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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: PBEPBE/6-31+G**

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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-148.622815
Energy at 298.15K-148.625002
Nuclear repulsion energy58.699816
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 PBEPBE/6-31+G**
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' 3483 3443 39.06      
2 A' 2274 2248 110.65      
3 A' 1582 1564 48.96      
4 A' 1079 1067 10.06      
5 A' 529 523 179.98      
6 A' 472 466 77.44      
7 A" 3586 3545 67.15      
8 A" 1146 1133 0.30      
9 A" 390 385 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 7270.2 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7187.3 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 PBEPBE/6-31+G**
ABC
10.18057 0.33206 0.32393

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.217 0.000
N2 0.003 1.397 0.000
N3 0.070 -1.129 0.000
H4 -0.254 -1.586 0.853
H5 -0.254 -1.586 -0.853

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17991.34802.01032.0103
N21.17992.52693.11273.1127
N31.34802.52691.01991.0199
H42.01033.11271.01991.7052
H52.01033.11271.01991.7052

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.507 C1 N3 H5 115.507
N2 C1 N3 176.901 H4 N3 H5 113.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.421      
2 N -0.435      
3 N -0.648      
4 H 0.331      
5 H 0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.054 -4.573 0.000 4.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.946 1.964 0.000
y 1.964 -18.807 0.000
z 0.000 0.000 -15.274
Traceless
 xyz
x -1.905 1.964 0.000
y 1.964 -1.697 0.000
z 0.000 0.000 3.603
Polar
3z2-r27.206
x2-y2-0.139
xy1.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.541 -0.006 0.000
y -0.006 5.881 0.000
z 0.000 0.000 2.607


<r2> (average value of r2) Å2
<r2> 40.553
(<r2>)1/2 6.368

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-148.621906
Energy at 298.15K 
HF Energy-148.621906
Nuclear repulsion energy58.823377
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 PBEPBE/6-31+G**
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 3548 3507 64.35      
2 A1 2277 2251 136.82      
3 A1 1567 1549 53.31      
4 A1 1109 1096 12.81      
5 B1 500 494 0.33      
6 B1 373i 369i 285.66      
7 B2 3667 3625 98.68      
8 B2 1094 1082 4.04      
9 B2 387 383 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 6887.5 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 6809.0 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 PBEPBE/6-31+G**
ABC
10.96796 0.33326 0.32343

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

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 1.398
N3 0.000 0.000 -1.118
H4 0.000 0.873 -1.634
H5 0.000 -0.873 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18111.33522.04692.0469
N21.18112.51643.15573.1557
N31.33522.51641.01431.0143
H42.04693.15571.01431.7465
H52.04693.15571.01431.7465

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.582 C1 N3 H5 120.582
N2 C1 N3 180.000 H4 N3 H5 118.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.449      
2 N -0.442      
3 N -0.681      
4 H 0.337      
5 H 0.337      


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 -4.904 4.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.259 0.000 0.000
y 0.000 -15.051 0.000
z 0.000 0.000 -18.090
Traceless
 xyz
x -2.689 0.000 0.000
y 0.000 3.623 0.000
z 0.000 0.000 -0.934
Polar
3z2-r2-1.869
x2-y2-4.208
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.509 0.000 0.000
y 0.000 2.505 0.000
z 0.000 0.000 5.930


<r2> (average value of r2) Å2
<r2> 40.496
(<r2>)1/2 6.364