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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: HSEh1PBE/6-31+G**

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 HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-148.635150
Energy at 298.15K-148.637382
HF Energy-148.635150
Nuclear repulsion energy59.292097
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 HSEh1PBE/6-31+G**
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' 3608 3445 53.80      
2 A' 2387 2279 132.49      
3 A' 1636 1562 54.21      
4 A' 1123 1072 10.30      
5 A' 542 518 107.14      
6 A' 475 453 171.43      
7 A" 3718 3550 82.66      
8 A" 1185 1132 0.63      
9 A" 412 394 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7542.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7201.7 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 HSEh1PBE/6-31+G**
ABC
9.30453 0.33709 0.33091

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.218 0.000
N2 -0.014 1.382 0.000
N3 0.077 -1.118 0.000
H4 -0.222 -1.577 0.848
H5 -0.222 -1.577 -0.848

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16431.33801.99781.9978
N21.16432.50173.08563.0856
N31.33802.50171.00991.0099
H41.99783.08561.00991.6958
H51.99783.08561.00991.6958

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.914 C1 N3 H5 115.914
N2 C1 N3 177.368 H4 N3 H5 114.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.430      
2 N -0.432      
3 N -0.675      
4 H 0.339      
5 H 0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.332 -4.182 0.000 4.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.828 1.900 0.000
y 1.900 -18.676 0.000
z 0.000 0.000 -15.096
Traceless
 xyz
x -1.942 1.900 0.000
y 1.900 -1.714 0.000
z 0.000 0.000 3.656
Polar
3z2-r27.312
x2-y2-0.152
xy1.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.387 -0.041 0.000
y -0.041 5.519 0.000
z 0.000 0.000 2.483


<r2> (average value of r2) Å2
<r2> 39.911
(<r2>)1/2 6.318

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-148.634386
Energy at 298.15K 
HF Energy-148.634386
Nuclear repulsion energy59.397395
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 HSEh1PBE/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
ABC
11.12857 0.33971 0.32965

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

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 -1.109
H4 0.000 0.867 -1.618
H5 0.000 -0.867 -1.618

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16551.32682.03032.0303
N21.16552.49243.12413.1241
N31.32682.49241.00531.0053
H42.03033.12411.00531.7338
H52.03033.12411.00531.7338

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.420 C1 N3 H5 120.420
N2 C1 N3 180.000 H4 N3 H5 119.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.454      
2 N -0.437      
3 N -0.711      
4 H 0.347      
5 H 0.347      


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 -4.917 4.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.073 0.000 0.000
y 0.000 -14.894 0.000
z 0.000 0.000 -18.060
Traceless
 xyz
x -2.596 0.000 0.000
y 0.000 3.673 0.000
z 0.000 0.000 -1.077
Polar
3z2-r2-2.154
x2-y2-4.180
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.357 0.000 0.000
y 0.000 2.393 0.000
z 0.000 0.000 5.567


<r2> (average value of r2) Å2
<r2> 39.860
(<r2>)1/2 6.314