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

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-186.886258
Energy at 298.15K 
HF Energy-186.886258
Nuclear repulsion energy92.004926
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 B3LYPultrafine/aug-cc-pVDZ
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' 3201 3106 3.90 86.51 0.59 0.74
2 A' 3072 2981 16.09 106.86 0.10 0.18
3 A' 2294 2226 34.79 237.66 0.24 0.39
4 A' 1694 1644 26.94 67.18 0.21 0.35
5 A' 1490 1446 14.29 24.70 0.38 0.55
6 A' 1214 1178 10.75 2.78 0.68 0.81
7 A' 955 926 5.70 2.08 0.06 0.12
8 A' 628 609 4.38 4.89 0.16 0.27
9 A' 254 246 5.93 9.04 0.47 0.64
10 A" 1095 1062 19.74 1.00 0.75 0.86
11 A" 771 748 1.40 2.01 0.75 0.86
12 A" 367 356 7.86 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8515.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 8263.8 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 B3LYPultrafine/aug-cc-pVDZ
ABC
2.24232 0.17839 0.16524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.096 -1.562 0.000
N2 -0.604 -0.490 0.000
C3 0.000 0.711 0.000
N4 0.413 1.803 0.000
H5 -0.436 -2.517 0.000
H6 1.194 -1.571 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28062.27563.38011.09281.0979
N21.28061.34412.50782.03412.0976
C32.27561.34411.16713.25752.5757
N43.38012.50781.16714.40243.4632
H51.09282.03413.25754.40241.8844
H61.09792.09762.57573.46321.8844

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 120.205 N2 C1 H5 117.755
N2 C1 H6 123.571 N2 C3 N4 174.035
H5 C1 H6 118.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.961      
2 N -0.076      
3 C -0.112      
4 N -0.173      
5 H -0.337      
6 H -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.456 -4.525 0.000 4.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.104 -2.684 0.000
y -2.684 -24.152 0.000
z 0.000 0.000 -23.090
Traceless
 xyz
x -0.483 -2.684 0.000
y -2.684 -0.556 0.000
z 0.000 0.000 1.038
Polar
3z2-r22.077
x2-y20.049
xy-2.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.635 0.363 0.000
y 0.363 9.157 0.000
z 0.000 0.000 3.645


<r2> (average value of r2) Å2
<r2> 71.183
(<r2>)1/2 8.437