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

using model chemistry: B2PLYP=FULLultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-185.583010
Energy at 298.15K 
HF Energy-185.438833
Nuclear repulsion energy91.167013
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/3-21G
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' 3235 3235 11.92 85.43 0.54 0.70
2 A' 3110 3110 14.61 85.22 0.15 0.27
3 A' 2197 2197 9.42 107.78 0.32 0.48
4 A' 1661 1661 18.86 11.12 0.26 0.41
5 A' 1545 1545 16.30 36.97 0.40 0.57
6 A' 1243 1243 3.95 5.40 0.74 0.85
7 A' 889 889 3.96 1.51 0.04 0.07
8 A' 611 611 3.05 2.56 0.45 0.62
9 A' 260 260 6.93 8.50 0.53 0.69
10 A" 1116 1116 28.44 0.00 0.75 0.86
11 A" 797 797 0.55 10.24 0.75 0.86
12 A" 400 400 6.50 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8531.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8531.8 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/3-21G
ABC
2.35406 0.17249 0.16071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.100 -1.592 0.000
N2 -0.583 -0.498 0.000
C3 0.000 0.724 0.000
N4 0.390 1.837 0.000
H5 -0.440 -2.530 0.000
H6 1.189 -1.639 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28962.31813.44111.08301.0893
N21.28961.35422.52982.03712.1071
C32.31811.35421.17933.28412.6452
N43.44112.52981.17934.44553.5665
H51.08302.03713.28414.44551.8568
H61.08932.10712.64523.56651.8568

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 122.508 N2 C1 H5 118.062
N2 C1 H6 124.474 N2 C3 N4 173.824
H5 C1 H6 117.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability