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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-186.926833
Energy at 298.15K 
HF Energy-186.926833
Nuclear repulsion energy92.522648
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 B3LYP/TZVP
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' 3189 3079 5.70 90.50 0.57 0.73
2 A' 3066 2960 17.67 102.88 0.15 0.26
3 A' 2309 2229 37.49 203.53 0.27 0.43
4 A' 1703 1644 30.55 56.35 0.22 0.36
5 A' 1513 1461 13.53 30.41 0.40 0.58
6 A' 1231 1189 8.70 4.62 0.75 0.86
7 A' 956 923 6.90 1.29 0.09 0.17
8 A' 628 606 3.84 3.57 0.30 0.46
9 A' 254 245 6.07 10.75 0.55 0.71
10 A" 1108 1070 18.97 0.50 0.75 0.86
11 A" 779 752 1.67 5.51 0.75 0.86
12 A" 374 361 9.09 0.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8555.3 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 8259.2 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 B3LYP/TZVP
ABC
2.29437 0.17980 0.16674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 -1.557 0.000
N2 -0.596 -0.485 0.000
C3 0.000 0.712 0.000
N4 0.414 1.793 0.000
H5 -0.445 -2.502 0.000
H6 1.181 -1.581 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27282.27123.36631.08551.0913
N21.27281.33732.49222.02222.0876
C32.27121.33731.15773.24452.5792
N43.36632.49221.15774.38013.4603
H51.08552.02223.24454.38011.8688
H61.09132.08762.57923.46031.8688

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 120.929 N2 C1 H5 117.853
N2 C1 H6 123.840 N2 C3 N4 174.474
H5 C1 H6 118.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.073      
2 N -0.107      
3 C 0.056      
4 N -0.156      
5 H 0.154      
6 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.537 -4.485 0.000 4.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.076 -2.710 0.000
y -2.710 -24.182 0.000
z 0.000 0.000 -22.914
Traceless
 xyz
x -0.527 -2.710 0.000
y -2.710 -0.687 0.000
z 0.000 0.000 1.214
Polar
3z2-r22.429
x2-y20.106
xy-2.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.962 0.377 0.000
y 0.377 8.715 0.000
z 0.000 0.000 2.777


<r2> (average value of r2) Å2
<r2> 70.655
(<r2>)1/2 8.406