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

using model chemistry: B2PLYP=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-302.807626
Energy at 298.15K 
HF Energy-302.540053
Nuclear repulsion energy158.785362
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=FULL/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 A1 3080 2921 94.12 108.96 0.28 0.44
2 A1 1914 1815 25.34 25.29 0.18 0.31
3 A1 1482 1405 0.05 3.25 0.32 0.48
4 A1 1148 1089 111.46 5.41 0.17 0.29
5 A1 537 509 0.65 10.09 0.35 0.52
6 A1 280 265 12.92 0.77 0.51 0.68
7 A2 1031 977 0.00 1.76 0.75 0.86
8 A2 172 163 0.00 0.43 0.75 0.86
9 B1 1037 983 1.06 3.65 0.75 0.86
10 B1 129 122 3.90 0.09 0.75 0.86
11 B2 3058 2900 0.02 2.03 0.75 0.86
12 B2 1836 1742 601.22 2.88 0.75 0.86
13 B2 1426 1352 9.52 10.27 0.75 0.86
14 B2 1095 1039 623.37 2.35 0.75 0.86
15 B2 705 669 38.74 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9464.7 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 8976.3 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=FULL/6-31G*
ABC
1.61239 0.08562 0.08130

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.387
C2 0.000 1.182 -0.323
C3 0.000 -1.182 -0.323
O4 0.000 2.245 0.226
O5 0.000 -2.245 0.226
H6 0.000 1.036 -1.414
H7 0.000 -1.036 -1.414

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37901.37902.25062.25062.07792.0779
C21.37902.36401.19613.47041.10032.4720
C31.37902.36403.47041.19612.47201.1003
O42.25061.19613.47044.48952.03663.6679
O52.25063.47041.19614.48953.66792.0366
H62.07791.10032.47202.03663.66792.0728
H72.07792.47201.10033.66792.03662.0728

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 121.685 O1 C2 H6 113.403
O1 C3 O5 121.685 C2 O1 C3 117.988
O4 C2 H6 124.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability