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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at MP2=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.594461
Energy at 298.15K 
HF Energy-185.811162
Nuclear repulsion energy92.252795
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 MP2=FULL/6-311+G(3df,2p)
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' 3264 3077 1.95 73.26 0.59 0.74
2 A' 3133 2953 12.66 94.33 0.09 0.17
3 A' 2192 2066 13.61 166.54 0.23 0.37
4 A' 1682 1586 13.06 35.33 0.15 0.27
5 A' 1512 1425 14.10 21.87 0.36 0.53
6 A' 1238 1167 9.77 2.20 0.73 0.85
7 A' 956 901 6.85 2.11 0.04 0.08
8 A' 620 585 3.18 2.52 0.13 0.22
9 A' 250 235 6.22 6.85 0.48 0.65
10 A" 1096 1033 20.02 0.55 0.75 0.86
11 A" 782 737 0.68 1.67 0.75 0.86
12 A" 367 346 8.53 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8544.7 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 8055.1 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 MP2=FULL/6-311+G(3df,2p)
ABC
2.14321 0.18127 0.16713

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 -1.546 0.000
N2 -0.627 -0.486 0.000
C3 0.000 0.702 0.000
N4 0.445 1.786 0.000
H5 -0.426 -2.498 0.000
H6 1.174 -1.534 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27812.24993.35131.08121.0866
N21.27811.34342.51232.02132.0832
C32.24991.34341.17173.22782.5252
N43.35132.51231.17174.37123.3987
H51.08122.02133.22784.37121.8680
H61.08662.08322.52523.39871.8680

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 118.216 N2 C1 H5 117.667
N2 C1 H6 123.316 N2 C3 N4 174.510
H5 C1 H6 119.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability