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

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-186.460549
Energy at 298.15K 
HF Energy-185.765588
Nuclear repulsion energy92.183373
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/6-31G(2df,p)
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' 3281 3084 2.96 67.34 0.59 0.74
2 A' 3154 2964 8.97 78.00 0.12 0.22
3 A' 2216 2083 8.04 107.39 0.28 0.44
4 A' 1687 1586 15.52 19.77 0.21 0.35
5 A' 1519 1428 10.60 22.33 0.41 0.58
6 A' 1240 1166 8.50 3.14 0.75 0.85
7 A' 954 896 5.94 1.32 0.01 0.02
8 A' 632 594 4.54 1.37 0.25 0.39
9 A' 257 241 5.93 6.33 0.51 0.67
10 A" 1100 1034 18.16 0.10 0.75 0.86
11 A" 801 753 1.21 4.86 0.75 0.86
12 A" 412 387 9.54 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8626.7 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 8108.3 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/6-31G(2df,p)
ABC
2.12491 0.18126 0.16701

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.080 -1.546 0.000
N2 -0.631 -0.483 0.000
C3 0.000 0.703 0.000
N4 0.458 1.783 0.000
H5 -0.436 -2.499 0.000
H6 1.168 -1.544 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27952.25033.35061.08341.0881
N21.27951.34282.51382.02552.0890
C32.25031.34281.17343.23102.5322
N43.35062.51381.17344.37413.4019
H51.08342.02553.23104.37411.8670
H61.08812.08902.53223.40191.8670

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 118.199 N2 C1 H5 117.771
N2 C1 H6 123.649 N2 C3 N4 174.941
H5 C1 H6 118.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability