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

using model chemistry: MP2=FULL/aug-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/aug-cc-pVQZ
 hartrees
Energy at 0K-186.684732
Energy at 298.15K 
HF Energy-185.826160
Nuclear repulsion energy92.412465
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/aug-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' 3265 3123 1.81 72.58 0.58 0.74
2 A' 3133 2996 12.57 101.69 0.08 0.15
3 A' 2193 2098 13.89 168.27 0.21 0.35
4 A' 1685 1612 13.55 34.30 0.16 0.28
5 A' 1512 1446 14.81 22.23 0.35 0.52
6 A' 1239 1185 9.86 2.04 0.71 0.83
7 A' 954 912 6.93 2.11 0.05 0.09
8 A' 621 594 3.28 2.68 0.11 0.20
9 A' 247 236 6.34 6.54 0.46 0.63
10 A" 1104 1056 19.50 0.47 0.75 0.86
11 A" 784 750 0.62 1.37 0.75 0.86
12 A" 365 350 8.64 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8550.9 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 8178.1 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 MP2=FULL/aug-cc-pVQZ
ABC
2.13938 0.18209 0.16780

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 -1.543 0.000
N2 -0.628 -0.485 0.000
C3 0.000 0.701 0.000
N4 0.449 1.781 0.000
H5 -0.427 -2.493 0.000
H6 1.170 -1.527 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27592.24513.34321.07941.0848
N21.27591.34212.50892.01762.0785
C32.24511.34211.16953.22192.5164
N43.34322.50891.16954.36223.3854
H51.07942.01763.22194.36221.8665
H61.08482.07852.51643.38541.8665

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 118.066 N2 C1 H5 117.634
N2 C1 H6 123.188 N2 C3 N4 174.656
H5 C1 H6 119.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability