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

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31G
 hartrees
Energy at 0K-302.602567
Energy at 298.15K 
HF Energy-302.401937
Nuclear repulsion energy155.523829
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/6-31G
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 3099 3099 83.29 127.03 0.28 0.44
2 A1 1782 1782 18.79 19.88 0.16 0.27
3 A1 1464 1464 0.42 3.72 0.29 0.45
4 A1 1052 1052 98.00 8.59 0.19 0.32
5 A1 507 507 0.62 14.77 0.39 0.56
6 A1 251 251 12.23 0.90 0.59 0.74
7 A2 1010 1010 0.00 2.37 0.75 0.86
8 A2 159 159 0.00 0.84 0.75 0.86
9 B1 1019 1019 0.01 2.90 0.75 0.86
10 B1 126 126 1.87 0.07 0.75 0.86
11 B2 3083 3083 1.32 4.46 0.75 0.86
12 B2 1699 1699 534.85 2.22 0.75 0.86
13 B2 1421 1421 2.48 14.64 0.75 0.86
14 B2 1018 1018 656.54 2.39 0.75 0.86
15 B2 674 674 47.44 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9182.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9182.0 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/6-31G
ABC
1.56200 0.08172 0.07766

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.378
C2 0.000 1.218 -0.335
C3 0.000 -1.218 -0.335
O4 0.000 2.294 0.240
O5 0.000 -2.294 0.240
H6 0.000 1.086 -1.423
H7 0.000 -1.086 -1.423

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.41101.41102.29802.29802.10312.1031
C21.41102.43521.22013.55821.09572.5479
C31.41102.43523.55821.22012.54791.0957
O42.29801.22013.55824.58762.05483.7670
O52.29803.55821.22014.58763.76702.0548
H62.10311.09572.54792.05483.76702.1729
H72.10312.54791.09573.76702.05482.1729

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 121.542 O1 C2 H6 113.475
O1 C3 O5 121.542 C2 O1 C3 119.299
O4 C2 H6 124.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability