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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: mPW1PW91/6-311G**

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 mPW1PW91/6-311G**
 hartrees
Energy at 0K-148.784055
Energy at 298.15K-148.786344
Nuclear repulsion energy59.555676
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 mPW1PW91/6-311G**
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' 3596 3440 44.17      
2 A' 2396 2292 109.21      
3 A' 1640 1569 50.04      
4 A' 1118 1069 8.15      
5 A' 579 553 158.54      
6 A' 495 474 107.78      
7 A" 3692 3532 64.18      
8 A" 1200 1148 0.32      
9 A" 422 404 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 7568.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7241.0 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 mPW1PW91/6-311G**
ABC
10.35583 0.34175 0.33338

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
N2 -0.027 1.374 0.000
N3 0.092 -1.114 0.000
H4 -0.228 -1.566 0.843
H5 -0.228 -1.566 -0.843

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15521.33631.98701.9870
N21.15522.49083.06483.0648
N31.33632.49081.00841.0084
H41.98703.06481.00841.6865
H51.98703.06481.00841.6865

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.159 C1 N3 H5 115.159
N2 C1 N3 177.388 H4 N3 H5 113.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.269      
2 N -0.321      
3 N -0.460      
4 H 0.256      
5 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.985 -4.509 0.000 4.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.221 1.903 0.000
y 1.903 -18.270 0.000
z 0.000 0.000 -14.848
Traceless
 xyz
x -1.662 1.903 0.000
y 1.903 -1.736 0.000
z 0.000 0.000 3.397
Polar
3z2-r26.795
x2-y20.049
xy1.903
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.885 -0.008 0.000
y -0.008 4.897 0.000
z 0.000 0.000 2.254


<r2> (average value of r2) Å2
<r2> 39.371
(<r2>)1/2 6.275

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-148.782994
Energy at 298.15K 
HF Energy-148.782994
Nuclear repulsion energy59.684058
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 mPW1PW91/6-311G**
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 3659 3500 68.62      
2 A1 2395 2291 134.32      
3 A1 1623 1553 57.55      
4 A1 1148 1099 10.92      
5 B1 544 521 0.78      
6 B1 400i 382i 292.51      
7 B2 3777 3613 98.69      
8 B2 1142 1093 3.55      
9 B2 417 399 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 7152.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6842.8 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 mPW1PW91/6-311G**
ABC
11.17636 0.34308 0.33286

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

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 1.376
N3 0.000 0.000 -1.104
H4 0.000 0.865 -1.611
H5 0.000 -0.865 -1.611

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15661.32312.02442.0244
N21.15662.47973.10963.1096
N31.32312.47971.00281.0028
H42.02443.10961.00281.7301
H52.02443.10961.00281.7301

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.382 C1 N3 H5 120.382
N2 C1 N3 180.000 H4 N3 H5 119.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.292      
2 N -0.327      
3 N -0.498      
4 H 0.267      
5 H 0.267      


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 -4.841 4.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.430 0.000 0.000
y 0.000 -14.605 0.000
z 0.000 0.000 -17.592
Traceless
 xyz
x -2.332 0.000 0.000
y 0.000 3.406 0.000
z 0.000 0.000 -1.074
Polar
3z2-r2-2.148
x2-y2-3.825
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.817 0.000 0.000
y 0.000 2.187 0.000
z 0.000 0.000 4.918


<r2> (average value of r2) Å2
<r2> 39.296
(<r2>)1/2 6.269