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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-186.714703
Energy at 298.15K 
HF Energy-186.509972
Nuclear repulsion energy91.694855
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=FULL/aug-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' 3236 3113 3.36 82.88 0.59 0.74
2 A' 3103 2985 15.41 105.43 0.09 0.17
3 A' 2228 2143 23.13 216.00 0.24 0.38
4 A' 1676 1612 21.28 52.29 0.19 0.32
5 A' 1495 1438 15.55 26.13 0.35 0.52
6 A' 1221 1174 9.66 2.68 0.69 0.81
7 A' 944 908 5.52 2.09 0.06 0.11
8 A' 622 598 3.29 4.16 0.14 0.25
9 A' 250 241 5.95 8.44 0.47 0.64
10 A" 1095 1053 19.61 0.84 0.75 0.86
11 A" 770 740 0.91 1.96 0.75 0.86
12 A" 360 347 7.75 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8500.5 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 8175.8 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=FULL/aug-cc-pVDZ
ABC
2.15870 0.17837 0.16476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.096 -1.560 0.000
N2 -0.620 -0.492 0.000
C3 0.000 0.709 0.000
N4 0.428 1.803 0.000
H5 -0.426 -2.518 0.000
H6 1.193 -1.553 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28562.27023.37911.09151.0967
N21.28561.35122.52312.03542.1006
C32.27021.35121.17533.25462.5570
N43.37912.52311.17534.40483.4423
H51.09152.03543.25464.40481.8847
H61.09672.10062.55703.44231.8847

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 118.833 N2 C1 H5 117.561
N2 C1 H6 123.512 N2 C3 N4 174.043
H5 C1 H6 118.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability