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

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-302.409493
Energy at 298.15K 
HF Energy-301.559948
Nuclear repulsion energy160.086161
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 CCD/6-311G**
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 3078 2940 87.27      
2 A1 1968 1880 24.25      
3 A1 1495 1428 0.44      
4 A1 1190 1136 122.42      
5 A1 557 532 0.86      
6 A1 290 277 14.00      
7 A2 1055 1008 0.00      
8 A2 170 162 0.00      
9 B1 1059 1012 1.44      
10 B1 122 117 4.03      
11 B2 3053 2916 0.08      
12 B2 1894 1809 659.25      
13 B2 1443 1379 20.29      
14 B2 1148 1097 636.05      
15 B2 723 691 44.20      

Unscaled Zero Point Vibrational Energy (zpe) 9623.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 9191.6 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 CCD/6-311G**
ABC
1.63512 0.08713 0.08272

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.394
C2 0.000 1.170 -0.318
C3 0.000 -1.170 -0.318
O4 0.000 2.226 0.217
O5 0.000 -2.226 0.217
H6 0.000 1.019 -1.409
H7 0.000 -1.019 -1.409

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.36961.36962.23322.23322.07092.0709
C21.36962.33981.18383.43791.10152.4455
C31.36962.33983.43791.18382.44551.1015
O42.23321.18383.43794.45232.02503.6292
O52.23323.43791.18384.45233.62922.0250
H62.07091.10152.44552.02503.62922.0373
H72.07092.44551.10153.62922.02502.0373

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 121.830 O1 C2 H6 113.434
O1 C3 O5 121.830 C2 O1 C3 117.348
O4 C2 H6 124.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability