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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-305.717174
Energy at 298.15K-305.726678
Nuclear repulsion energy246.721856
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/LANL2DZ
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 3397 3057 0.14      
2 A1 3374 3036 41.48      
3 A1 3225 2902 10.58      
4 A1 1792 1612 365.47      
5 A1 1657 1491 11.62      
6 A1 1628 1465 7.17      
7 A1 1564 1408 42.04      
8 A1 1321 1189 3.26      
9 A1 1246 1121 1.28      
10 A1 914 822 65.30      
11 A1 509 458 0.32      
12 A1 258 232 9.22      
13 A2 3310 2978 0.00      
14 A2 1651 1486 0.00      
15 A2 1273 1145 0.00      
16 A2 743 669 0.00      
17 A2 234 210 0.00      
18 A2 131 118 0.00      
19 B1 3310 2979 119.38      
20 B1 1651 1486 22.46      
21 B1 1275 1147 2.89      
22 B1 952 857 178.67      
23 B1 729 656 5.84      
24 B1 246 221 1.14      
25 B1 94 85 21.39      
26 B2 3496 3146 16.52      
27 B2 3374 3036 24.92      
28 B2 3224 2902 79.19      
29 B2 1653 1488 15.27      
30 B2 1624 1461 34.60      
31 B2 1471 1324 585.49      
32 B2 1313 1182 23.10      
33 B2 1145 1031 147.49      
34 B2 992 893 6.51      
35 B2 593 533 0.06      
36 B2 367 330 10.17      

Unscaled Zero Point Vibrational Energy (zpe) 27866.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 25077.2 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 HF/LANL2DZ
ABC
0.30568 0.07353 0.06063

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.438
C2 0.000 0.000 0.098
H3 0.000 0.911 1.996
H4 0.000 -0.911 1.996
O5 0.000 1.093 -0.704
O6 0.000 -1.093 -0.704
C7 0.000 2.417 -0.147
C8 0.000 -2.417 -0.147
H9 0.000 3.081 -0.994
H10 0.000 -3.081 -0.994
H11 -0.887 2.580 0.452
H12 0.887 2.580 0.452
H13 0.887 -2.580 0.452
H14 -0.887 -2.580 0.452

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34011.06851.06852.40462.40462.89062.89063.92553.92552.90092.90092.90092.9009
C21.34012.10552.10551.35561.35562.42942.42943.26913.26912.75122.75122.75122.7512
H31.06852.10551.82252.70593.36252.61953.95873.69454.98812.44032.44033.91923.9192
H41.06852.10551.82253.36252.70593.95872.61954.98813.69453.91923.91922.44032.4403
O52.40461.35562.70593.36252.18631.43593.55392.00934.18462.08172.08173.95173.9517
O62.40461.35563.36252.70592.18633.55391.43594.18462.00933.95173.95172.08172.0817
C72.89062.42942.61953.95871.43593.55394.83391.07615.56311.08281.08285.11055.1105
C82.89062.42943.95872.61953.55391.43594.83395.56311.07615.11055.11051.08281.0828
H93.92553.26913.69454.98812.00934.18461.07615.56316.16271.76881.76885.91025.9102
H103.92553.26914.98813.69454.18462.00935.56311.07616.16275.91025.91021.76881.7688
H112.90092.75122.44033.91922.08173.95171.08285.11051.76885.91021.77325.45665.1604
H122.90092.75122.44033.91922.08173.95171.08285.11051.76885.91021.77325.16045.4566
H132.90092.75123.91922.44033.95172.08175.11051.08285.91021.76885.45665.16041.7732
H142.90092.75123.91922.44033.95172.08175.11051.08285.91021.76885.16045.45661.7732

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 126.254 C1 C2 O6 126.254
C2 C1 H3 121.480 C2 C1 H4 121.480
C2 O5 C7 120.956 C2 O6 C8 120.956
H3 C1 H4 117.041 O5 C2 O6 107.493
O5 C7 H9 105.336 O5 C7 H11 110.703
O5 C7 H12 110.703 O6 C8 H10 105.336
O6 C8 H13 110.703 O6 C8 H14 110.703
H9 C7 H11 110.036 H9 C7 H12 110.036
H10 C8 H13 110.036 H10 C8 H14 110.036
H11 C7 H12 109.941 H13 C8 H14 109.941
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.672      
2 C 0.661      
3 H 0.199      
4 H 0.199      
5 O -0.469      
6 O -0.469      
7 C -0.323      
8 C -0.323      
9 H 0.218      
10 H 0.218      
11 H 0.190      
12 H 0.190      
13 H 0.190      
14 H 0.190      


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 2.267 2.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.093 0.000 0.000
y 0.000 -23.651 0.000
z 0.000 0.000 -41.241
Traceless
 xyz
x -6.647 0.000 0.000
y 0.000 16.516 0.000
z 0.000 0.000 -9.869
Polar
3z2-r2-19.738
x2-y2-15.442
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.576 0.000 0.000
y 0.000 7.715 0.000
z 0.000 0.000 7.469


<r2> (average value of r2) Å2
<r2> 192.706
(<r2>)1/2 13.882