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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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 PBEPBEultrafine/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-148.634477
Energy at 298.15K 
HF Energy-148.634477
Nuclear repulsion energy58.836705
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 PBEPBEultrafine/aug-cc-pVDZ
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 3525 3504 54.15      
2 A1 2270 2256 129.84      
3 A1 1555 1546 41.57      
4 A1 1105 1098 11.97      
5 B1 499 496 0.37      
6 B1 384i 382i 219.11      
7 B2 3645 3623 83.68      
8 B2 1087 1080 1.11      
9 B2 384 381 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 6843.3 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 6801.6 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
10.95220 0.33347 0.32362

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.218
N2 0.000 0.000 1.398
N3 0.000 0.000 -1.118
H4 0.000 0.874 -1.634
H5 0.000 -0.874 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18031.33522.04722.0472
N21.18032.51553.15503.1550
N31.33522.51551.01491.0149
H42.04723.15501.01491.7477
H52.04723.15501.01491.7477

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.564 C1 N3 H5 120.564
N2 C1 N3 180.000 H4 N3 H5 118.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 N -0.245      
3 N 0.184      
4 H -0.038      
5 H -0.038      


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 -4.825 4.825
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.129 0.000 0.000
y 0.000 -15.153 0.000
z 0.000 0.000 -18.196
Traceless
 xyz
x -2.454 0.000 0.000
y 0.000 3.509 0.000
z 0.000 0.000 -1.055
Polar
3z2-r2-2.111
x2-y2-3.976
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.152 0.000 0.000
y 0.000 3.223 0.000
z 0.000 0.000 6.142


<r2> (average value of r2) Å2
<r2> 40.497
(<r2>)1/2 6.364