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All results from a given calculation for CH2CO (Ketene)

using model chemistry: B2PLYP=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-152.557381
Energy at 298.15K-152.558460
HF Energy-152.365905
Nuclear repulsion energy58.630062
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 B2PLYP=FULL/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 A1 3214 3072 28.44 107.35 0.13 0.23
2 A1 2212 2114 564.57 3.52 0.72 0.83
3 A1 1423 1360 17.93 3.42 0.33 0.49
4 A1 1166 1115 3.59 33.11 0.25 0.40
5 B1 595 569 58.60 0.03 0.75 0.86
6 B1 548 524 70.12 4.23 0.75 0.86
7 B2 3308 3162 9.49 52.52 0.75 0.86
8 B2 996 952 5.17 0.06 0.75 0.86
9 B2 441 421 2.48 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6951.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 6644.3 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 B2PLYP=FULL/cc-pVTZ
ABC
9.53275 0.34411 0.33212

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.208
C2 0.000 0.000 0.101
O3 0.000 0.000 1.264
H4 0.000 0.937 -1.735
H5 0.000 -0.937 -1.735

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5
C11.30952.47231.07491.0749
C21.30951.16282.06182.0618
O32.47231.16283.14243.1424
H41.07492.06183.14241.8733
H51.07492.06183.14241.8733

picture of Ketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000 C2 C1 H4 119.376
C2 C1 H5 119.376 H4 C1 H5 121.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability