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

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-186.476501
Energy at 298.15K 
HF Energy-185.803855
Nuclear repulsion energy92.076709
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/TZVP
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' 3271 3117 4.76 79.10 0.58 0.74
2 A' 3138 2990 13.36 98.52 0.13 0.24
3 A' 2193 2089 9.78 127.41 0.25 0.40
4 A' 1683 1603 10.38 19.65 0.15 0.26
5 A' 1535 1462 11.47 28.62 0.36 0.53
6 A' 1259 1200 7.41 3.59 0.74 0.85
7 A' 947 902 6.98 1.16 0.06 0.12
8 A' 621 592 1.54 1.63 0.29 0.45
9 A' 248 237 5.90 8.13 0.58 0.74
10 A" 1101 1049 19.61 0.31 0.75 0.86
11 A" 777 740 0.43 4.73 0.75 0.86
12 A" 352 335 8.90 0.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8563.0 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 8158.0 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 MP2=FULL/TZVP
ABC
2.07915 0.18156 0.16698

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 -1.543 0.000
N2 -0.640 -0.487 0.000
C3 0.000 0.702 0.000
N4 0.460 1.782 0.000
H5 -0.423 -2.498 0.000
H6 1.173 -1.529 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.28092.24643.34581.08201.0879
N21.28091.35022.52142.02302.0915
C32.24641.35021.17383.22802.5212
N43.34582.52141.17384.37013.3875
H51.08202.02303.22804.37011.8666
H61.08792.09152.52123.38751.8666

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 117.225 N2 C1 H5 117.525
N2 C1 H6 123.790 N2 C3 N4 174.772
H5 C1 H6 118.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability