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

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-186.756633
Energy at 298.15K 
HF Energy-186.756633
Nuclear repulsion energy91.475328
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 B97D3/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' 3138 3112 9.47 101.08 0.58 0.74
2 A' 3008 2982 20.89 110.73 0.14 0.24
3 A' 2221 2202 15.79 160.43 0.31 0.47
4 A' 1641 1627 21.55 45.52 0.26 0.41
5 A' 1451 1438 6.93 26.52 0.46 0.63
6 A' 1183 1173 10.07 3.81 0.74 0.85
7 A' 943 935 5.01 1.89 0.04 0.08
8 A' 606 600 3.10 3.44 0.27 0.42
9 A' 244 242 4.40 8.83 0.51 0.68
10 A" 1033 1025 16.08 0.15 0.75 0.86
11 A" 755 749 0.83 5.57 0.75 0.86
12 A" 352 349 5.96 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8286.5 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 8216.0 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 B97D3/cc-pVDZ
ABC
2.23888 0.17627 0.16340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 -1.571 0.000
N2 -0.600 -0.494 0.000
C3 0.000 0.709 0.000
N4 0.393 1.821 0.000
H5 -0.426 -2.532 0.000
H6 1.215 -1.584 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28912.28203.40331.10001.1057
N21.28911.34442.51922.04482.1170
C32.28201.34441.17953.26832.5948
N43.40332.51921.17954.42883.5025
H51.10002.04483.26834.42881.8948
H61.10572.11702.59483.50251.8948

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 120.105 N2 C1 H5 117.501
N2 C1 H6 124.080 N2 C3 N4 172.973
H5 C1 H6 118.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 N -0.143      
3 C 0.058      
4 N -0.139      
5 H 0.058      
6 H 0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.428 -4.103 0.000 4.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.167 -2.256 0.000
y -2.256 -23.345 0.000
z 0.000 0.000 -22.359
Traceless
 xyz
x -0.315 -2.256 0.000
y -2.256 -0.582 0.000
z 0.000 0.000 0.897
Polar
3z2-r21.794
x2-y20.178
xy-2.256
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.610 0.301 0.000
y 0.301 8.509 0.000
z 0.000 0.000 2.281


<r2> (average value of r2) Å2
<r2> 71.321
(<r2>)1/2 8.445