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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-147.975693
Energy at 298.15K-147.978122
HF Energy-147.975693
Nuclear repulsion energy60.225544
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 HF/Def2TZVPP
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' 3774 3420 56.95      
2 A' 2578 2337 144.61      
3 A' 1771 1605 44.23      
4 A' 1149 1041 7.68      
5 A' 673 610 185.33      
6 A' 540 490 77.98      
7 A" 3873 3511 77.32      
8 A" 1310 1187 0.07      
9 A" 472 428 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 8069.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 7314.5 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 HF/Def2TZVPP
ABC
10.54398 0.34829 0.33992

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.227 0.000
N2 -0.059 1.354 0.000
N3 0.118 -1.106 0.000
H4 -0.204 -1.548 0.831
H5 -0.204 -1.548 -0.831

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.12931.33811.97001.9700
N21.12932.46703.02233.0223
N31.33812.46700.99450.9945
H41.97003.02230.99451.6619
H51.97003.02230.99451.6619

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.446 C1 N3 H5 114.446
N2 C1 N3 177.964 H4 N3 H5 113.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.181      
2 N -0.190      
3 N -0.416      
4 H 0.212      
5 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.875 -4.590 0.000 4.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.585 2.001 0.000
y 2.001 -18.875 0.000
z 0.000 0.000 -15.139
Traceless
 xyz
x -1.578 2.001 0.000
y 2.001 -2.013 0.000
z 0.000 0.000 3.591
Polar
3z2-r27.181
x2-y20.290
xy2.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.354 -0.080 0.000
y -0.080 4.853 0.000
z 0.000 0.000 2.584


<r2> (average value of r2) Å2
<r2> 39.069
(<r2>)1/2 6.251

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-147.974223
Energy at 298.15K 
HF Energy-147.974223
Nuclear repulsion energy60.404102
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 HF/Def2TZVPP
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 3838 3479 85.01      
2 A1 2566 2326 186.87      
3 A1 1754 1590 52.43      
4 A1 1187 1076 14.99      
5 B1 603 547 4.72      
6 B1 457i 414i 286.22      
7 B2 3966 3595 115.24      
8 B2 1244 1128 2.23      
9 B2 467 423 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 7583.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6874.1 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 HF/Def2TZVPP
ABC
11.44394 0.35044 0.34003

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.226
N2 0.000 0.000 1.357
N3 0.000 0.000 -1.095
H4 0.000 0.854 -1.592
H5 0.000 -0.854 -1.592

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.13101.32062.00832.0083
N21.13102.45163.06983.0698
N31.32062.45160.98810.9881
H42.00833.06980.98811.7081
H52.00833.06980.98811.7081

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.197 C1 N3 H5 120.197
N2 C1 N3 180.000 H4 N3 H5 119.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.216      
2 N -0.199      
3 N -0.477      
4 H 0.230      
5 H 0.230      


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 -4.927 4.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.746 0.000 0.000
y 0.000 -14.901 0.000
z 0.000 0.000 -18.252
Traceless
 xyz
x -2.169 0.000 0.000
y 0.000 3.598 0.000
z 0.000 0.000 -1.428
Polar
3z2-r2-2.857
x2-y2-3.845
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.315 0.000 0.000
y 0.000 2.531 0.000
z 0.000 0.000 4.878


<r2> (average value of r2) Å2
<r2> 38.950
(<r2>)1/2 6.241