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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: B3LYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-186.887196
Energy at 298.15K 
HF Energy-186.887196
Nuclear repulsion energy92.024940
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 B3LYP/daug-cc-pVDZ
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' 3200 3200 4.12 86.94 0.60 0.75
2 A' 3070 3070 16.29 108.91 0.09 0.17
3 A' 2293 2293 34.36 240.44 0.23 0.37
4 A' 1694 1694 26.71 66.68 0.21 0.35
5 A' 1492 1492 14.33 25.19 0.38 0.55
6 A' 1217 1217 10.59 2.86 0.66 0.79
7 A' 954 954 5.79 2.09 0.07 0.13
8 A' 629 629 4.42 5.12 0.16 0.27
9 A' 253 253 5.94 8.72 0.45 0.62
10 A" 1104 1104 19.51 0.90 0.75 0.86
11 A" 774 774 1.33 1.87 0.75 0.86
12 A" 368 368 7.87 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8524.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8524.3 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 B3LYP/daug-cc-pVDZ
ABC
2.24630 0.17841 0.16528

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.562 0.000
N2 -0.603 -0.490 0.000
C3 0.000 0.711 0.000
N4 0.411 1.803 0.000
H5 -0.433 -2.516 0.000
H6 1.194 -1.571 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28042.27543.38001.09171.0968
N21.28041.34402.50732.03352.0967
C32.27541.34401.16683.25652.5752
N43.38002.50731.16684.40143.4636
H51.09172.03353.25654.40141.8820
H61.09682.09672.57523.46361.8820

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 120.209 N2 C1 H5 117.800
N2 C1 H6 123.583 N2 C3 N4 173.960
H5 C1 H6 118.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.782      
2 N 0.747      
3 C 0.403      
4 N -0.344      
5 H -0.820      
6 H -0.768      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.461 -4.527 0.000 4.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.099 -2.681 0.000
y -2.681 -24.128 0.000
z 0.000 0.000 -23.099
Traceless
 xyz
x -0.485 -2.681 0.000
y -2.681 -0.529 0.000
z 0.000 0.000 1.014
Polar
3z2-r22.028
x2-y20.029
xy-2.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.712 0.342 0.000
y 0.342 9.170 0.000
z 0.000 0.000 3.735


<r2> (average value of r2) Å2
<r2> 71.163
(<r2>)1/2 8.436