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

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-186.676635
Energy at 298.15K 
HF Energy-185.825755
Nuclear repulsion energy92.435638
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 MP2=FULL/cc-pVQZ
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' 3266 3126 2.12 73.36 0.58 0.73
2 A' 3135 3001 12.37 97.06 0.10 0.18
3 A' 2197 2103 11.58 145.45 0.25 0.39
4 A' 1687 1615 13.19 29.81 0.18 0.30
5 A' 1515 1450 14.50 22.42 0.38 0.55
6 A' 1242 1189 9.68 2.24 0.75 0.86
7 A' 954 913 6.72 1.55 0.03 0.06
8 A' 621 594 3.43 2.11 0.15 0.27
9 A' 248 237 6.10 6.73 0.50 0.66
10 A" 1105 1058 19.10 0.25 0.75 0.86
11 A" 783 750 0.66 2.22 0.75 0.86
12 A" 364 348 8.59 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8558.7 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 8191.5 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 MP2=FULL/cc-pVQZ
ABC
2.13802 0.18221 0.16790

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 -1.542 0.000
N2 -0.629 -0.486 0.000
C3 0.000 0.701 0.000
N4 0.448 1.780 0.000
H5 -0.425 -2.492 0.000
H6 1.170 -1.526 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27552.24433.34191.07871.0840
N21.27551.34262.50872.01642.0780
C32.24431.34261.16893.22062.5154
N43.34192.50871.16894.36043.3842
H51.07872.01643.22064.36041.8648
H61.08402.07802.51543.38421.8648

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 117.993 N2 C1 H5 117.614
N2 C1 H6 123.245 N2 C3 N4 174.628
H5 C1 H6 119.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability