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

using model chemistry: MP2/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-303.362279
Energy at 298.15K-303.368748
HF Energy-302.469194
Nuclear repulsion energy191.691153
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/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' 3194 3063 20.44      
2 A' 3105 2978 44.74      
3 A' 1511 1449 0.21      
4 A' 1334 1279 0.44      
5 A' 1233 1182 2.18      
6 A' 1003 962 19.75      
7 A' 951 912 19.27      
8 A' 864 828 0.41      
9 A' 849 814 1.31      
10 A' 689 661 1.57      
11 A' 407 390 4.33      
12 A" 3175 3045 0.05      
13 A" 3095 2968 15.40      
14 A" 1493 1432 1.31      
15 A" 1339 1284 0.24      
16 A" 1220 1170 0.00      
17 A" 1146 1099 0.22      
18 A" 1018 976 0.24      
19 A" 730 700 25.60      
20 A" 657 630 21.65      
21 A" 110 106 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 14560.9 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 13963.9 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/aug-cc-pVDZ
ABC
0.27031 0.24868 0.14597

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.566 -1.050 0.000
O2 0.140 -0.492 1.107
O3 0.140 -0.492 -1.107
C4 0.140 0.901 0.780
C5 0.140 0.901 -0.780
H6 1.054 1.326 1.216
H7 1.054 1.326 -1.216
H8 -0.754 1.404 1.181
H9 -0.754 1.404 -1.181

Atom - Atom Distances (Å)
  O1 O2 O3 C4 C5 H6 H7 H8 H9
O11.42681.42682.21622.21623.12233.12232.72972.7297
O21.42682.21431.43112.34552.03803.08882.09803.1036
O31.42682.21432.34551.43113.08882.03803.10362.0980
C42.21621.43112.34551.55961.09802.23611.10192.2133
C52.21622.34551.43111.55962.23611.09802.21331.1019
H63.12232.03803.08881.09802.23612.43291.80953.0036
H73.12233.08882.03802.23611.09802.43293.00361.8095
H82.72972.09803.10361.10192.21331.80953.00362.3624
H92.72973.10362.09802.21331.10193.00361.80952.3624

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 101.697 O1 O3 C5 101.697
O2 O1 O3 101.786 O2 C4 C5 103.223
O2 C4 H6 106.635 O2 C4 H8 111.179
O3 C5 C4 103.223 O3 C5 H7 106.635
O3 C5 H9 111.179 C4 C5 H7 113.430
C4 C5 H9 111.365 C5 C4 H6 113.430
C5 C4 H8 111.365 H6 C4 H8 110.682
H7 C5 H9 110.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability