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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-186.650983
Energy at 298.15K 
HF Energy-186.650983
Nuclear repulsion energy91.663007
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 PBEPBEultrafine/6-31G(2df,p)
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' 3123 3091 6.38 84.04 0.59 0.74
2 A' 3003 2972 15.82 91.28 0.13 0.23
3 A' 2216 2193 14.25 155.07 0.30 0.46
4 A' 1648 1631 20.90 41.03 0.25 0.40
5 A' 1456 1441 7.13 23.91 0.44 0.61
6 A' 1178 1166 9.60 3.93 0.75 0.86
7 A' 947 937 4.79 2.57 0.05 0.09
8 A' 609 603 4.86 3.36 0.24 0.38
9 A' 244 241 4.85 8.43 0.48 0.65
10 A" 1031 1021 18.05 0.12 0.75 0.86
11 A" 762 755 1.41 5.05 0.75 0.86
12 A" 368 364 7.48 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8292.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 8207.0 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 PBEPBEultrafine/6-31G(2df,p)
ABC
2.30573 0.17603 0.16355

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.103 -1.574 0.000
N2 -0.589 -0.490 0.000
C3 0.000 0.710 0.000
N4 0.392 1.821 0.000
H5 -0.441 -2.527 0.000
H6 1.204 -1.600 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28632.28723.40731.09661.1014
N21.28631.33752.51062.04202.1091
C32.28721.33751.17733.26712.6057
N43.40732.51061.17734.42643.5161
H51.09662.04203.26714.42641.8876
H61.10142.10912.60573.51611.8876

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 121.299 N2 C1 H5 117.724
N2 C1 H6 123.914 N2 C3 N4 173.305
H5 C1 H6 118.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 N -0.182      
3 C 0.403      
4 N -0.354      
5 H 0.164      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.386 -4.160 0.000 4.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.013 -2.283 0.000
y -2.283 -23.392 0.000
z 0.000 0.000 -22.328
Traceless
 xyz
x -0.153 -2.283 0.000
y -2.283 -0.721 0.000
z 0.000 0.000 0.874
Polar
3z2-r21.748
x2-y20.379
xy-2.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.763 0.369 0.000
y 0.369 8.591 0.000
z 0.000 0.000 2.564


<r2> (average value of r2) Å2
<r2> 71.256
(<r2>)1/2 8.441