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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HSEh1PBE/6-311G**

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 HSEh1PBE/6-311G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-148.664256
Energy at 298.15K 
HF Energy-148.664256
Nuclear repulsion energy59.659020
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 HSEh1PBE/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 3652 3508 69.53      
2 A1 2393 2299 133.60      
3 A1 1619 1555 57.81      
4 A1 1149 1103 10.77      
5 B1 544 523 0.72      
6 B1 399i 384i 291.47      
7 B2 3770 3620 99.49      
8 B2 1140 1095 3.58      
9 B2 417 401 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 7142.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 6859.3 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 HSEh1PBE/6-311G**
ABC
11.15939 0.34286 0.33264

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.219
N2 0.000 0.000 1.377
N3 0.000 0.000 -1.104
H4 0.000 0.866 -1.612
H5 0.000 -0.866 -1.612

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15741.32312.02522.0252
N21.15742.48053.11113.1111
N31.32312.48051.00361.0036
H42.02523.11111.00361.7314
H52.02523.11111.00361.7314

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.390 C1 N3 H5 120.390
N2 C1 N3 180.000 H4 N3 H5 119.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.276      
2 N -0.316      
3 N -0.491      
4 H 0.266      
5 H 0.266      


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 -4.845 4.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.469 0.000 0.000
y 0.000 -14.637 0.000
z 0.000 0.000 -17.602
Traceless
 xyz
x -2.349 0.000 0.000
y 0.000 3.398 0.000
z 0.000 0.000 -1.049
Polar
3z2-r2-2.099
x2-y2-3.831
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.819 0.000 0.000
y 0.000 2.190 0.000
z 0.000 0.000 4.925


<r2> (average value of r2) Å2
<r2> 39.334
(<r2>)1/2 6.272