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

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-186.798433
Energy at 298.15K 
HF Energy-186.798433
Nuclear repulsion energy92.352833
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 B1B95/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' 3228 3103 4.91 89.35 0.60 0.75
2 A' 3099 2979 12.78 98.20 0.13 0.22
3 A' 2352 2261 30.60 160.67 0.30 0.46
4 A' 1737 1669 33.81 48.95 0.25 0.40
5 A' 1483 1426 10.07 21.56 0.48 0.65
6 A' 1217 1169 10.93 3.72 0.75 0.86
7 A' 979 941 5.01 1.03 0.02 0.04
8 A' 629 604 4.04 2.53 0.26 0.41
9 A' 250 241 5.08 8.46 0.52 0.69
10 A" 1088 1046 16.48 0.16 0.75 0.86
11 A" 782 752 1.22 6.19 0.75 0.86
12 A" 377 362 7.62 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8609.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 8275.7 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 B1B95/cc-pVDZ
ABC
2.19658 0.18086 0.16710

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.549 0.000
N2 -0.614 -0.486 0.000
C3 0.000 0.706 0.000
N4 0.428 1.789 0.000
H5 -0.436 -2.507 0.000
H6 1.189 -1.555 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27472.25683.35421.09341.0984
N21.27471.34122.50202.02822.0961
C32.25681.34121.16383.24252.5554
N43.35422.50201.16384.38133.4296
H51.09342.02823.24254.38131.8831
H61.09842.09612.55543.42961.8831

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 119.222 N2 C1 H5 117.639
N2 C1 H6 123.911 N2 C3 N4 174.344
H5 C1 H6 118.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 N -0.172      
3 C 0.071      
4 N -0.143      
5 H 0.071      
6 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.437 -4.217 0.000 4.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.269 -2.438 0.000
y -2.438 -23.152 0.000
z 0.000 0.000 -22.380
Traceless
 xyz
x -0.504 -2.438 0.000
y -2.438 -0.327 0.000
z 0.000 0.000 0.831
Polar
3z2-r21.662
x2-y2-0.118
xy-2.438
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.522 0.325 0.000
y 0.325 7.924 0.000
z 0.000 0.000 2.241


<r2> (average value of r2) Å2
<r2> 70.029
(<r2>)1/2 8.368