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All results from a given calculation for C2H4O3 (1,2,3-trioxolane)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-303.286580
Energy at 298.15K-303.293096
HF Energy-302.445323
Nuclear repulsion energy192.493955
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/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' 3201 3049 27.09      
2 A' 3110 2962 43.71      
3 A' 1515 1443 0.12      
4 A' 1345 1281 0.10      
5 A' 1246 1186 2.07      
6 A' 1030 981 32.32      
7 A' 961 916 9.01      
8 A' 872 831 0.36      
9 A' 861 820 2.06      
10 A' 706 673 1.89      
11 A' 408 388 4.31      
12 A" 3184 3033 0.12      
13 A" 3098 2951 24.92      
14 A" 1498 1427 0.29      
15 A" 1352 1288 0.34      
16 A" 1225 1167 0.00      
17 A" 1160 1105 0.09      
18 A" 1052 1002 0.85      
19 A" 748 712 24.01      
20 A" 677 644 19.33      
21 A" 115 109 4.32      

Unscaled Zero Point Vibrational Energy (zpe) 14681.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 13984.4 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/cc-pVDZ
ABC
0.27329 0.25029 0.14699

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.561 -1.046 0.000
O2 0.139 -0.490 1.106
O3 0.139 -0.490 -1.106
C4 0.139 0.896 0.779
C5 0.139 0.896 -0.779
H6 1.052 1.324 1.217
H7 1.052 1.324 -1.217
H8 -0.755 1.408 1.177
H9 -0.755 1.408 -1.177

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42221.42222.20582.20583.11443.11442.72772.7277
O21.42222.21261.42412.34012.03443.08602.09923.1006
O31.42222.21262.34011.42413.08602.03443.10062.0992
C42.20581.42412.34011.55831.09962.23641.10402.2104
C52.20582.34011.42411.55832.23641.09962.21041.1040
H63.11442.03443.08601.09962.23642.43371.80923.0000
H73.11443.08602.03442.23641.09962.43373.00001.8092
H82.72772.09923.10061.10402.21041.80923.00002.3533
H92.72773.10062.09922.21041.10403.00001.80922.3533

picture of 1,2,3-trioxolane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 101.607 O1 O3 C5 101.607
O2 O1 O3 102.138 O2 C4 C5 103.282
O2 C4 H6 106.731 O2 C4 H8 111.641
O3 C5 C4 103.282 O3 C5 H7 106.731
O3 C5 H9 111.641 C4 C5 H7 113.456
C4 C5 H9 111.103 C5 C4 H6 113.456
C5 C4 H8 111.103 H6 C4 H8 110.368
H7 C5 H9 110.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability