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

using model chemistry: MP2=FULL/aug-cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-186.376618
Energy at 298.15K 
HF Energy-185.768728
Nuclear repulsion energy91.100508
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-pVDZ
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' 3267 3166 2.94 77.04 0.58 0.73
2 A' 3127 3031 13.61 104.30 0.09 0.16
3 A' 2145 2079 8.70 165.31 0.22 0.37
4 A' 1658 1607 9.51 32.03 0.15 0.26
5 A' 1496 1450 12.29 24.40 0.33 0.50
6 A' 1222 1184 8.96 1.93 0.74 0.85
7 A' 933 905 5.84 2.29 0.02 0.05
8 A' 609 590 2.03 2.54 0.11 0.20
9 A' 244 236 5.98 6.83 0.48 0.65
10 A" 1083 1049 20.84 0.45 0.75 0.86
11 A" 768 744 0.34 1.58 0.75 0.86
12 A" 348 337 7.40 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8449.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 8189.3 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/aug-cc-pVDZ
ABC
2.05656 0.17750 0.16339

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.095 -1.560 0.000
N2 -0.641 -0.495 0.000
C3 0.000 0.706 0.000
N4 0.450 1.808 0.000
H5 -0.419 -2.525 0.000
H6 1.193 -1.536 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.29402.26743.38631.09301.0985
N21.29401.36162.54852.04152.1090
C32.26741.36161.19033.25742.5395
N43.38632.54851.19034.41873.4257
H51.09302.04153.25744.41871.8907
H61.09852.10902.53953.42571.8907

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 117.239 N2 C1 H5 117.320
N2 C1 H6 123.433 N2 C3 N4 174.090
H5 C1 H6 119.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability