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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-148.634326
Energy at 298.15K 
HF Energy-148.634326
Nuclear repulsion energy59.384840
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 PBE1PBE/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 3642 3502 68.82      
2 A1 2380 2289 151.77      
3 A1 1607 1545 46.61      
4 A1 1146 1102 12.28      
5 B1 530 509 0.06      
6 B1 393i 378i 236.61      
7 B2 3769 3625 98.00      
8 B2 1129 1085 1.42      
9 B2 407 391 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 7107.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6835.0 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 PBE1PBE/aug-cc-pVDZ
ABC
11.09689 0.33965 0.32956

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.384
N3 0.000 0.000 -1.109
H4 0.000 0.868 -1.618
H5 0.000 -0.868 -1.618

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16531.32732.03102.0310
N21.16532.49263.12453.1245
N31.32732.49261.00631.0063
H42.03103.12451.00631.7363
H52.03103.12451.00631.7363

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.374 C1 N3 H5 120.374
N2 C1 N3 180.000 H4 N3 H5 119.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.186      
2 N -0.281      
3 N 0.106      
4 H -0.006      
5 H -0.006      


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 -4.855 4.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.970 0.000 0.000
y 0.000 -14.983 0.000
z 0.000 0.000 -18.112
Traceless
 xyz
x -2.422 0.000 0.000
y 0.000 3.558 0.000
z 0.000 0.000 -1.136
Polar
3z2-r2-2.271
x2-y2-3.987
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.997 0.000 0.000
y 0.000 3.088 0.000
z 0.000 0.000 5.755


<r2> (average value of r2) Å2
<r2> 39.878
(<r2>)1/2 6.315