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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-229.390888
Energy at 298.15K-229.398004
Nuclear repulsion energy134.985218
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3269 3020 0.00      
2 Ag 3161 2920 0.00      
3 Ag 1612 1489 0.00      
4 Ag 1550 1432 0.00      
5 Ag 1344 1242 0.00      
6 Ag 1202 1111 0.00      
7 Ag 934 862 0.00      
8 Ag 519 479 0.00      
9 Au 3239 2992 82.43      
10 Au 1563 1444 8.23      
11 Au 1240 1146 2.87      
12 Au 222 205 3.42      
13 Au 21 19 13.48      
14 Bg 3239 2992 0.00      
15 Bg 1563 1444 0.00      
16 Bg 1245 1150 0.00      
17 Bg 279 258 0.00      
18 Bu 3269 3020 38.04      
19 Bu 3157 2917 75.60      
20 Bu 1606 1483 19.20      
21 Bu 1541 1423 11.73      
22 Bu 1245 1150 9.36      
23 Bu 1147 1059 132.45      
24 Bu 323 299 12.60      

Unscaled Zero Point Vibrational Energy (zpe) 19244.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17776.5 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 CID/6-31G*
ABC
1.07670 0.15568 0.14343

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.570 0.000
O2 0.434 -0.570 0.000
C3 0.434 1.678 0.000
C4 -0.434 -1.678 0.000
H5 -0.218 2.547 0.000
H6 1.060 1.679 0.891
H7 1.060 1.679 -0.891
H8 0.218 -2.547 0.000
H9 -1.060 -1.679 0.891
H10 -1.060 -1.679 -0.891

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.43221.40742.24721.98912.06322.06323.18422.49882.4988
O21.43222.24721.40743.18422.49882.49881.98912.06322.0632
C31.40742.24723.46551.08691.08921.08924.23013.78083.7808
C42.24721.40743.46554.23013.78083.78081.08691.08921.0892
H51.98913.18421.08694.23011.78351.78355.11284.40064.4006
H62.06322.49881.08923.78081.78351.78304.40063.97144.3533
H72.06322.49881.08923.78081.78351.78304.40064.35333.9714
H83.18421.98914.23011.08695.11284.40064.40061.78351.7835
H92.49882.06323.78081.08924.40063.97144.35331.78351.7830
H102.49882.06323.78081.08924.40064.35333.97141.78351.7830

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.628 O1 C3 H5 105.055
O1 C3 H6 110.827 O1 C3 H7 110.827
O2 O1 C3 104.628 O2 C4 H8 105.055
O2 C4 H9 110.827 O2 C4 H10 110.827
H5 C3 H6 110.085 H5 C3 H7 110.085
H6 C3 H7 109.871 H8 C4 H9 110.085
H8 C4 H10 110.085 H9 C4 H10 109.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability