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

using model chemistry: PBEPBE/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 PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-186.667489
Energy at 298.15K 
HF Energy-186.667489
Nuclear repulsion energy91.395736
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 PBEPBE/daug-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' 3130 3130 4.79 95.11 0.60 0.75
2 A' 2997 2997 18.68 123.88 0.10 0.17
3 A' 2200 2200 20.02 231.89 0.23 0.38
4 A' 1636 1636 17.17 62.30 0.22 0.35
5 A' 1443 1443 9.51 23.10 0.41 0.58
6 A' 1172 1172 9.98 2.56 0.69 0.82
7 A' 943 943 5.33 3.23 0.00 0.00
8 A' 603 603 3.27 6.02 0.17 0.30
9 A' 243 243 5.24 9.14 0.44 0.61
10 A" 1046 1046 21.12 0.67 0.75 0.86
11 A" 751 751 1.01 1.49 0.75 0.86
12 A" 347 347 6.20 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8254.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8254.1 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 PBEPBE/daug-cc-pVDZ
ABC
2.27591 0.17536 0.16282

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.112 -1.577 0.000
N2 -0.593 -0.495 0.000
C3 0.000 0.709 0.000
N4 0.384 1.827 0.000
H5 -0.428 -2.534 0.000
H6 1.217 -1.588 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29082.28873.41441.09971.1052
N21.29081.34222.51892.04612.1139
C32.28871.34221.18173.27202.5997
N43.41442.51891.18174.43643.5149
H51.09972.04613.27204.43641.8982
H61.10522.11392.59973.51491.8982

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 120.731 N2 C1 H5 117.506
N2 C1 H6 123.656 N2 C3 N4 172.769
H5 C1 H6 118.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.479      
2 N 0.555      
3 C 0.882      
4 N -0.570      
5 H -0.703      
6 H -0.642      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.452 -4.372 0.000 4.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.949 -2.458 0.000
y -2.458 -24.151 0.000
z 0.000 0.000 -23.118
Traceless
 xyz
x -0.314 -2.458 0.000
y -2.458 -0.618 0.000
z 0.000 0.000 0.932
Polar
3z2-r21.863
x2-y20.202
xy-2.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.867 0.355 0.000
y 0.355 9.705 0.000
z 0.000 0.000 3.827


<r2> (average value of r2) Å2
<r2> 72.012
(<r2>)1/2 8.486