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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: B3PW91/TZVP

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 B3PW91/TZVP
Rotational Constants (cm-1) from geometry optimized at B3PW91/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-148.778452
Energy at 298.15K 
HF Energy-148.778452
Nuclear repulsion energy59.638774
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 B3PW91/TZVP
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 3629 3500 70.21      
2 A1 2372 2288 141.49      
3 A1 1617 1559 59.01      
4 A1 1141 1100 12.88      
5 B1 537 518 0.72      
6 B1 348i 336i 298.52      
7 B2 3744 3611 100.47      
8 B2 1139 1098 3.82      
9 B2 416 401 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7123.4 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 6869.1 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 B3PW91/TZVP
ABC
11.17244 0.34261 0.33242

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.219
N2 0.000 0.000 1.377
N3 0.000 0.000 -1.104
H4 0.000 0.865 -1.614
H5 0.000 -0.865 -1.614

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15781.32322.02702.0270
N21.15782.48103.11353.1135
N31.32322.48101.00421.0042
H42.02703.11351.00421.7304
H52.02703.11351.00421.7304

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.509 C1 N3 H5 120.509
N2 C1 N3 180.000 H4 N3 H5 118.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.092      
2 N -0.204      
3 N -0.453      
4 H 0.282      
5 H 0.282      


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 -4.870 4.870
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.762 0.000 0.000
y 0.000 -14.761 0.000
z 0.000 0.000 -17.973
Traceless
 xyz
x -2.395 0.000 0.000
y 0.000 3.607 0.000
z 0.000 0.000 -1.212
Polar
3z2-r2-2.424
x2-y2-4.001
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.120 0.000 0.000
y 0.000 2.326 0.000
z 0.000 0.000 5.346


<r2> (average value of r2) Å2
<r2> 39.521
(<r2>)1/2 6.287