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: MP3/6-31G*

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 MP3/6-31G*
 hartrees
Energy at 0K-230.470512
Energy at 298.15K-230.476168
HF Energy-229.758699
Nuclear repulsion energy158.540401
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 MP3/6-31G*
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 3336 3131 6.52      
2 A1 3245 3046 3.22      
3 A1 3222 3024 21.38      
4 A1 1797 1686 3.11      
5 A1 1483 1392 0.14      
6 A1 1400 1314 4.39      
7 A1 1248 1171 19.87      
8 A1 890 835 3.11      
9 A1 533 500 0.56      
10 A1 238 224 0.03      
11 A2 968 909 0.00      
12 A2 842 790 0.00      
13 A2 721 676 0.00      
14 A2 73 68 0.00      
15 B1 977 917 53.21      
16 B1 844 793 104.31      
17 B1 690 647 1.42      
18 B1 56 52 2.43      
19 B2 3336 3131 2.52      
20 B2 3244 3045 0.01      
21 B2 3215 3018 6.32      
22 B2 1756 1648 350.11      
23 B2 1474 1384 64.06      
24 B2 1368 1284 3.71      
25 B2 1258 1181 406.35      
26 B2 1060 995 8.43      
27 B2 494 464 5.08      

Unscaled Zero Point Vibrational Energy (zpe) 19883.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 18662.7 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 MP3/6-31G*
ABC
1.15442 0.08364 0.07799

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.334
C2 0.000 1.173 -0.378
C3 0.000 -1.173 -0.378
C4 0.000 2.353 0.237
C5 0.000 -2.353 0.237
H6 0.000 1.065 -1.461
H7 0.000 -1.065 -1.461
H8 0.000 3.265 -0.346
H9 0.000 2.428 1.318
H10 0.000 -3.265 -0.346
H11 0.000 -2.428 1.318

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.37261.37262.35482.35482.08772.08773.33512.61933.33512.6193
C21.37262.34631.33053.57921.08842.48652.09222.10974.43833.9803
C31.37262.34633.57921.33052.48651.08844.43833.98032.09222.1097
C42.35481.33053.57924.70562.13133.81651.08241.08355.64804.9011
C52.35483.57921.33054.70563.81652.13135.64804.90111.08241.0835
H62.08771.08842.48652.13133.81652.13012.46683.09534.47164.4635
H72.08772.48651.08843.81652.13132.13014.47164.46352.46683.0953
H83.33512.09224.43831.08245.64802.46684.47161.86246.53025.9307
H92.61932.10973.98031.08354.90113.09534.46351.86245.93074.8552
H103.33514.43832.09225.64801.08244.47162.46686.53025.93071.8624
H112.61933.98032.10974.90111.08354.46353.09535.93074.85521.8624

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 121.179 O1 C2 H6 115.574
O1 C3 C5 121.179 O1 C3 H7 115.574
C2 O1 C3 117.451 C2 C4 H8 119.895
C2 C4 H9 121.504 C3 C5 H10 119.895
C3 C5 H11 121.504 C4 C2 H6 123.246
C5 C3 H7 123.246 H8 C4 H9 118.601
H10 C5 H11 118.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-230.471769
Energy at 298.15K-230.477837
HF Energy-229.759337
Nuclear repulsion energy161.430600
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 MP3/6-31G*
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 3332 3127 6.80      
2 A 3331 3126 6.54      
3 A 3272 3071 11.00      
4 A 3244 3044 3.84      
5 A 3241 3042 1.47      
6 A 3223 3025 7.68      
7 A 1772 1663 87.82      
8 A 1756 1648 118.29      
9 A 1487 1396 1.59      
10 A 1470 1379 22.01      
11 A 1401 1315 40.65      
12 A 1367 1283 2.93      
13 A 1289 1210 254.49      
14 A 1172 1100 15.13      
15 A 1040 976 36.66      
16 A 1008 946 9.20      
17 A 994 933 38.71      
18 A 909 853 15.58      
19 A 875 821 51.11      
20 A 859 806 51.04      
21 A 750 704 3.47      
22 A 731 686 0.82      
23 A 595 558 2.63      
24 A 464 436 3.42      
25 A 298 279 1.82      
26 A 194 182 9.00      
27 A 93 87 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 20080.8 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 18847.8 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 MP3/6-31G*
ABC
0.50820 0.10812 0.09366

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.040 -0.823 0.047
C2 1.289 -0.486 -0.009
C3 -0.925 0.191 0.342
C4 1.800 0.738 -0.149
C5 -2.130 0.237 -0.220
H6 1.902 -1.378 0.064
H7 -0.581 0.889 1.102
H8 2.875 0.860 -0.171
H9 1.190 1.626 -0.267
H10 -2.843 0.993 0.085
H11 -2.427 -0.480 -0.976

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.37251.37862.42102.35832.01982.08313.37382.75903.33992.6198
C21.37252.34251.33383.50071.08482.57382.08702.13014.38983.8400
C31.37862.34252.82261.32973.24581.08813.89322.62812.09412.1081
C42.42101.33382.82263.96182.12962.69361.08281.08334.65554.4757
C52.35833.50071.32973.96184.35232.13855.04393.59931.08311.0837
H62.01981.08483.24582.12964.35233.51912.45263.10515.30434.5420
H72.08312.57381.08812.69362.13853.51913.68312.35662.48263.0992
H83.37382.08703.89321.08285.04392.45263.68311.85315.72555.5281
H92.75902.13012.62811.08333.59933.10512.35661.85314.09794.2455
H103.33994.38982.09414.65551.08315.30432.48265.72554.09791.8622
H112.61983.84002.10814.47571.08374.54203.09925.52814.24551.8622

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 126.906 O1 C2 H6 110.014
O1 C3 C5 121.087 O1 C3 H7 114.729
C2 O1 C3 116.745 C2 C4 H8 119.089
C2 C4 H9 123.265 C3 C5 H10 120.089
C3 C5 H11 121.400 C4 C2 H6 123.075
C5 C3 H7 124.071 H8 C4 H9 117.631
H10 C5 H11 118.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability