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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.808410
Energy at 298.15K 
HF Energy-186.551308
Nuclear repulsion energy92.440550
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/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' 3220 3220 3.19 80.09 0.59 0.74
2 A' 3097 3097 15.80 95.91 0.10 0.19
3 A' 2246 2246 26.77 212.91 0.24 0.38
4 A' 1687 1687 23.51 53.30 0.18 0.31
5 A' 1510 1510 16.74 26.15 0.36 0.53
6 A' 1235 1235 10.28 2.94 0.68 0.81
7 A' 953 953 6.38 1.99 0.08 0.15
8 A' 630 630 4.29 3.96 0.15 0.26
9 A' 254 254 6.12 8.44 0.47 0.64
10 A" 1102 1102 18.89 1.02 0.75 0.86
11 A" 779 779 1.27 2.04 0.75 0.86
12 A" 372 372 8.56 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8541.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8541.6 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/6-311+G(3df,2p)
ABC
2.22576 0.18059 0.16704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.552 0.000
N2 -0.610 -0.487 0.000
C3 0.000 0.708 0.000
N4 0.425 1.790 0.000
H5 -0.431 -2.500 0.000
H6 1.179 -1.555 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27512.26143.35831.08231.0875
N21.27511.34072.50022.02162.0831
C32.26141.34071.16243.23662.5514
N43.35832.50021.16244.37433.4288
H51.08232.02163.23664.37431.8661
H61.08752.08312.55143.42881.8661

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 119.632 N2 C1 H5 117.854
N2 C1 H6 123.499 N2 C3 N4 174.386
H5 C1 H6 118.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability