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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-148.699697
Energy at 298.15K-148.701758
Nuclear repulsion energy58.376464
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 3518 3492 41.73      
2 A1 2218 2201 92.12      
3 A1 1637 1625 62.28      
4 A1 1083 1074 8.05      
5 B1 471 468 67.50      
6 B1 398 395 370.90      
7 B2 3633 3605 49.91      
8 B2 1139 1130 5.61      
9 B2 375 373 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 7235.6 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 7180.6 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 BLYP/6-31G
ABC
11.01712 0.32750 0.31805

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 0.218
N2 0.000 0.000 1.411
N3 0.000 0.000 -1.127
H4 0.000 0.871 -1.648
H5 0.000 -0.871 -1.648

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.19321.34532.05942.0594
N21.19322.53853.18093.1809
N31.34532.53851.01501.0150
H42.05943.18091.01501.7426
H52.05943.18091.01501.7426

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.866 C1 N3 H5 120.866
N2 C1 N3 180.000 H4 N3 H5 118.267
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 0.210      
2 N -0.204      
3 N -0.681      
4 H 0.338      
5 H 0.338      


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 -4.736 4.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.463 0.000 0.000
y 0.000 -14.608 0.000
z 0.000 0.000 -17.670
Traceless
 xyz
x -2.324 0.000 0.000
y 0.000 3.459 0.000
z 0.000 0.000 -1.135
Polar
3z2-r2-2.269
x2-y2-3.855
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.285 0.000 0.000
y 0.000 1.957 0.000
z 0.000 0.000 5.055


<r2> (average value of r2) Å2
<r2> 40.636
(<r2>)1/2 6.375

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-148.699697
Energy at 298.15K-148.701757
HF Energy-148.699697
Nuclear repulsion energy58.372692
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 3518 3492 41.74      
2 A1 2217 2200 92.02      
3 A1 1637 1625 62.28      
4 A1 1082 1074 8.07      
5 B1 471 468 66.54      
6 B1 396 393 371.97      
7 B2 3633 3605 50.03      
8 B2 1139 1130 5.59      
9 B2 376 373 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 7234.7 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 7179.7 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
11.01114 0.32746 0.31800

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 0.218
N2 0.000 0.000 1.411
N3 0.000 0.000 -1.127
H4 0.000 0.872 -1.648
H5 0.000 -0.872 -1.648

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.19321.34552.05942.0594
N21.19322.53883.18083.1808
N31.34552.53881.01501.0150
H42.05943.18081.01501.7430
H52.05943.18081.01501.7430

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.840 C1 N3 H5 120.840
N2 C1 N3 180.000 H4 N3 H5 118.321
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 0.210      
2 N -0.204      
3 N -0.681      
4 H 0.338      
5 H 0.338      


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 -4.735 4.735
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.463 0.000 0.000
y 0.000 -14.606 0.000
z 0.000 0.000 -17.673
Traceless
 xyz
x -2.324 0.000 0.000
y 0.000 3.462 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.277
x2-y2-3.857
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.285 0.000 0.000
y 0.000 1.957 0.000
z 0.000 0.000 5.055


<r2> (average value of r2) Å2
<r2> 40.640
(<r2>)1/2 6.375