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

using model chemistry: B2PLYP=FULLultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP=FULLultrafine/Def2TZVPP
 hartrees
Energy at 0K-186.811397
Energy at 298.15K 
HF Energy-186.559609
Nuclear repulsion energy92.427479
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 B2PLYP=FULLultrafine/Def2TZVPP
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' 3221 3221 4.06 81.53 0.58 0.73
2 A' 3098 3098 15.99 99.95 0.12 0.21
3 A' 2246 2246 22.99 185.86 0.26 0.42
4 A' 1687 1687 23.49 43.92 0.21 0.34
5 A' 1512 1512 16.12 28.47 0.37 0.54
6 A' 1236 1236 9.96 3.40 0.74 0.85
7 A' 951 951 6.12 1.49 0.06 0.12
8 A' 632 632 4.19 3.16 0.19 0.32
9 A' 254 254 5.84 8.79 0.51 0.67
10 A" 1105 1105 18.15 0.44 0.75 0.86
11 A" 781 781 1.23 3.26 0.75 0.86
12 A" 375 375 8.49 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8548.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8548.6 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 B2PLYP=FULLultrafine/Def2TZVPP
ABC
2.21259 0.18072 0.16707

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 -1.551 0.000
N2 -0.612 -0.486 0.000
C3 0.000 0.708 0.000
N4 0.430 1.788 0.000
H5 -0.433 -2.499 0.000
H6 1.176 -1.554 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27522.26083.35651.08201.0871
N21.27521.34192.50172.02092.0830
C32.26081.34191.16263.23602.5494
N43.35652.50171.16264.37303.4242
H51.08202.02093.23604.37301.8658
H61.08712.08302.54943.42421.8658

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 119.484 N2 C1 H5 117.808
N2 C1 H6 123.518 N2 C3 N4 174.567
H5 C1 H6 118.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability