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

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-307.762997
Energy at 298.15K-307.772372
Nuclear repulsion energy249.188509
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/6-311+G(3df,2p)
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 3204 3098 0.82      
2 A1 3133 3029 18.27      
3 A1 3011 2912 7.90      
4 A1 1676 1621 282.95      
5 A1 1515 1465 5.58      
6 A1 1489 1440 11.64      
7 A1 1427 1380 18.28      
8 A1 1233 1192 4.24      
9 A1 1169 1130 0.08      
10 A1 890 861 38.14      
11 A1 504 487 0.70      
12 A1 267 258 5.29      
13 A2 3069 2967 0.00      
14 A2 1496 1447 0.00      
15 A2 1180 1141 0.00      
16 A2 675 653 0.00      
17 A2 237 229 0.00      
18 A2 137 132 0.00      
19 B1 3069 2968 62.70      
20 B1 1496 1446 19.56      
21 B1 1184 1145 2.26      
22 B1 732 708 78.52      
23 B1 681 658 4.55      
24 B1 252 244 0.21      
25 B1 104 101 8.62      
26 B2 3285 3176 3.29      
27 B2 3133 3029 15.43      
28 B2 3011 2912 70.61      
29 B2 1509 1459 19.92      
30 B2 1493 1444 38.00      
31 B2 1334 1290 487.16      
32 B2 1221 1181 16.62      
33 B2 1061 1026 123.52      
34 B2 941 909 0.41      
35 B2 564 546 0.33      
36 B2 378 365 6.80      

Unscaled Zero Point Vibrational Energy (zpe) 25877.0 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 25023.0 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/6-311+G(3df,2p)
ABC
0.30575 0.07660 0.06271

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.420
C2 0.000 0.000 0.079
H3 0.000 0.920 1.977
H4 0.000 -0.920 1.977
O5 0.000 1.078 -0.726
O6 0.000 -1.078 -0.726
C7 0.000 2.360 -0.120
C8 0.000 -2.360 -0.120
H9 0.000 3.077 -0.936
H10 0.000 -3.077 -0.936
H11 -0.892 2.503 0.495
H12 0.892 2.503 0.495
H13 0.892 -2.503 0.495
H14 -0.892 -2.503 0.495

Atom - Atom Distances (Å)
  C1 C2 H3 H4 O5 O6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34041.07561.07562.40172.40172.81742.81743.87473.87472.81352.81352.81352.8135
C21.34042.10922.10921.34601.34602.36812.36813.23973.23972.68952.68952.68952.6895
H31.07562.10921.83942.70833.36182.54383.89253.62474.94542.34512.34513.83513.8351
H41.07562.10921.83943.36182.70833.89252.54384.94543.62473.83513.83512.34512.3451
O52.40171.34602.70833.36182.15661.41773.49112.00924.16022.07772.07773.88763.8876
O62.40171.34603.36182.70832.15663.49111.41774.16022.00923.88763.88762.07772.0777
C72.81742.36812.54383.89251.41773.49114.71941.08635.49721.09241.09244.98204.9820
C82.81742.36813.89252.54383.49111.41774.71945.49721.08634.98204.98201.09241.0924
H93.87473.23973.62474.94542.00924.16021.08635.49726.15311.78071.78075.82895.8289
H103.87473.23974.94543.62474.16022.00925.49721.08636.15315.82895.82891.78071.7807
H112.81352.68952.34513.83512.07773.88761.09244.98201.78075.82891.78315.31445.0064
H122.81352.68952.34513.83512.07773.88761.09244.98201.78075.82891.78315.00645.3144
H132.81352.68953.83512.34513.88762.07774.98201.09245.82891.78075.31445.00641.7831
H142.81352.68953.83512.34513.88762.07774.98201.09245.82891.78075.00645.31441.7831

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 126.762 C1 C2 O6 126.762
C2 C1 H3 121.232 C2 C1 H4 121.232
C2 O5 C7 117.903 C2 O6 C8 117.903
H3 C1 H4 117.537 O5 C2 O6 106.476
O5 C7 H9 105.961 O5 C7 H11 111.071
O5 C7 H12 111.071 O6 C8 H10 105.961
O6 C8 H13 111.071 O6 C8 H14 111.071
H9 C7 H11 109.638 H9 C7 H12 109.638
H10 C8 H13 109.638 H10 C8 H14 109.638
H11 C7 H12 109.402 H13 C8 H14 109.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.459      
2 C 0.827      
3 H 0.148      
4 H 0.148      
5 O -0.626      
6 O -0.626      
7 C -0.160      
8 C -0.160      
9 H 0.141      
10 H 0.141      
11 H 0.157      
12 H 0.157      
13 H 0.157      
14 H 0.157      


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 1.103 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.232 0.000 0.000
y 0.000 10.927 0.000
z 0.000 0.000 9.271


<r2> (average value of r2) Å2
<r2> 187.703
(<r2>)1/2 13.700