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All results from a given calculation for C4H8O2 (Ethene, 1,1-dimethoxy-)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-307.595592
Energy at 298.15K-307.605024
Nuclear repulsion energy249.715282
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 B3PW91/6-311G*
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 3209 3089 0.18      
2 A1 3159 3041 26.92      
3 A1 3024 2911 8.24      
4 A1 1705 1641 268.17      
5 A1 1527 1470 6.21      
6 A1 1499 1443 14.16      
7 A1 1430 1376 10.41      
8 A1 1243 1197 3.22      
9 A1 1192 1148 0.27      
10 A1 902 869 42.74      
11 A1 508 489 0.57      
12 A1 270 260 4.72      
13 A2 3088 2973 0.00      
14 A2 1506 1450 0.00      
15 A2 1188 1144 0.00      
16 A2 676 651 0.00      
17 A2 255 246 0.00      
18 A2 136 131 0.00      
19 B1 3089 2974 86.40      
20 B1 1506 1449 19.91      
21 B1 1192 1148 1.22      
22 B1 720 693 96.94      
23 B1 683 658 10.22      
24 B1 277 267 0.04      
25 B1 103 99 9.45      
26 B2 3290 3167 6.26      
27 B2 3159 3041 17.94      
28 B2 3023 2910 72.35      
29 B2 1523 1466 16.33      
30 B2 1503 1447 60.78      
31 B2 1360 1309 495.90      
32 B2 1228 1182 14.59      
33 B2 1084 1044 102.87      
34 B2 953 917 1.00      
35 B2 564 543 0.31      
36 B2 383 368 7.97      

Unscaled Zero Point Vibrational Energy (zpe) 26076.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 25103.7 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 B3PW91/6-311G*
ABC
0.30533 0.07734 0.06320

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.415
C2 0.000 0.000 0.073
H3 0.000 0.921 1.979
H4 0.000 -0.921 1.979
O5 0.000 1.077 -0.732
O6 0.000 -1.077 -0.732
C7 0.000 2.345 -0.113
C8 0.000 -2.345 -0.113
H9 0.000 3.073 -0.923
H10 0.000 -3.073 -0.923
H11 -0.894 2.485 0.505
H12 0.894 2.485 0.505
H13 0.894 -2.485 0.505
H14 -0.894 -2.485 0.505

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34181.07991.07992.40202.40202.79912.79913.86113.86112.79352.79352.79352.7935
C21.34182.11672.11671.34471.34472.35272.35273.23023.23022.67622.67622.67622.6762
H31.07992.11671.84182.71573.36772.53093.87873.61294.93672.32792.32793.81763.8176
H41.07992.11671.84183.36772.71573.87872.53094.93673.61293.81763.81762.32792.3279
O52.40201.34472.71573.36772.15371.41153.47772.00494.15392.07672.07673.87533.8753
O62.40201.34473.36772.71572.15373.47771.41154.15392.00493.87533.87532.07672.0767
C72.79912.35272.53093.87871.41153.47774.69061.08885.47821.09551.09554.95134.9513
C82.79912.35273.87872.53093.47771.41154.69065.47821.08884.95134.95131.09551.0955
H93.86113.23023.61294.93672.00494.15391.08885.47826.14531.78411.78415.80775.8077
H103.86113.23024.93673.61294.15392.00495.47821.08886.14535.80775.80771.78411.7841
H112.79352.67622.32793.81762.07673.87531.09554.95131.78415.80771.78735.28224.9706
H122.79352.67622.32793.81762.07673.87531.09554.95131.78415.80771.78734.97065.2822
H132.79352.67623.81762.32793.87532.07674.95131.09555.80771.78415.28224.97061.7873
H142.79352.67623.81762.32793.87532.07674.95131.09555.80771.78414.97065.28221.7873

picture of Ethene, 1,1-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O5 126.791 C1 C2 O6 126.791
C2 C1 H3 121.488 C2 C1 H4 121.488
C2 O5 C7 117.190 C2 O6 C8 117.190
H3 C1 H4 117.024 O5 C2 O6 106.417
O5 C7 H9 105.898 O5 C7 H11 111.242
O5 C7 H12 111.242 O6 C8 H10 105.898
O6 C8 H13 111.242 O6 C8 H14 111.242
H9 C7 H11 109.531 H9 C7 H12 109.531
H10 C8 H13 109.531 H10 C8 H14 109.531
H11 C7 H12 109.329 H13 C8 H14 109.329
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.703      
2 C 0.471      
3 H 0.229      
4 H 0.229      
5 O -0.301      
6 O -0.301      
7 C -0.499      
8 C -0.499      
9 H 0.238      
10 H 0.238      
11 H 0.224      
12 H 0.224      
13 H 0.224      
14 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.138 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.501 0.000 0.000
y 0.000 -26.167 0.000
z 0.000 0.000 -39.234
Traceless
 xyz
x -5.800 0.000 0.000
y 0.000 12.700 0.000
z 0.000 0.000 -6.900
Polar
3z2-r2-13.800
x2-y2-12.333
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 186.001
(<r2>)1/2 13.638