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

using model chemistry: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-186.590320
Energy at 298.15K 
HF Energy-185.818877
Nuclear repulsion energy93.016289
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 MP3=FULL/aug-cc-pVTZ
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' 3246 3246 2.39      
2 A' 3148 3148 9.99      
3 A' 2424 2424 36.17      
4 A' 1756 1756 22.83      
5 A' 1532 1532 15.58      
6 A' 1258 1258 10.88      
7 A' 976 976 5.36      
8 A' 651 651 4.34      
9 A' 264 264 6.30      
10 A" 1131 1131 19.14      
11 A" 808 808 1.01      
12 A" 394 394 9.72      

Unscaled Zero Point Vibrational Energy (zpe) 8794.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8794.0 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 MP3=FULL/aug-cc-pVTZ
ABC
2.15805 0.18433 0.16983

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 -1.533 0.000
N2 -0.625 -0.486 0.000
C3 0.000 0.706 0.000
N4 0.441 1.766 0.000
H5 -0.417 -2.486 0.000
H6 1.172 -1.517 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.26742.24143.31821.07811.0833
N21.26741.34572.49112.01072.0714
C32.24141.34571.14783.21912.5133
N43.31822.49111.14784.33743.3636
H51.07812.01073.21914.33741.8605
H61.08332.07142.51333.36361.8605

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 118.101 N2 C1 H5 117.800
N2 C1 H6 123.383 N2 C3 N4 174.934
H5 C1 H6 118.817
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability