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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-148.606899
Energy at 298.15K-148.609181
HF Energy-148.606899
Nuclear repulsion energy59.235982
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 PBE1PBE/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' 3588 3410 43.61      
2 A' 2400 2281 98.53      
3 A' 1667 1584 50.41      
4 A' 1122 1067 6.62      
5 A' 601 571 238.12      
6 A' 493 469 61.66      
7 A" 3687 3504 61.54      
8 A" 1212 1152 0.55      
9 A" 416 396 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 7593.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 7216.2 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 PBE1PBE/6-31G*
ABC
10.24651 0.33800 0.32993

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
N2 -0.038 1.382 0.000
N3 0.103 -1.120 0.000
H4 -0.227 -1.571 0.843
H5 -0.227 -1.571 -0.843

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16431.34181.99101.9910
N21.16432.50543.07673.0767
N31.34182.50541.01191.0119
H41.99103.07671.01191.6862
H51.99103.07671.01191.6862

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.818 C1 N3 H5 114.818
N2 C1 N3 177.471 H4 N3 H5 112.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.482      
2 N -0.450      
3 N -0.804      
4 H 0.386      
5 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.086 -4.424 0.000 4.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.142 2.115 0.000
y 2.115 -17.994 0.000
z 0.000 0.000 -14.710
Traceless
 xyz
x -1.790 2.115 0.000
y 2.115 -1.568 0.000
z 0.000 0.000 3.358
Polar
3z2-r26.716
x2-y2-0.148
xy2.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.596 -0.029 0.000
y -0.029 4.783 0.000
z 0.000 0.000 2.077


<r2> (average value of r2) Å2
<r2> 39.558
(<r2>)1/2 6.290

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-148.605531
Energy at 298.15K 
HF Energy-148.605531
Nuclear repulsion energy59.376330
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 PBE1PBE/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 3661 3479 73.20      
2 A1 2399 2280 125.82      
3 A1 1645 1563 59.96      
4 A1 1159 1101 9.74      
5 B1 534 508 1.24      
6 B1 432i 410i 346.25      
7 B2 3776 3588 97.05      
8 B2 1149 1091 5.41      
9 B2 413 393 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 7151.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 6796.4 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 PBE1PBE/6-31G*
ABC
11.14659 0.33947 0.32943

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 1.384
N3 0.000 0.000 -1.108
H4 0.000 0.866 -1.620
H5 0.000 -0.866 -1.620

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16601.32682.03252.0325
N21.16602.49283.12713.1271
N31.32682.49281.00621.0062
H42.03253.12711.00621.7324
H52.03253.12711.00621.7324

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.581 C1 N3 H5 120.581
N2 C1 N3 180.000 H4 N3 H5 118.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.510      
2 N -0.451      
3 N -0.847      
4 H 0.394      
5 H 0.394      


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 -4.808 4.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.353 0.000 0.000
y 0.000 -14.419 0.000
z 0.000 0.000 -17.197
Traceless
 xyz
x -2.545 0.000 0.000
y 0.000 3.356 0.000
z 0.000 0.000 -0.810
Polar
3z2-r2-1.621
x2-y2-3.934
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.502 0.000 0.000
y 0.000 2.020 0.000
z 0.000 0.000 4.806


<r2> (average value of r2) Å2
<r2> 39.457
(<r2>)1/2 6.281