return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CN (cyanamide)

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-148.741027
Energy at 298.15K-148.743253
HF Energy-148.741027
Nuclear repulsion energy59.256527
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 wB97X-D/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' 3621 3448 54.50      
2 A' 2392 2278 134.26      
3 A' 1642 1564 55.95      
4 A' 1116 1063 10.55      
5 A' 545 519 131.41      
6 A' 471 449 154.38      
7 A" 3733 3555 80.74      
8 A" 1190 1134 0.57      
9 A" 408 388 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7558.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 7198.2 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 wB97X-D/6-31+G**
ABC
10.37733 0.33807 0.32961

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
N2 -0.019 1.382 0.000
N3 0.085 -1.122 0.000
H4 -0.232 -1.576 0.847
H5 -0.232 -1.576 -0.847

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16061.34632.00042.0004
N21.16062.50623.08413.0841
N31.34632.50621.01161.0116
H42.00043.08411.01161.6932
H52.00043.08411.01161.6932

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 115.343 C1 N3 H5 115.343
N2 C1 N3 177.304 H4 N3 H5 113.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.421      
2 N -0.424      
3 N -0.681      
4 H 0.342      
5 H 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.974 -4.614 0.000 4.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.809 1.952 0.000
y 1.952 -18.727 0.000
z 0.000 0.000 -15.056
Traceless
 xyz
x -1.917 1.952 0.000
y 1.952 -1.795 0.000
z 0.000 0.000 3.712
Polar
3z2-r27.424
x2-y2-0.082
xy1.952
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.385 -0.067 0.000
y -0.067 5.480 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 39.950
(<r2>)1/2 6.321

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-148.740236
Energy at 298.15K 
HF Energy-148.740236
Nuclear repulsion energy59.369663
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 wB97X-D/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 A1 3671 3496 79.81      
2 A1 2391 2277 164.44      
3 A1 1623 1546 61.64      
4 A1 1144 1089 14.03      
5 B1 524 499 0.37      
6 B1 357i 340i 315.32      
7 B2 3801 3619 112.74      
8 B2 1139 1085 4.70      
9 B2 404 385 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 7169.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6827.8 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 wB97X-D/6-31+G**
ABC
11.10409 0.33926 0.32920

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.221
N2 0.000 0.000 1.384
N3 0.000 0.000 -1.110
H4 0.000 0.868 -1.619
H5 0.000 -0.868 -1.619

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16281.33122.03412.0341
N21.16282.49403.12543.1254
N31.33122.49401.00561.0056
H42.03413.12541.00561.7350
H52.03413.12541.00561.7350

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.386 C1 N3 H5 120.386
N2 C1 N3 180.000 H4 N3 H5 119.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 N -0.428      
3 N -0.718      
4 H 0.351      
5 H 0.351      


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 -4.916 4.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.035 0.000 0.000
y 0.000 -14.852 0.000
z 0.000 0.000 -18.105
Traceless
 xyz
x -2.557 0.000 0.000
y 0.000 3.718 0.000
z 0.000 0.000 -1.161
Polar
3z2-r2-2.323
x2-y2-4.184
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.353 0.000 0.000
y 0.000 2.392 0.000
z 0.000 0.000 5.532


<r2> (average value of r2) Å2
<r2> 39.890
(<r2>)1/2 6.316