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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 2 yes C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at PBE1PBE/6-31G**
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

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 3489 73.20      
2 A1 2399 2287 125.82      
3 A1 1645 1568 59.96      
4 A1 1159 1104 9.74      
5 B1 534 509 1.24      
6 B1 432i 412i 346.25      
7 B2 3776 3599 97.05      
8 B2 1149 1095 5.41      
9 B2 413 394 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 7151.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 6816.4 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