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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: LSDA/cc-pVTZ

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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-148.031654
Energy at 298.15K-148.033831
Nuclear repulsion energy59.539275
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 LSDA/cc-pVTZ
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' 3485 3447 54.63      
2 A' 2333 2307 110.53      
3 A' 1547 1530 50.63      
4 A' 1123 1111 8.66      
5 A' 525 519 25.43      
6 A' 431 426 212.40      
7 A" 3579 3540 85.02      
8 A" 1125 1113 0.91      
9 A" 406 402 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7276.5 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 7197.2 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 LSDA/cc-pVTZ
ABC
10.40834 0.34275 0.33372

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.215 0.000
N2 -0.012 1.375 0.000
N3 0.071 -1.107 0.000
H4 -0.206 -1.582 0.856
H5 -0.206 -1.582 -0.856

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16101.32382.00062.0006
N21.16102.48433.08503.0850
N31.32382.48431.01701.0170
H42.00063.08501.01701.7111
H52.00063.08501.01701.7111

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 116.841 C1 N3 H5 116.841
N2 C1 N3 177.526 H4 N3 H5 114.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074      
2 N -0.103      
3 N -0.201      
4 H 0.189      
5 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.809 -4.719 0.000 4.788
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.527 1.577 0.000
y 1.577 -18.190 0.000
z 0.000 0.000 -15.034
Traceless
 xyz
x -1.914 1.577 0.000
y 1.577 -1.410 0.000
z 0.000 0.000 3.324
Polar
3z2-r26.648
x2-y2-0.336
xy1.577
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.376 0.009 0.000
y 0.009 5.357 0.000
z 0.000 0.000 2.681


<r2> (average value of r2) Å2
<r2> 39.470
(<r2>)1/2 6.283

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-148.031156
Energy at 298.15K 
HF Energy-148.031156
Nuclear repulsion energy59.618620
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 LSDA/cc-pVTZ
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 3530 3491 73.19      
2 A1 2334 2309 126.29      
3 A1 1536 1519 57.67      
4 A1 1142 1129 8.98      
5 B1 524 518 0.19      
6 B1 323i 319i 240.53      
7 B2 3639 3599 108.46      
8 B2 1085 1073 3.15      
9 B2 403 399 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 6934.5 cm-1
Scaled (by 0.9891) 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 LSDA/cc-pVTZ
ABC
11.00196 0.34350 0.33310

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.215
N2 0.000 0.000 1.377
N3 0.000 0.000 -1.100
H4 0.000 0.872 -1.615
H5 0.000 -0.872 -1.615

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16201.31532.02762.0276
N21.16202.47733.11703.1170
N31.31532.47731.01281.0128
H42.02763.11701.01281.7438
H52.02763.11701.01281.7438

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.585 C1 N3 H5 120.585
N2 C1 N3 180.000 H4 N3 H5 118.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 N -0.112      
3 N -0.212      
4 H 0.195      
5 H 0.195      


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 -4.957 4.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.714 0.000 0.000
y 0.000 -14.865 0.000
z 0.000 0.000 -17.703
Traceless
 xyz
x -2.430 0.000 0.000
y 0.000 3.344 0.000
z 0.000 0.000 -0.914
Polar
3z2-r2-1.828
x2-y2-3.850
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.332 0.000 0.000
y 0.000 2.642 0.000
z 0.000 0.000 5.357


<r2> (average value of r2) Å2
<r2> 39.442
(<r2>)1/2 6.280