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All results from a given calculation for CHOOCHO (diformyl ether)

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-302.936473
Energy at 298.15K 
HF Energy-302.624327
Nuclear repulsion energy159.322240
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 B2PLYP=FULLultrafine/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3042 3042 96.54 124.39 0.27 0.43
2 A1 1900 1900 26.07 25.30 0.19 0.32
3 A1 1457 1457 0.01 3.75 0.33 0.49
4 A1 1139 1139 115.63 4.35 0.20 0.34
5 A1 534 534 0.38 10.20 0.34 0.50
6 A1 278 278 13.28 0.79 0.45 0.62
7 A2 1033 1033 0.00 1.51 0.75 0.86
8 A2 177 177 0.00 0.42 0.75 0.86
9 B1 1039 1039 0.55 2.41 0.75 0.86
10 B1 128 128 4.20 0.14 0.75 0.86
11 B2 3018 3018 0.46 1.47 0.75 0.86
12 B2 1823 1823 639.76 3.25 0.75 0.86
13 B2 1406 1406 8.34 7.92 0.75 0.86
14 B2 1068 1068 649.31 2.07 0.75 0.86
15 B2 709 709 46.99 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9375.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9375.6 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 B2PLYP=FULLultrafine/6-311G**
ABC
1.62512 0.08616 0.08182

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.393
C2 0.000 1.179 -0.320
C3 0.000 -1.179 -0.320
O4 0.000 2.238 0.220
O5 0.000 -2.238 0.220
H6 0.000 1.024 -1.409
H7 0.000 -1.024 -1.409

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37831.37832.24432.24432.07302.0730
C21.37832.35861.18793.45931.10012.4577
C31.37832.35863.45931.18792.45771.1001
O42.24431.18793.45934.47522.03123.6456
O52.24433.45931.18794.47523.64562.0312
H62.07301.10012.45772.03123.64562.0478
H72.07302.45771.10013.64562.03122.0478

picture of diformyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 121.808 O1 C2 H6 113.048
O1 C3 O5 121.808 C2 O1 C3 117.659
O4 C2 H6 125.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability