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

using model chemistry: B2PLYP=FULLultrafine/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-303.023067
Energy at 298.15K 
HF Energy-302.659363
Nuclear repulsion energy159.703577
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/6-311+G(3df,2p)
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 3047 3047 67.94 123.24 0.26 0.41
2 A1 1888 1888 25.93 46.70 0.16 0.27
3 A1 1452 1452 0.14 4.49 0.37 0.54
4 A1 1140 1140 98.81 2.95 0.08 0.15
5 A1 537 537 0.38 10.05 0.22 0.35
6 A1 279 279 13.83 0.63 0.34 0.51
7 A2 1025 1025 0.00 0.53 0.75 0.86
8 A2 178 178 0.00 0.47 0.75 0.86
9 B1 1033 1033 0.00 1.53 0.75 0.86
10 B1 131 131 4.84 0.08 0.75 0.86
11 B2 3025 3025 2.16 0.37 0.75 0.86
12 B2 1809 1809 684.55 2.47 0.75 0.86
13 B2 1397 1397 7.35 4.43 0.75 0.86
14 B2 1070 1070 703.13 2.25 0.75 0.86
15 B2 712 712 47.82 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9360.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9360.2 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/6-311+G(3df,2p)
ABC
1.62838 0.08661 0.08223

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.386
C2 0.000 1.177 -0.321
C3 0.000 -1.177 -0.321
O4 0.000 2.231 0.224
O5 0.000 -2.231 0.224
H6 0.000 1.031 -1.408
H7 0.000 -1.031 -1.408

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.37311.37312.23712.23712.06992.0699
C21.37312.35401.18663.45151.09702.4616
C31.37312.35403.45151.18662.46161.0970
O42.23711.18663.45154.46242.02563.6481
O52.23713.45151.18664.46243.64812.0256
H62.06991.09702.46162.02563.64812.0629
H72.06992.46161.09703.64812.02562.0629

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 121.674 O1 C2 H6 113.373
O1 C3 O5 121.674 C2 O1 C3 118.001
O4 C2 H6 124.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability