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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: mPW1PW91/6-31G*

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 mPW1PW91/6-31G*
 hartrees
Energy at 0K-148.738349
Energy at 298.15K-148.740632
Nuclear repulsion energy59.264132
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 mPW1PW91/6-31G*
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' 3591 3406 42.94      
2 A' 2400 2276 99.13      
3 A' 1672 1586 50.28      
4 A' 1121 1063 6.59      
5 A' 601 570 240.83      
6 A' 494 468 59.41      
7 A" 3691 3500 60.51      
8 A" 1215 1152 0.56      
9 A" 416 394 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7600.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 7207.6 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 mPW1PW91/6-31G*
ABC
10.27507 0.33825 0.33017

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
N2 -0.031 1.381 0.000
N3 0.098 -1.120 0.000
H4 -0.233 -1.570 0.842
H5 -0.233 -1.570 -0.842

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16341.34161.99091.9909
N21.16342.50433.07623.0762
N31.34162.50431.01101.0110
H41.99093.07621.01101.6849
H51.99093.07621.01101.6849

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.881 C1 N3 H5 114.881
N2 C1 N3 177.359 H4 N3 H5 112.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.498      
2 N -0.462      
3 N -0.806      
4 H 0.385      
5 H 0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.103 -4.421 0.000 4.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.089 2.105 0.000
y 2.105 -17.992 0.000
z 0.000 0.000 -14.681
Traceless
 xyz
x -1.752 2.105 0.000
y 2.105 -1.607 0.000
z 0.000 0.000 3.359
Polar
3z2-r26.719
x2-y2-0.097
xy2.105
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.592 -0.015 0.000
y -0.015 4.775 0.000
z 0.000 0.000 2.070


<r2> (average value of r2) Å2
<r2> 39.521
(<r2>)1/2 6.287

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-148.737007
Energy at 298.15K 
HF Energy-148.737007
Nuclear repulsion energy59.403906
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 mPW1PW91/6-31G*
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 3664 3475 71.79      
2 A1 2399 2275 126.56      
3 A1 1650 1565 59.64      
4 A1 1157 1097 9.87      
5 B1 534 506 1.29      
6 B1 431i 408i 346.71      
7 B2 3779 3584 95.54      
8 B2 1151 1092 5.42      
9 B2 413 392 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 7158.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 6788.0 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 mPW1PW91/6-31G*
ABC
11.16662 0.33972 0.32969

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

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 1.384
N3 0.000 0.000 -1.108
H4 0.000 0.865 -1.620
H5 0.000 -0.865 -1.620

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16511.32682.03192.0319
N21.16512.49193.12563.1256
N31.32682.49191.00531.0053
H42.03193.12561.00531.7309
H52.03193.12561.00531.7309

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.586 C1 N3 H5 120.586
N2 C1 N3 180.000 H4 N3 H5 118.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.525      
2 N -0.463      
3 N -0.848      
4 H 0.393      
5 H 0.393      


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 -4.805 4.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.315 0.000 0.000
y 0.000 -14.394 0.000
z 0.000 0.000 -17.191
Traceless
 xyz
x -2.522 0.000 0.000
y 0.000 3.358 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.672
x2-y2-3.920
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.500 0.000 0.000
y 0.000 2.015 0.000
z 0.000 0.000 4.797


<r2> (average value of r2) Å2
<r2> 39.419
(<r2>)1/2 6.278