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

using model chemistry: B2PLYP=FULL/daug-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/daug-cc-pVDZ
 hartrees
Energy at 0K-186.716220
Energy at 298.15K 
HF Energy-186.510795
Nuclear repulsion energy91.711448
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/daug-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' 3234 3234 3.52 82.98 0.59 0.75
2 A' 3101 3101 15.63 107.25 0.09 0.16
3 A' 2228 2228 22.79 218.67 0.22 0.36
4 A' 1676 1676 21.10 51.99 0.19 0.31
5 A' 1497 1497 15.57 26.63 0.35 0.52
6 A' 1223 1223 9.54 2.75 0.67 0.80
7 A' 944 944 5.58 2.11 0.06 0.12
8 A' 623 623 3.31 4.33 0.14 0.24
9 A' 250 250 5.94 8.14 0.45 0.62
10 A" 1103 1103 19.31 0.75 0.75 0.86
11 A" 772 772 0.84 1.82 0.75 0.86
12 A" 362 362 7.74 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8506.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8506.1 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 B2PLYP=FULL/daug-cc-pVDZ
ABC
2.16172 0.17839 0.16479

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 -1.560 0.000
N2 -0.619 -0.492 0.000
C3 0.000 0.708 0.000
N4 0.427 1.803 0.000
H5 -0.424 -2.518 0.000
H6 1.193 -1.553 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28552.27013.37911.09051.0958
N21.28551.35112.52272.03482.0998
C32.27011.35111.17513.25382.5567
N43.37912.52271.17514.40393.4428
H51.09052.03483.25384.40391.8825
H61.09582.09982.55673.44281.8825

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 118.842 N2 C1 H5 117.600
N2 C1 H6 123.527 N2 C3 N4 173.993
H5 C1 H6 118.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability