return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHOCHCH2 (Vinyl ether)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C1 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-42.109737
Energy at 298.15K-42.115379
Nuclear repulsion energy85.037646
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/CEP-31G*
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 3261 3149 22.66      
2 A1 3178 3069 3.32      
3 A1 3150 3042 39.39      
4 A1 1741 1681 2.16      
5 A1 1416 1368 0.61      
6 A1 1337 1291 4.94      
7 A1 1183 1142 22.41      
8 A1 841 812 1.53      
9 A1 509 492 0.10      
10 A1 225 217 0.01      
11 A2 938 905 0.00      
12 A2 821 793 0.00      
13 A2 697 673 0.00      
14 A2 122 118 0.00      
15 B1 951 918 101.56      
16 B1 826 798 150.81      
17 B1 668 645 14.03      
18 B1 84 81 1.50      
19 B2 3261 3149 9.45      
20 B2 3177 3068 1.69      
21 B2 3142 3034 6.43      
22 B2 1690 1632 434.85      
23 B2 1404 1356 73.39      
24 B2 1303 1258 13.87      
25 B2 1205 1164 495.94      
26 B2 997 963 0.81      
27 B2 470 453 8.29      

Unscaled Zero Point Vibrational Energy (zpe) 19296.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 18634.7 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 B3LYP/CEP-31G*
ABC
1.12637 0.08136 0.07588

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.336
C2 0.000 1.181 -0.380
C3 0.000 -1.181 -0.380
C4 0.000 2.391 0.249
C5 0.000 -2.391 0.249
H6 0.000 1.070 -1.472
H7 0.000 -1.070 -1.472
H8 0.000 3.303 -0.354
H9 0.000 2.467 1.340
H10 0.000 -3.303 -0.354
H11 0.000 -2.467 1.340

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.38061.38062.39222.39222.10082.10083.37442.66383.37442.6638
C21.38062.36131.36363.62621.09792.50172.12282.14764.48394.0329
C31.38062.36133.62621.36362.50171.09794.48394.03292.12282.1476
C42.39221.36363.62624.78132.16923.86501.09361.09345.72574.9790
C52.39223.62621.36364.78133.86502.16925.72574.97901.09361.0934
H62.10081.09792.50172.16923.86502.14012.49763.13974.51404.5188
H72.10082.50171.09793.86502.16922.14014.51404.51882.49763.1397
H83.37442.12284.48391.09365.72572.49764.51401.88836.60656.0140
H92.66382.14764.03291.09344.97903.13974.51881.88836.01404.9349
H103.37444.48392.12285.72571.09364.51402.49766.60656.01401.8883
H112.66384.03292.14764.97901.09344.51883.13976.01404.93491.8883

picture of Vinyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 121.326 O1 C2 H6 115.439
O1 C3 C5 121.326 O1 C3 H7 115.439
C2 O1 C3 117.559 C2 C4 H8 119.110
C2 C4 H9 121.481 C3 C5 H10 119.110
C3 C5 H11 121.481 C4 C2 H6 123.234
C5 C3 H7 123.234 H8 C4 H9 119.409
H10 C5 H11 119.409
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.073      
2 C -0.190      
3 C -0.190      
4 C -0.403      
5 C -0.403      
6 H 0.213      
7 H 0.213      
8 H 0.187      
9 H 0.231      
10 H 0.187      
11 H 0.231      


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 -1.554 1.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.274 0.000 0.000
y 0.000 -27.136 0.000
z 0.000 0.000 -26.578
Traceless
 xyz
x -7.417 0.000 0.000
y 0.000 3.290 0.000
z 0.000 0.000 4.127
Polar
3z2-r28.255
x2-y2-7.138
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.487 0.000 0.000
y 0.000 13.244 0.000
z 0.000 0.000 5.801


<r2> (average value of r2) Å2
<r2> 121.979
(<r2>)1/2 11.044

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-42.111053
Energy at 298.15K-42.116957
HF Energy-42.111053
Nuclear repulsion energy86.411343
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/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3262 3150 24.71      
2 A 3258 3146 12.76      
3 A 3208 3098 11.18      
4 A 3179 3070 8.49      
5 A 3173 3064 1.50      
6 A 3159 3051 7.79      
7 A 1714 1655 101.83      
8 A 1689 1631 182.38      
9 A 1424 1375 2.43      
10 A 1402 1354 23.75      
11 A 1349 1303 66.91      
12 A 1305 1260 4.90      
13 A 1228 1186 314.03      
14 A 1115 1076 22.26      
15 A 993 959 35.27      
16 A 976 942 16.37      
17 A 961 928 69.46      
18 A 860 830 19.83      
19 A 843 814 62.34      
20 A 819 791 81.03      
21 A 711 686 7.30      
22 A 696 672 2.16      
23 A 577 557 1.91      
24 A 438 423 2.56      
25 A 281 271 1.61      
26 A 203 196 10.75      
27 A 88 85 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 19453.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 18785.9 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/CEP-31G*
ABC
0.52736 0.10272 0.08908

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.052 -0.800 0.053
C2 1.297 -0.511 0.008
C3 -0.929 0.247 0.287
C4 1.878 0.714 -0.148
C5 -2.204 0.212 -0.190
H6 1.878 -1.433 0.099
H7 -0.537 1.040 0.935
H8 2.969 0.773 -0.159
H9 1.309 1.635 -0.292
H10 -2.899 1.013 0.082
H11 -2.551 -0.602 -0.833

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.38021.38602.46062.39112.03182.09743.41262.81103.37552.6591
C21.38022.36821.36423.58071.09372.57462.11482.16714.46483.9400
C31.38602.36822.87831.36223.27711.09613.95882.69652.12362.1464
C42.46061.36422.87834.11292.16072.66641.09331.09244.79164.6706
C52.39113.58071.36224.11294.41122.17505.20403.79201.09421.0936
H62.03181.09373.27712.16074.41123.55632.47433.14495.36704.6022
H72.09742.57461.09612.66642.17503.55633.68242.29482.51163.1427
H83.41262.11483.95881.09335.20402.47433.68241.87555.87825.7289
H92.81102.16712.69651.09243.79203.14492.29481.87554.27044.4944
H103.37554.46482.12364.79161.09425.36702.51165.87824.27041.8877
H112.65913.94002.14644.67061.09364.60223.14275.72894.49441.8877

picture of Vinyl ether state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 127.422 O1 C2 H6 109.888
O1 C3 C5 120.922 O1 C3 H7 114.843
C2 O1 C3 117.761 C2 C4 H8 118.341
C2 C4 H9 123.426 C3 C5 H10 119.257
C3 C5 H11 121.467 C4 C2 H6 122.682
C5 C3 H7 124.079 H8 C4 H9 118.210
H10 C5 H11 119.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.059      
2 C -0.161      
3 C -0.229      
4 C -0.484      
5 C -0.453      
6 H 0.259      
7 H 0.251      
8 H 0.217      
9 H 0.234      
10 H 0.190      
11 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.363 0.758 0.314 0.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.467 -1.920 0.626
y -1.920 -28.853 1.225
z 0.626 1.225 -32.754
Traceless
 xyz
x 4.337 -1.920 0.626
y -1.920 0.758 1.225
z 0.626 1.225 -5.094
Polar
3z2-r2-10.189
x2-y22.386
xy-1.920
xz0.626
yz1.225


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.886 0.705 0.564
y 0.705 6.399 0.066
z 0.564 0.066 4.089


<r2> (average value of r2) Å2
<r2> 108.747
(<r2>)1/2 10.428