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All results from a given calculation for H2COO (Dioxymethyl radical)

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-189.307322
Energy at 298.15K-189.309945
HF Energy-188.629825
Nuclear repulsion energy71.132348
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/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' 3343 3118 0.76      
2 A' 3209 2993 8.55      
3 A' 1628 1518 57.03      
4 A' 1457 1359 21.73      
5 A' 1284 1198 29.80      
6 A' 856 798 333.61      
7 A' 534 498 9.38      
8 A" 1027 958 33.33      
9 A" 725 677 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 7031.8 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 6557.9 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/cc-pVTZ
ABC
2.74538 0.42871 0.37081

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.455 0.000
C2 1.051 -0.199 0.000
H3 0.990 -1.273 0.000
H4 1.959 0.373 0.000
O5 -1.157 -0.194 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.23801.99211.96041.3262
C21.23801.07581.07332.2072
H31.99211.07581.91032.4026
H41.96041.07331.91033.1663
O51.32622.20722.40263.1663

picture of Dioxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 118.686 O1 C2 H4 115.846
C2 O1 O5 118.771 H3 C2 H4 125.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability