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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-148.845467
Energy at 298.15K-148.847749
Nuclear repulsion energy59.471537
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 B3LYP/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' 3545 3427 38.70      
2 A' 2356 2278 105.40      
3 A' 1634 1579 40.61      
4 A' 1093 1057 8.64      
5 A' 582 562 170.56      
6 A' 494 477 63.22      
7 A" 3635 3514 59.23      
8 A" 1200 1160 0.11      
9 A" 414 400 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 7476.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 7226.4 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 B3LYP/cc-pVTZ
ABC
10.34314 0.34054 0.33229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.221 0.000
N2 -0.022 1.376 0.000
N3 0.089 -1.117 0.000
H4 -0.236 -1.568 0.842
H5 -0.236 -1.568 -0.842

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15491.34081.99121.9912
N21.15492.49503.06913.0691
N31.34082.49501.00921.0092
H41.99123.06911.00921.6843
H51.99123.06911.00921.6843

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.119 C1 N3 H5 115.119
N2 C1 N3 177.272 H4 N3 H5 113.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 N -0.103      
3 N -0.207      
4 H 0.180      
5 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.920 -4.497 0.000 4.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.392 1.829 0.000
y 1.829 -18.560 0.000
z 0.000 0.000 -15.133
Traceless
 xyz
x -1.545 1.829 0.000
y 1.829 -1.798 0.000
z 0.000 0.000 3.343
Polar
3z2-r26.687
x2-y20.169
xy1.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.350 0.002 0.000
y 0.002 5.174 0.000
z 0.000 0.000 2.647


<r2> (average value of r2) Å2
<r2> 39.621
(<r2>)1/2 6.295

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-148.844303
Energy at 298.15K 
HF Energy-148.844303
Nuclear repulsion energy59.622965
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 B3LYP/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 3612 3491 62.30      
2 A1 2356 2277 133.15      
3 A1 1617 1563 48.58      
4 A1 1126 1088 13.16      
5 B1 531 513 0.33      
6 B1 415i 401i 243.87      
7 B2 3725 3601 89.72      
8 B2 1140 1102 2.11      
9 B2 410 396 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7050.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 6814.6 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 B3LYP/cc-pVTZ
ABC
11.19030 0.34217 0.33201

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.221
N2 0.000 0.000 1.377
N3 0.000 0.000 -1.105
H4 0.000 0.865 -1.614
H5 0.000 -0.865 -1.614

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15631.32652.02862.0286
N21.15632.48273.11383.1138
N31.32652.48271.00311.0031
H42.02863.11381.00311.7290
H52.02863.11381.00311.7290

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.472 C1 N3 H5 120.472
N2 C1 N3 180.000 H4 N3 H5 119.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 N -0.117      
3 N -0.220      
4 H 0.189      
5 H 0.189      


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 -4.835 4.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.625 0.000 0.000
y 0.000 -14.901 0.000
z 0.000 0.000 -17.888
Traceless
 xyz
x -2.231 0.000 0.000
y 0.000 3.356 0.000
z 0.000 0.000 -1.125
Polar
3z2-r2-2.251
x2-y2-3.725
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.290 0.000 0.000
y 0.000 2.597 0.000
z 0.000 0.000 5.185


<r2> (average value of r2) Å2
<r2> 39.535
(<r2>)1/2 6.288