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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at B1B95/3-21G
Rotational Constants (cm-1) from geometry optimized at B1B95/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-147.898524
Energy at 298.15K-147.900788
HF Energy-147.898524
Nuclear repulsion energy59.307644
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 B1B95/3-21G
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 3591 3436 63.50      
2 A1 2359 2257 87.85      
3 A1 1683 1610 75.88      
4 A1 1135 1086 9.29      
5 B1 573 548 57.69      
6 B1 423 404 396.78      
7 B2 3701 3541 78.36      
8 B2 1183 1132 6.19      
9 B2 472 452 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 7559.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7232.3 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 B1B95/3-21G
ABC
11.08433 0.33896 0.32891

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.217
N2 0.000 0.000 1.386
N3 0.000 0.000 -1.109
H4 0.000 0.869 -1.622
H5 0.000 -0.869 -1.622

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16881.32582.03432.0343
N21.16882.49463.13123.1312
N31.32582.49461.00921.0092
H42.03433.13121.00921.7373
H52.03433.13121.00921.7373

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.600 C1 N3 H5 120.600
N2 C1 N3 180.000 H4 N3 H5 118.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.590      
2 N -0.450      
3 N -0.853      
4 H 0.357      
5 H 0.357      


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 -4.646 4.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.129 0.000 0.000
y 0.000 -14.369 0.000
z 0.000 0.000 -17.368
Traceless
 xyz
x -2.260 0.000 0.000
y 0.000 3.380 0.000
z 0.000 0.000 -1.119
Polar
3z2-r2-2.238
x2-y2-3.760
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.028 0.000 0.000
y 0.000 1.724 0.000
z 0.000 0.000 4.350


<r2> (average value of r2) Å2
<r2> 39.487
(<r2>)1/2 6.284