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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-148.674523
Energy at 298.15K-148.676750
HF Energy-148.674523
Nuclear repulsion energy59.049524
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/Def2TZVPP
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' 3468 3426 33.04      
2 A' 2274 2247 92.07      
3 A' 1576 1556 38.34      
4 A' 1076 1063 8.57      
5 A' 556 549 158.80      
6 A' 481 475 61.85      
7 A" 3558 3515 55.72      
8 A" 1156 1142 0.05      
9 A" 400 395 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7272.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 7184.2 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/Def2TZVPP
ABC
10.17327 0.33613 0.32804

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.221 0.000
N2 0.002 1.385 0.000
N3 0.072 -1.123 0.000
H4 -0.260 -1.577 0.848
H5 -0.260 -1.577 -0.848

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16391.34622.00502.0050
N21.16392.50923.09233.0923
N31.34622.50921.01731.0173
H42.00503.09231.01731.6953
H52.00503.09231.01731.6953

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.348 C1 N3 H5 115.348
N2 C1 N3 176.827 H4 N3 H5 112.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 N -0.019      
3 N -0.267      
4 H 0.203      
5 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.969 -4.505 0.000 4.608
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.542 1.850 0.000
y 1.850 -18.587 0.000
z 0.000 0.000 -15.239
Traceless
 xyz
x -1.629 1.850 0.000
y 1.850 -1.696 0.000
z 0.000 0.000 3.326
Polar
3z2-r26.652
x2-y20.045
xy1.850
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.574 0.021 0.000
y 0.021 5.625 0.000
z 0.000 0.000 2.809


<r2> (average value of r2) Å2
<r2> 40.052
(<r2>)1/2 6.329

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-148.673314
Energy at 298.15K 
HF Energy-148.673314
Nuclear repulsion energy59.188958
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/Def2TZVPP
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 3536 3493 55.74      
2 A1 2277 2250 117.38      
3 A1 1561 1542 45.98      
4 A1 1107 1094 12.07      
5 B1 512 506 0.06      
6 B1 405i 400i 231.16      
7 B2 3646 3602 85.56      
8 B2 1098 1085 1.85      
9 B2 397 392 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 6864.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 6781.4 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/Def2TZVPP
ABC
11.04222 0.33752 0.32751

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.220
N2 0.000 0.000 1.387
N3 0.000 0.000 -1.111
H4 0.000 0.870 -1.625
H5 0.000 -0.870 -1.625

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16671.33092.03932.0393
N21.16672.49763.13433.1343
N31.33092.49761.01031.0103
H42.03933.13431.01031.7400
H52.03933.13431.01031.7400

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.554 C1 N3 H5 120.554
N2 C1 N3 180.000 H4 N3 H5 118.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 N -0.026      
3 N -0.296      
4 H 0.211      
5 H 0.211      


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 -4.858 4.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.836 0.000 0.000
y 0.000 -15.001 0.000
z 0.000 0.000 -17.844
Traceless
 xyz
x -2.413 0.000 0.000
y 0.000 3.339 0.000
z 0.000 0.000 -0.925
Polar
3z2-r2-1.851
x2-y2-3.835
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.522 0.000 0.000
y 0.000 2.746 0.000
z 0.000 0.000 5.629


<r2> (average value of r2) Å2
<r2> 39.988
(<r2>)1/2 6.324