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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-147.963333
Energy at 298.15K-147.965511
Nuclear repulsion energy59.114403
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/6-31G*
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' 3488 3423 50.23      
2 A' 2342 2298 94.44      
3 A' 1586 1556 57.08      
4 A' 1128 1107 6.46      
5 A' 524 514 78.60      
6 A' 451 443 227.48      
7 A" 3584 3517 72.37      
8 A" 1140 1118 2.06      
9 A" 405 397 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7323.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 7186.7 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 LSDA/6-31G*
ABC
10.29555 0.33769 0.32899

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.213 0.000
N2 -0.023 1.386 0.000
N3 0.082 -1.115 0.000
H4 -0.205 -1.590 0.857
H5 -0.205 -1.590 -0.857

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17321.33122.00722.0072
N21.17322.50383.10273.1027
N31.33122.50381.02081.0208
H42.00723.10271.02081.7132
H52.00723.10271.02081.7132

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 116.554 C1 N3 H5 116.554
N2 C1 N3 177.607 H4 N3 H5 114.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.421      
2 N -0.414      
3 N -0.776      
4 H 0.385      
5 H 0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.971 -4.611 0.000 4.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.201 1.835 0.000
y 1.835 -17.606 0.000
z 0.000 0.000 -14.612
Traceless
 xyz
x -2.092 1.835 0.000
y 1.835 -1.199 0.000
z 0.000 0.000 3.291
Polar
3z2-r26.582
x2-y2-0.595
xy1.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.584 -0.005 0.000
y -0.005 4.952 0.000
z 0.000 0.000 2.111


<r2> (average value of r2) Å2
<r2> 39.591
(<r2>)1/2 6.292

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-147.962699
Energy at 298.15K 
HF Energy-147.962699
Nuclear repulsion energy59.192971
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/6-31G*
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 3542 3476 72.69      
2 A1 2344 2301 109.76      
3 A1 1571 1542 65.01      
4 A1 1151 1129 6.34      
5 B1 520 510 0.85      
6 B1 344i 337i 335.85      
7 B2 3647 3579 98.07      
8 B2 1096 1075 6.91      
9 B2 402 395 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 6964.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 6834.1 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/6-31G*
ABC
10.95188 0.33838 0.32824

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.214
N2 0.000 0.000 1.389
N3 0.000 0.000 -1.108
H4 0.000 0.874 -1.627
H5 0.000 -0.874 -1.627

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17441.32182.03802.0380
N21.17442.49623.13963.1396
N31.32182.49621.01651.0165
H42.03803.13961.01651.7477
H52.03803.13961.01651.7477

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.723 C1 N3 H5 120.723
N2 C1 N3 180.000 H4 N3 H5 118.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.440      
2 N -0.414      
3 N -0.804      
4 H 0.389      
5 H 0.389      


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 -4.890 4.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.378 0.000 0.000
y 0.000 -14.398 0.000
z 0.000 0.000 -17.007
Traceless
 xyz
x -2.676 0.000 0.000
y 0.000 3.295 0.000
z 0.000 0.000 -0.619
Polar
3z2-r2-1.238
x2-y2-3.980
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.513 0.000 0.000
y 0.000 2.069 0.000
z 0.000 0.000 4.960


<r2> (average value of r2) Å2
<r2> 39.546
(<r2>)1/2 6.289