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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B2PLYP/cc-pVTZ

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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-148.730637
Energy at 298.15K-148.732922
HF Energy-148.547932
Nuclear repulsion energy59.296789
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 B2PLYP/cc-pVTZ
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' 3570 3426 41.95      
2 A' 2306 2213 83.49      
3 A' 1643 1576 39.07      
4 A' 1083 1039 8.35      
5 A' 610 585 195.44      
6 A' 487 467 36.41      
7 A" 3666 3518 61.15      
8 A" 1209 1160 0.01      
9 A" 406 389 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7490.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 7186.2 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 B2PLYP/cc-pVTZ
ABC
10.26545 0.33829 0.33037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.221 0.000
N2 -0.012 1.379 0.000
N3 0.084 -1.121 0.000
H4 -0.252 -1.566 0.839
H5 -0.252 -1.566 -0.839

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15801.34461.99071.9907
N21.15802.50173.07203.0720
N31.34462.50171.00821.0082
H41.99073.07201.00821.6787
H51.99073.07201.00821.6787

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.836 C1 N3 H5 114.836
N2 C1 N3 177.008 H4 N3 H5 112.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 N -0.133      
3 N -0.234      
4 H 0.188      
5 H 0.188      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.352 -0.003 0.000
y -0.003 5.118 0.000
z 0.000 0.000 2.635


<r2> (average value of r2) Å2
<r2> 39.814
(<r2>)1/2 6.310

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-148.729044
Energy at 298.15K 
HF Energy-148.546724
Nuclear repulsion energy59.469421
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 B2PLYP/cc-pVTZ
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 3643 3495 71.07      
2 A1 2312 2218 114.16      
3 A1 1627 1561 47.16      
4 A1 1118 1073 13.94      
5 B1 519 498 0.10      
6 B1 451i 433i 247.65      
7 B2 3764 3611 96.53      
8 B2 1143 1097 1.87      
9 B2 403 386 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7038.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6752.8 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 B2PLYP/cc-pVTZ
ABC
11.20619 0.34015 0.33013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

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 1.382
N3 0.000 0.000 -1.109
H4 0.000 0.864 -1.615
H5 0.000 -0.864 -1.615

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16281.32832.02732.0273
N21.16282.49113.11893.1189
N31.32832.49111.00111.0011
H42.02733.11891.00111.7278
H52.02733.11891.00111.7278

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.347 C1 N3 H5 120.347
N2 C1 N3 180.000 H4 N3 H5 119.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.044      
2 N -0.112      
3 N -0.247      
4 H 0.202      
5 H 0.202      


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 -4.781 4.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.686 0.000 0.000
y 0.000 -14.910 0.000
z 0.000 0.000 -17.915
Traceless
 xyz
x -2.274 0.000 0.000
y 0.000 3.391 0.000
z 0.000 0.000 -1.117
Polar
3z2-r2-2.234
x2-y2-3.776
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.288 0.000 0.000
y 0.000 2.581 0.000
z 0.000 0.000 5.133


<r2> (average value of r2) Å2
<r2> 39.701
(<r2>)1/2 6.301