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

using model chemistry: SVWN/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-185.887165
Energy at 298.15K 
HF Energy-185.887165
Nuclear repulsion energy92.689127
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 SVWN/aug-cc-pVTZ
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' 3106 3082 1.49 93.63 0.59 0.74
2 A' 2981 2957 13.63 126.91 0.10 0.18
3 A' 2256 2239 26.65 228.75 0.24 0.39
4 A' 1689 1676 23.37 60.56 0.23 0.38
5 A' 1436 1424 10.56 16.63 0.46 0.63
6 A' 1175 1165 12.90 2.46 0.72 0.84
7 A' 983 975 5.79 3.98 0.01 0.01
8 A' 610 605 5.72 5.70 0.18 0.31
9 A' 239 237 5.89 9.58 0.44 0.61
10 A" 1037 1029 21.67 0.71 0.75 0.86
11 A" 755 750 2.11 1.38 0.75 0.86
12 A" 357 354 7.77 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8311.7 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 8246.0 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 SVWN/aug-cc-pVTZ
ABC
2.40497 0.17942 0.16697

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.562 0.000
N2 -0.575 -0.480 0.000
C3 0.000 0.705 0.000
N4 0.394 1.800 0.000
H5 -0.464 -2.507 0.000
H6 1.191 -1.591 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27052.26903.37611.09531.1010
N21.27051.31692.47722.03032.0863
C32.26901.31691.16383.24542.5862
N43.37612.47721.16384.39173.4833
H51.09532.03033.24544.39171.8916
H61.10102.08632.58623.48331.8916

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 122.538 N2 C1 H5 118.031
N2 C1 H6 123.056 N2 C3 N4 173.885
H5 C1 H6 118.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 N -0.032      
3 C 0.129      
4 N -0.411      
5 H 0.346      
6 H 0.364      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.372 -4.438 0.000 4.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.798 -2.437 0.000
y -2.437 -24.105 0.000
z 0.000 0.000 -23.001
Traceless
 xyz
x -0.245 -2.437 0.000
y -2.437 -0.706 0.000
z 0.000 0.000 0.950
Polar
3z2-r21.901
x2-y20.307
xy-2.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.753 0.408 0.000
y 0.408 9.460 0.000
z 0.000 0.000 3.737


<r2> (average value of r2) Å2
<r2> 70.580
(<r2>)1/2 8.401