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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B1B95/6-311G**

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 B1B95/6-311G**
 hartrees
Energy at 0K-148.768503
Energy at 298.15K-148.770791
Nuclear repulsion energy59.533296
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 B1B95/6-311G**
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' 3580 3437 42.21      
2 A' 2387 2291 105.47      
3 A' 1631 1566 48.67      
4 A' 1111 1067 8.12      
5 A' 583 559 172.66      
6 A' 495 475 88.50      
7 A" 3676 3529 60.57      
8 A" 1194 1146 0.27      
9 A" 420 403 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 7537.8 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 7237.0 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 B1B95/6-311G**
ABC
10.32169 0.34148 0.33320

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
N2 -0.031 1.374 0.000
N3 0.096 -1.115 0.000
H4 -0.229 -1.565 0.842
H5 -0.229 -1.565 -0.842

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15561.33721.98571.9857
N21.15562.49213.06353.0635
N31.33722.49211.00871.0087
H41.98573.06351.00871.6846
H51.98573.06351.00871.6846

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.936 C1 N3 H5 114.936
N2 C1 N3 177.395 H4 N3 H5 113.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.237      
2 N -0.299      
3 N -0.451      
4 H 0.257      
5 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.986 -4.455 0.000 4.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.188 1.925 0.000
y 1.925 -18.237 0.000
z 0.000 0.000 -14.856
Traceless
 xyz
x -1.642 1.925 0.000
y 1.925 -1.715 0.000
z 0.000 0.000 3.356
Polar
3z2-r26.713
x2-y20.049
xy1.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.883 -0.013 0.000
y -0.013 4.902 0.000
z 0.000 0.000 2.260


<r2> (average value of r2) Å2
<r2> 39.372
(<r2>)1/2 6.275

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-148.764241
Energy at 298.15K 
HF Energy-148.764241
Nuclear repulsion energy59.730943
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 B1B95/6-311G**
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 3659 3513 69.26      
2 A1 2399 2303 133.94      
3 A1 1619 1554 56.98      
4 A1 1148 1102 11.07      
5 B1 543 521 0.75      
6 B1 405i 389i 289.96      
7 B2 3778 3627 97.26      
8 B2 1138 1093 3.55      
9 B2 416 400 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 7147.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 6862.1 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 B1B95/6-311G**
ABC
11.19794 0.34359 0.33336

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

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 1.375
N3 0.000 0.000 -1.103
H4 0.000 0.864 -1.610
H5 0.000 -0.864 -1.610

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15541.32242.02312.0231
N21.15542.47783.10733.1073
N31.32242.47781.00191.0019
H42.02313.10731.00191.7284
H52.02313.10731.00191.7284

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.390 C1 N3 H5 120.390
N2 C1 N3 180.000 H4 N3 H5 119.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 N -0.309      
3 N -0.493      
4 H 0.268      
5 H 0.268      


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 -4.802 4.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.390 0.000 0.000
y 0.000 -14.595 0.000
z 0.000 0.000 -17.546
Traceless
 xyz
x -2.320 0.000 0.000
y 0.000 3.373 0.000
z 0.000 0.000 -1.053
Polar
3z2-r2-2.107
x2-y2-3.795
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.807 0.000 0.000
y 0.000 2.184 0.000
z 0.000 0.000 4.900


<r2> (average value of r2) Å2
<r2> 39.234
(<r2>)1/2 6.264