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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-148.740280
Energy at 298.15K-148.742510
HF Energy-148.740280
Nuclear repulsion energy58.509580
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 BLYP/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' 3410 3383 19.82      
2 A' 2263 2244 71.35      
3 A' 1620 1607 37.83      
4 A' 1054 1045 5.13      
5 A' 618 613 237.84      
6 A' 467 463 20.39      
7 A" 3497 3469 31.33      
8 A" 1182 1172 0.08      
9 A" 388 385 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7249.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 7190.4 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 BLYP/6-31G*
ABC
9.94336 0.32965 0.32215

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
N2 -0.019 1.397 0.000
N3 0.089 -1.132 0.000
H4 -0.244 -1.592 0.850
H5 -0.244 -1.592 -0.850

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17451.35772.01822.0182
N21.17452.53153.11523.1152
N31.35772.53151.02181.0218
H42.01823.11521.02181.6995
H52.01823.11521.02181.6995

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.298 C1 N3 H5 115.298
N2 C1 N3 177.180 H4 N3 H5 112.524
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.454      
2 N -0.442      
3 N -0.701      
4 H 0.345      
5 H 0.345      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.211 -4.260 0.000 4.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.981 2.156 0.000
y 2.156 -18.157 0.000
z 0.000 0.000 -14.851
Traceless
 xyz
x -1.477 2.156 0.000
y 2.156 -1.741 0.000
z 0.000 0.000 3.218
Polar
3z2-r26.436
x2-y20.176
xy2.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.637 0.073 0.000
y 0.073 5.006 0.000
z 0.000 0.000 2.166


<r2> (average value of r2) Å2
<r2> 40.284
(<r2>)1/2 6.347

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-148.738441
Energy at 298.15K 
HF Energy-148.738441
Nuclear repulsion energy58.691410
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 BLYP/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 3507 3479 46.20      
2 A1 2265 2247 98.00      
3 A1 1596 1583 47.26      
4 A1 1096 1087 9.53      
5 B1 498 494 0.07      
6 B1 460i 457i 311.15      
7 B2 3610 3581 63.67      
8 B2 1107 1099 3.90      
9 B2 386 383 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 6802.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 6747.7 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 BLYP/6-31G*
ABC
10.97089 0.33150 0.32178

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.220
N2 0.000 0.000 1.401
N3 0.000 0.000 -1.121
H4 0.000 0.873 -1.641
H5 0.000 -0.873 -1.641

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18141.34112.05522.0552
N21.18142.52253.16473.1647
N31.34112.52251.01591.0159
H42.05523.16471.01591.7462
H52.05523.16471.01591.7462

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.750 C1 N3 H5 120.750
N2 C1 N3 180.000 H4 N3 H5 118.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.485      
2 N -0.444      
3 N -0.743      
4 H 0.352      
5 H 0.352      


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 -4.716 4.716
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.308 0.000 0.000
y 0.000 -14.516 0.000
z 0.000 0.000 -17.171
Traceless
 xyz
x -2.464 0.000 0.000
y 0.000 3.223 0.000
z 0.000 0.000 -0.759
Polar
3z2-r2-1.517
x2-y2-3.792
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.512 0.000 0.000
y 0.000 2.097 0.000
z 0.000 0.000 5.026


<r2> (average value of r2) Å2
<r2> 40.151
(<r2>)1/2 6.336