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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-307.598844
Energy at 298.15K-307.607979
Nuclear repulsion energy243.999185
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 B3LYP/SDD
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 3224 3099 0.18      
2 A1 3193 3070 28.70      
3 A1 3035 2918 10.35      
4 A1 1666 1601 238.95      
5 A1 1523 1464 7.19      
6 A1 1497 1439 16.21      
7 A1 1439 1383 13.80      
8 A1 1205 1158 0.47      
9 A1 1118 1075 1.39      
10 A1 834 802 40.51      
11 A1 477 458 0.42      
12 A1 250 240 7.40      
13 A2 3121 3000 0.00      
14 A2 1510 1451 0.00      
15 A2 1153 1108 0.00      
16 A2 662 636 0.00      
17 A2 224 215 0.00      
18 A2 122 118 0.00      
19 B1 3122 3001 102.21      
20 B1 1509 1451 26.06      
21 B1 1158 1113 0.04      
22 B1 814 782 151.86      
23 B1 649 624 1.80      
24 B1 238 229 0.29      
25 B1 96 92 16.51      
26 B2 3321 3193 11.51      
27 B2 3193 3070 16.79      
28 B2 3035 2918 76.55      
29 B2 1517 1459 17.89      
30 B2 1491 1433 33.03      
31 B2 1323 1272 442.79      
32 B2 1193 1147 33.44      
33 B2 1034 994 107.59      
34 B2 903 868 0.49      
35 B2 545 524 0.74      
36 B2 354 341 10.23      

Unscaled Zero Point Vibrational Energy (zpe) 25873.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 24871.8 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 B3LYP/SDD
ABC
0.29583 0.07290 0.05983

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.443
C2 0.000 0.000 0.085
H3 0.000 0.923 2.007
H4 0.000 -0.923 2.007
O5 0.000 1.106 -0.742
O6 0.000 -1.106 -0.742
C7 0.000 2.423 -0.118
C8 0.000 -2.423 -0.118
H9 0.000 3.132 -0.948
H10 0.000 -3.132 -0.948
H11 -0.898 2.565 0.499
H12 0.898 2.565 0.499
H13 0.898 -2.565 0.499
H14 -0.898 -2.565 0.499

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.35771.08211.08212.44842.44842.88172.88173.93953.93952.87682.87682.87682.8768
C21.35772.13222.13221.38091.38092.43112.43113.29743.29742.74892.74892.74892.7489
H31.08212.13221.84662.75473.41672.60053.96363.68865.01712.40322.40323.90503.9050
H41.08212.13221.84663.41672.75473.96362.60055.01713.68863.90503.90502.40322.4032
O52.44841.38092.75473.41672.21241.45683.58352.03584.24272.11502.11503.97783.9778
O62.44841.38093.41672.75472.21243.58351.45684.24272.03583.97783.97782.11502.1150
C72.88172.43112.60053.96361.45683.58354.84521.09145.61581.09851.09855.10525.1052
C82.88172.43113.96362.60053.58351.45684.84525.61581.09145.10525.10521.09851.0985
H93.93953.29743.68865.01712.03584.24271.09145.61586.26301.79431.79435.94555.9455
H103.93953.29745.01713.68864.24272.03585.61581.09146.26305.94555.94551.79431.7943
H112.87682.74892.40323.90502.11503.97781.09855.10521.79435.94551.79585.43525.1300
H122.87682.74892.40323.90502.11503.97781.09855.10521.79435.94551.79585.13005.4352
H132.87682.74893.90502.40323.97782.11505.10521.09855.94551.79435.43525.13001.7958
H142.87682.74893.90502.40323.97782.11505.10521.09855.94551.79435.13005.43521.7958

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 126.771 C1 C2 O6 126.771
C2 C1 H3 121.431 C2 C1 H4 121.431
C2 O5 C7 117.875 C2 O6 C8 117.875
H3 C1 H4 117.138 O5 C2 O6 106.458
O5 C7 H9 105.153 O5 C7 H11 110.948
O5 C7 H12 110.948 O6 C8 H10 105.153
O6 C8 H13 110.948 O6 C8 H14 110.948
H9 C7 H11 110.039 H9 C7 H12 110.039
H10 C8 H13 110.039 H10 C8 H14 110.039
H11 C7 H12 109.638 H13 C8 H14 109.638
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.674      
2 C 0.449      
3 H 0.211      
4 H 0.211      
5 O -0.282      
6 O -0.282      
7 C -0.469      
8 C -0.469      
9 H 0.234      
10 H 0.234      
11 H 0.210      
12 H 0.210      
13 H 0.210      
14 H 0.210      


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 2.125 2.125
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.584 0.000 0.000
y 0.000 -23.694 0.000
z 0.000 0.000 -40.318
Traceless
 xyz
x -6.578 0.000 0.000
y 0.000 15.757 0.000
z 0.000 0.000 -9.179
Polar
3z2-r2-18.358
x2-y2-14.889
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.812 0.000 0.000
y 0.000 8.945 0.000
z 0.000 0.000 7.785


<r2> (average value of r2) Å2
<r2> 194.571
(<r2>)1/2 13.949