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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-148.777603
Energy at 298.15K-148.779906
Nuclear repulsion energy59.550215
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' 3604 3439 34.94      
2 A' 2395 2286 107.30      
3 A' 1690 1613 55.76      
4 A' 1117 1066 7.31      
5 A' 592 565 199.24      
6 A' 504 481 98.18      
7 A" 3698 3529 49.77      
8 A" 1224 1168 0.61      
9 A" 424 405 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 7623.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 7276.2 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 mPW1PW91/6-311G*
ABC
10.39723 0.34153 0.33322

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 -0.024 1.374 0.000
N3 0.090 -1.114 0.000
H4 -0.230 -1.567 0.841
H5 -0.230 -1.567 -0.841

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15531.33661.98821.9882
N21.15532.49133.06663.0666
N31.33662.49131.00771.0077
H41.98823.06661.00771.6826
H51.98823.06661.00771.6826

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.295 C1 N3 H5 115.295
N2 C1 N3 177.335 H4 N3 H5 113.207
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 0.353      
2 N -0.320      
3 N -0.794      
4 H 0.380      
5 H 0.380      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.063 -4.517 0.000 4.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.333 2.011 0.000
y 2.011 -18.254 0.000
z 0.000 0.000 -14.819
Traceless
 xyz
x -1.796 2.011 0.000
y 2.011 -1.678 0.000
z 0.000 0.000 3.474
Polar
3z2-r26.949
x2-y2-0.079
xy2.011
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.839 -0.004 0.000
y -0.004 4.856 0.000
z 0.000 0.000 2.215


<r2> (average value of r2) Å2
<r2> 39.400
(<r2>)1/2 6.277

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-148.776473
Energy at 298.15K 
HF Energy-148.776473
Nuclear repulsion energy59.681954
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 3666 3499 57.30      
2 A1 2394 2285 133.67      
3 A1 1662 1586 61.15      
4 A1 1150 1097 10.58      
5 B1 549 524 0.82      
6 B1 409i 391i 334.89      
7 B2 3782 3609 79.38      
8 B2 1161 1108 4.68      
9 B2 419 400 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 7186.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 6859.0 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
11.23798 0.34292 0.33277

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 -1.103
H4 0.000 0.863 -1.614
H5 0.000 -0.863 -1.614

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15681.32302.02602.0260
N21.15682.47983.11193.1119
N31.32302.47981.00221.0022
H42.02603.11191.00221.7253
H52.02603.11191.00221.7253

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.599 C1 N3 H5 120.599
N2 C1 N3 180.000 H4 N3 H5 118.801
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 0.375      
2 N -0.327      
3 N -0.830      
4 H 0.391      
5 H 0.391      


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 -4.879 4.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.559 0.000 0.000
y 0.000 -14.568 0.000
z 0.000 0.000 -17.495
Traceless
 xyz
x -2.527 0.000 0.000
y 0.000 3.458 0.000
z 0.000 0.000 -0.932
Polar
3z2-r2-1.863
x2-y2-3.990
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.770 0.000 0.000
y 0.000 2.144 0.000
z 0.000 0.000 4.886


<r2> (average value of r2) Å2
<r2> 39.308
(<r2>)1/2 6.270