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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-305.829455
Energy at 298.15K-305.839199
Nuclear repulsion energy250.899952
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 HF/cc-pVDZ
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 3371 3061 1.34      
2 A1 3313 3008 35.67      
3 A1 3190 2896 4.97      
4 A1 1832 1663 384.68      
5 A1 1615 1466 4.73      
6 A1 1599 1451 10.91      
7 A1 1531 1390 27.84      
8 A1 1335 1212 8.55      
9 A1 1298 1178 0.12      
10 A1 970 881 54.58      
11 A1 535 486 0.50      
12 A1 283 257 5.62      
13 A2 3266 2966 0.00      
14 A2 1597 1450 0.00      
15 A2 1272 1155 0.00      
16 A2 740 672 0.00      
17 A2 258 234 0.00      
18 A2 145 132 0.00      
19 B1 3267 2966 91.27      
20 B1 1597 1450 13.11      
21 B1 1275 1157 6.04      
22 B1 834 758 113.33      
23 B1 762 692 0.23      
24 B1 273 248 0.47      
25 B1 100 91 11.47      
26 B2 3460 3142 6.53      
27 B2 3312 3008 23.50      
28 B2 3189 2896 68.71      
29 B2 1613 1465 56.41      
30 B2 1609 1461 43.60      
31 B2 1485 1348 612.10      
32 B2 1321 1199 8.06      
33 B2 1167 1060 140.40      
34 B2 1025 931 0.01      
35 B2 604 548 0.00      
36 B2 402 365 7.64      

Unscaled Zero Point Vibrational Energy (zpe) 27721.6 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 25171.3 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 HF/cc-pVDZ
ABC
0.30943 0.07753 0.06349

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.421
C2 0.000 0.000 0.087
H3 0.000 0.921 1.978
H4 0.000 -0.921 1.978
O5 0.000 1.066 -0.708
O6 0.000 -1.066 -0.708
C7 0.000 2.346 -0.136
C8 0.000 -2.346 -0.136
H9 0.000 3.046 -0.967
H10 0.000 -3.046 -0.967
H11 -0.891 2.506 0.473
H12 0.891 2.506 0.473
H13 0.891 -2.506 0.473
H14 -0.891 -2.506 0.473

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.33341.07641.07642.38062.38062.81582.81583.87053.87052.82352.82352.82352.8235
C21.33342.10292.10291.33021.33022.35692.35693.22363.22362.68782.68782.68782.6878
H31.07642.10291.84212.68953.34102.54953.89163.63154.94082.36002.36003.84753.8475
H41.07642.10291.84213.34102.68953.89162.54954.94083.63153.84753.84752.36002.3600
O52.38061.33022.68953.34102.13291.40173.46031.99684.12102.06452.06453.86703.8670
O62.38061.33023.34102.68952.13293.46031.40174.12101.99683.86703.86702.06452.0645
C72.81582.35692.54953.89161.40173.46034.69261.08635.45621.09121.09124.97124.9712
C82.81582.35693.89162.54953.46031.40174.69265.45621.08634.97124.97121.09121.0912
H93.87053.22363.63154.94081.99684.12101.08635.45626.09271.77751.77755.80525.8052
H103.87053.22364.94083.63154.12101.99685.45621.08636.09275.80525.80521.77751.7775
H112.82352.68782.36003.84752.06453.86701.09124.97121.77755.80521.78145.31985.0127
H122.82352.68782.36003.84752.06453.86701.09124.97121.77755.80521.78145.01275.3198
H132.82352.68783.84752.36003.86702.06454.97121.09125.80521.77755.31985.01271.7814
H142.82352.68783.84752.36003.86702.06454.97121.09125.80521.77755.01275.31981.7814

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 126.704 C1 C2 O6 126.704
C2 C1 H3 121.170 C2 C1 H4 121.170
C2 O5 C7 119.230 C2 O6 C8 119.230
H3 C1 H4 117.661 O5 C2 O6 106.593
O5 C7 H9 106.057 O5 C7 H11 111.209
O5 C7 H12 111.209 O6 C8 H10 106.057
O6 C8 H13 111.209 O6 C8 H14 111.209
H9 C7 H11 109.433 H9 C7 H12 109.433
H10 C8 H13 109.433 H10 C8 H14 109.433
H11 C7 H12 109.428 H13 C8 H14 109.428
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262 -0.873    
2 C 0.426 0.777    
3 H 0.037 0.236    
4 H 0.037 0.236    
5 O -0.408 -0.448    
6 O -0.408 -0.448    
7 C 0.165 0.218    
8 C 0.165 0.218    
9 H 0.055 0.045    
10 H 0.055 0.045    
11 H 0.035 -0.001    
12 H 0.035 -0.001    
13 H 0.035 -0.001    
14 H 0.035 -0.001    


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 1.137 1.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.385 0.000 0.000
y 0.000 -26.095 0.000
z 0.000 0.000 -39.568
Traceless
 xyz
x -5.554 0.000 0.000
y 0.000 12.882 0.000
z 0.000 0.000 -7.328
Polar
3z2-r2-14.656
x2-y2-12.291
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.028 0.000 0.000
y 0.000 8.385 0.000
z 0.000 0.000 7.534


<r2> (average value of r2) Å2
<r2> 185.460
(<r2>)1/2 13.618