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: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-231.156568
Energy at 298.15K-231.162321
Nuclear repulsion energy159.090079
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3269 3148 9.39      
2 A1 3176 3058 1.80      
3 A1 3154 3036 33.89      
4 A1 1752 1686 4.91      
5 A1 1438 1384 0.50      
6 A1 1362 1311 6.00      
7 A1 1219 1174 21.34      
8 A1 870 838 2.34      
9 A1 524 504 0.26      
10 A1 231 222 0.00      
11 A2 961 925 0.00      
12 A2 840 809 0.00      
13 A2 716 690 0.00      
14 A2 112 107 0.00      
15 B1 974 938 54.28      
16 B1 845 813 126.05      
17 B1 688 662 10.85      
18 B1 84 81 1.71      
19 B2 3269 3148 2.49      
20 B2 3176 3057 0.05      
21 B2 3147 3030 4.42      
22 B2 1702 1638 471.84      
23 B2 1427 1374 59.64      
24 B2 1336 1286 18.24      
25 B2 1233 1187 455.53      
26 B2 1037 999 4.09      
27 B2 488 470 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 19514.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 18787.0 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 B3PW91/6-311G*
ABC
1.17735 0.08393 0.07834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.327
C2 0.000 1.169 -0.370
C3 0.000 -1.169 -0.370
C4 0.000 2.350 0.235
C5 0.000 -2.350 0.235
H6 0.000 1.061 -1.454
H7 0.000 -1.061 -1.454
H8 0.000 3.257 -0.355
H9 0.000 2.431 1.316
H10 0.000 -3.257 -0.355
H11 0.000 -2.431 1.316

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.36131.36132.35142.35142.07312.07313.32752.62473.32752.6247
C21.36132.33821.32673.57041.08902.47952.08782.10634.42593.9757
C31.36132.33823.57041.32672.47951.08904.42593.97572.08782.1063
C42.35141.32673.57044.69932.12433.80601.08221.08395.63744.9016
C52.35143.57041.32674.69933.80602.12435.63744.90161.08221.0839
H62.07311.08902.47952.12433.80602.12232.45533.09014.45564.4574
H72.07312.47951.08903.80602.12432.12234.45564.45742.45533.0901
H83.32752.08784.42591.08225.63742.45534.45561.86376.51365.9285
H92.62472.10633.97571.08394.90163.09014.45741.86375.92854.8627
H103.32754.42592.08785.63741.08224.45562.45536.51365.92851.8637
H112.62473.97572.10634.90161.08394.45743.09015.92854.86271.8637

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 122.037 O1 C2 H6 115.126
O1 C3 C5 122.037 O1 C3 H7 115.126
C2 O1 C3 118.369 C2 C4 H8 119.808
C2 C4 H9 121.473 C3 C5 H10 119.808
C3 C5 H11 121.473 C4 C2 H6 122.837
C5 C3 H7 122.837 H8 C4 H9 118.719
H10 C5 H11 118.719
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.269      
2 C 0.001      
3 C 0.001      
4 C -0.523      
5 C -0.523      
6 H 0.202      
7 H 0.202      
8 H 0.224      
9 H 0.231      
10 H 0.224      
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 -1.368 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.123 0.000 0.000
y 0.000 -27.354 0.000
z 0.000 0.000 -27.306
Traceless
 xyz
x -6.793 0.000 0.000
y 0.000 3.360 0.000
z 0.000 0.000 3.433
Polar
3z2-r26.866
x2-y2-6.768
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 147.529
(<r2>)1/2 12.146

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-231.156724
Energy at 298.15K-231.162776
HF Energy-231.156724
Nuclear repulsion energy161.693039
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3265 3144 7.31      
2 A 3262 3141 10.29      
3 A 3208 3089 12.25      
4 A 3175 3056 4.43      
5 A 3172 3053 1.19      
6 A 3156 3039 10.07      
7 A 1723 1659 92.04      
8 A 1701 1638 197.66      
9 A 1444 1390 1.70      
10 A 1424 1371 18.14      
11 A 1370 1319 69.37      
12 A 1332 1282 5.28      
13 A 1253 1206 290.78      
14 A 1148 1105 16.70      
15 A 1020 982 35.11      
16 A 996 959 8.83      
17 A 984 947 42.46      
18 A 887 854 22.19      
19 A 866 834 52.06      
20 A 849 817 65.06      
21 A 736 709 7.52      
22 A 722 695 3.28      
23 A 591 569 2.42      
24 A 456 439 3.07      
25 A 281 271 1.52      
26 A 210 203 9.46      
27 A 96 92 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 19663.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 18929.6 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 B3PW91/6-311G*
ABC
0.53922 0.10618 0.09239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.044 -0.791 0.046
C2 1.283 -0.491 0.006
C3 -0.930 0.218 0.305
C4 1.838 0.708 -0.149
C5 -2.156 0.218 -0.198
H6 1.866 -1.401 0.105
H7 -0.561 0.974 0.996
H8 2.918 0.792 -0.152
H9 1.263 1.614 -0.300
H10 -2.860 0.988 0.092
H11 -2.484 -0.551 -0.888

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.36171.36712.41422.35312.00612.06973.36432.75933.33102.6228
C21.36172.34291.33003.51761.08492.55462.08372.12714.40033.8719
C31.36712.34292.84721.32573.23651.08833.91662.66902.08932.1048
C42.41421.33002.84724.02452.12392.67131.08291.08384.71274.5617
C52.35313.51761.32574.02454.34622.13115.10643.69481.08281.0841
H62.00611.08493.23652.12394.34623.50982.44543.10095.29544.5417
H72.06972.55461.08832.67132.13113.50983.66742.32722.47073.0939
H83.36432.08373.91661.08295.10642.44543.66741.85345.78635.6144
H92.75932.12712.66901.08383.69483.10092.32721.85344.18904.3674
H103.33104.40032.08934.71271.08285.29542.47075.78634.18901.8633
H112.62283.87192.10484.56171.08414.54173.09395.61444.36741.8633

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 127.504 O1 C2 H6 109.641
O1 C3 C5 121.810 O1 C3 H7 114.425
C2 O1 C3 118.309 C2 C4 H8 119.094
C2 C4 H9 123.271 C3 C5 H10 119.994
C3 C5 H11 121.397 C4 C2 H6 122.849
C5 C3 H7 123.670 H8 C4 H9 117.616
H10 C5 H11 118.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.277      
2 C 0.004      
3 C -0.027      
4 C -0.554      
5 C -0.502      
6 H 0.217      
7 H 0.222      
8 H 0.226      
9 H 0.235      
10 H 0.224      
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
  0.341 0.673 0.286 0.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.949 -1.803 0.574
y -1.803 -29.355 1.061
z 0.574 1.061 -32.526
Traceless
 xyz
x 3.991 -1.803 0.574
y -1.803 0.382 1.061
z 0.574 1.061 -4.373
Polar
3z2-r2-8.747
x2-y22.406
xy-1.803
xz0.574
yz1.061


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.669 0.428 0.571
y 0.428 6.541 0.185
z 0.571 0.185 4.349


<r2> (average value of r2) Å2
<r2> 130.302
(<r2>)1/2 11.415