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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-186.653143
Energy at 298.15K 
HF Energy-186.653143
Nuclear repulsion energy91.320344
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3124 3105 6.23 100.42 0.59 0.74
2 A' 2993 2975 16.33 111.80 0.13 0.24
3 A' 2213 2200 13.98 156.20 0.31 0.47
4 A' 1642 1632 19.77 43.73 0.26 0.41
5 A' 1431 1422 6.44 23.49 0.48 0.65
6 A' 1167 1160 9.68 3.79 0.74 0.85
7 A' 948 942 4.82 2.20 0.06 0.12
8 A' 598 595 2.89 3.44 0.26 0.42
9 A' 241 240 4.29 8.78 0.51 0.68
10 A" 1021 1015 17.90 0.14 0.75 0.86
11 A" 752 748 0.78 5.49 0.75 0.86
12 A" 350 348 5.51 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8239.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8191.5 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/cc-pVDZ
ABC
2.25182 0.17545 0.16276

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 -1.574 0.000
N2 -0.596 -0.496 0.000
C3 0.000 0.709 0.000
N4 0.386 1.827 0.000
H5 -0.427 -2.537 0.000
H6 1.222 -1.589 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29092.28613.41231.10401.1097
N21.29091.34392.52162.04882.1221
C32.28611.34391.18283.27422.6030
N43.41232.52161.18284.43943.5172
H51.10402.04883.27424.43941.9026
H61.10972.12212.60303.51721.9026

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 120.358 N2 C1 H5 117.412
N2 C1 H6 124.077 N2 C3 N4 172.708
H5 C1 H6 118.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 N -0.124      
3 C 0.044      
4 N -0.131      
5 H 0.068      
6 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.426 -4.038 0.000 4.060
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.191 -2.177 0.000
y -2.177 -23.376 0.000
z 0.000 0.000 -22.476
Traceless
 xyz
x -0.265 -2.177 0.000
y -2.177 -0.542 0.000
z 0.000 0.000 0.807
Polar
3z2-r21.614
x2-y20.185
xy-2.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.622 0.295 0.000
y 0.295 8.547 0.000
z 0.000 0.000 2.285


<r2> (average value of r2) Å2
<r2> 71.593
(<r2>)1/2 8.461