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All results from a given calculation for CH2CHO (Vinyloxy radical)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-152.816730
Energy at 298.15K-152.819300
HF Energy-152.313672
Nuclear repulsion energy64.090306
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/6-31G(2df,p)
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' 3380 3177 0.60      
2 A' 3245 3050 1.23      
3 A' 2966 2788 111.97      
4 A' 2017 1896 467.31      
5 A' 1488 1399 13.15      
6 A' 1453 1365 8.75      
7 A' 1149 1080 56.92      
8 A' 954 896 8.79      
9 A' 501 471 14.30      
10 A" 1091 1026 6.38      
11 A" 684 643 36.00      
12 A" 369 346 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 9647.7 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 9067.9 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 MP2=FULL/6-31G(2df,p)
ABC
2.32147 0.38101 0.32730

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
H2 0.404 1.457 0.000
C3 1.025 -0.610 0.000
O4 -1.168 0.207 0.000
H5 2.073 -0.356 0.000
H6 0.717 -1.644 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.10881.45591.18802.21492.1884
H21.10882.15782.00792.46393.1159
C31.45592.15782.34051.07851.0785
O41.18802.00792.34053.28982.6421
H52.21492.46391.07853.28981.8701
H62.18843.11591.07852.64211.8701

picture of Vinyloxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.121 C1 C3 H6 118.661
H2 C1 C3 113.886 H2 C1 O4 121.862
C3 C1 O4 124.253 H5 C3 H6 120.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability