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

using model chemistry: B3PW91/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 B3PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-186.807533
Energy at 298.15K 
HF Energy-186.807533
Nuclear repulsion energy92.138452
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 B3PW91/daug-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' 3208 3208 4.10 84.14 0.60 0.75
2 A' 3078 3078 16.24 106.40 0.09 0.16
3 A' 2307 2307 34.46 234.46 0.23 0.37
4 A' 1707 1707 27.86 66.54 0.21 0.35
5 A' 1488 1488 13.82 22.08 0.39 0.56
6 A' 1214 1214 10.43 2.81 0.69 0.81
7 A' 966 966 5.51 2.24 0.05 0.09
8 A' 630 630 4.21 4.80 0.16 0.27
9 A' 252 252 5.96 8.65 0.45 0.62
10 A" 1100 1100 19.99 0.88 0.75 0.86
11 A" 775 775 1.31 1.84 0.75 0.86
12 A" 369 369 7.73 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8547.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8547.0 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 B3PW91/daug-cc-pVDZ
ABC
2.23937 0.17913 0.16586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.096 -1.558 0.000
N2 -0.604 -0.488 0.000
C3 0.000 0.709 0.000
N4 0.414 1.800 0.000
H5 -0.436 -2.513 0.000
H6 1.193 -1.568 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27882.26913.37321.09251.0973
N21.27881.34072.50422.03192.0965
C32.26911.34071.16693.25102.5699
N43.37322.50421.16694.39563.4561
H51.09252.03193.25104.39561.8831
H61.09732.09652.56993.45611.8831

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 120.025 N2 C1 H5 117.721
N2 C1 H6 123.661 N2 C3 N4 173.992
H5 C1 H6 118.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.542      
2 N 0.643      
3 C 0.491      
4 N -0.445      
5 H -0.634      
6 H -0.597      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.451 -4.526 0.000 4.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.824 -2.651 0.000
y -2.651 -23.786 0.000
z 0.000 0.000 -22.907
Traceless
 xyz
x -0.477 -2.651 0.000
y -2.651 -0.421 0.000
z 0.000 0.000 0.898
Polar
3z2-r21.796
x2-y2-0.038
xy-2.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.648 0.357 0.000
y 0.357 9.072 0.000
z 0.000 0.000 3.686


<r2> (average value of r2) Å2
<r2> 70.803
(<r2>)1/2 8.414