34255 0.33222

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.215
N2 0.000 0.000 1.379
N3 0.000 0.000 -1.101
H4 0.000 0.872 -1.620
H5 0.000 -0.872 -1.620

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16401.31622.03162.0316
N21.16402.48023.12333.1233
N31.31622.48021.01441.0144
H42.03163.12331.01441.7431
H52.03163.12331.01441.7431

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.772 C1 N3 H5 120.772
N2 C1 N3 180.000 H4 N3 H5 118.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.288      
2 N -0.270      
3 N -0.809      
4 H 0.396      
5 H 0.396      


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 -4.979 4.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.736 0.000 0.000
y 0.000 -14.646 0.000
z 0.000 0.000 -17.433
Traceless
 xyz
x -2.697 0.000 0.000
y 0.000 3.439 0.000
z 0.000 0.000 -0.742
Polar
3z2-r2-1.484
x2-y2-4.091
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.801 0.000 0.000
y 0.000 2.198 0.000
z 0.000 0.000 5.055


<r2> (average value of r2) Å2
<r2> 39.426
(<r2>)1/2 6.279