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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: BLYP/3-21G

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 BLYP/3-21G
Rotational Constants (cm-1) from geometry optimized at BLYP/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-147.920754
Energy at 298.15K-147.922858
HF Energy-147.920754
Nuclear repulsion energy58.540765
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 BLYP/3-21G
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 3434 3415 37.11      
2 A1 2224 2212 66.35      
3 A1 1634 1625 57.87      
4 A1 1078 1072 8.42      
5 B1 540 537 11.66      
6 B1 316 315 386.65      
7 B2 3534 3515 48.68      
8 B2 1143 1136 3.72      
9 B2 454 452 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 7178.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7139.0 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 BLYP/3-21G
ABC
10.85430 0.33019 0.32045

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

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 1.405
N3 0.000 0.000 -1.122
H4 0.000 0.878 -1.644
H5 0.000 -0.878 -1.644

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18661.34092.05882.0588
N21.18662.52753.17283.1728
N31.34092.52751.02101.0210
H42.05883.17281.02101.7556
H52.05883.17281.02101.7556

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.713 C1 N3 H5 120.713
N2 C1 N3 180.000 H4 N3 H5 118.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.535      
2 N -0.427      
3 N -0.750      
4 H 0.321      
5 H 0.321      


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 -4.565 4.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.119 0.000 0.000
y 0.000 -14.472 0.000
z 0.000 0.000 -17.169
Traceless
 xyz
x -2.299 0.000 0.000
y 0.000 3.172 0.000
z 0.000 0.000 -0.873
Polar
3z2-r2-1.747
x2-y2-3.647
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.054 0.000 0.000
y 0.000 1.798 0.000
z 0.000 0.000 4.569


<r2> (average value of r2) Å2
<r2> 40.231
(<r2>)1/2 6.343