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

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-186.872281
Energy at 298.15K 
HF Energy-186.872281
Nuclear repulsion energy92.019643
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 B3LYPultrafine/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' 3212 3092 4.96 93.52 0.60 0.75
2 A' 3086 2971 16.04 98.29 0.15 0.26
3 A' 2302 2216 39.68 228.27 0.27 0.42
4 A' 1705 1641 29.07 64.75 0.20 0.33
5 A' 1508 1452 12.25 29.27 0.42 0.59
6 A' 1227 1181 9.35 4.43 0.73 0.84
7 A' 959 924 6.64 1.68 0.07 0.13
8 A' 617 594 3.26 3.93 0.27 0.43
9 A' 250 240 6.13 10.72 0.55 0.71
10 A" 1092 1052 21.46 0.75 0.75 0.86
11 A" 772 744 1.09 5.64 0.75 0.86
12 A" 365 351 7.84 0.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8547.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 8228.7 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 B3LYPultrafine/6-31+G**
ABC
2.25937 0.17816 0.16514

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 -1.563 0.000
N2 -0.600 -0.492 0.000
C3 0.000 0.711 0.000
N4 0.404 1.806 0.000
H5 -0.426 -2.515 0.000
H6 1.195 -1.573 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28052.27603.38321.08801.0936
N21.28051.34372.50782.03062.0955
C32.27601.34371.16793.25352.5774
N43.38322.50781.16794.40033.4710
H51.08802.03063.25354.40031.8745
H61.09362.09552.57743.47101.8745

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 120.275 N2 C1 H5 117.807
N2 C1 H6 123.731 N2 C3 N4 173.703
H5 C1 H6 118.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 N -0.239      
3 C 0.427      
4 N -0.443      
5 H 0.164      
6 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.576 -4.553 0.000 4.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.181 -2.756 0.000
y -2.756 -24.207 0.000
z 0.000 0.000 -23.105
Traceless
 xyz
x -0.525 -2.756 0.000
y -2.756 -0.564 0.000
z 0.000 0.000 1.089
Polar
3z2-r22.178
x2-y20.026
xy-2.756
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.160 0.415 0.000
y 0.415 9.019 0.000
z 0.000 0.000 2.953


<r2> (average value of r2) Å2
<r2> 71.241
(<r2>)1/2 8.440