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All results from a given calculation for C2H3OC2H5 (Ethene, ethoxy-)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-42.582080
Energy at 298.15K-42.590240
HF Energy-42.151824
Nuclear repulsion energy94.993233
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 MP2/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 3278 3167 33.11      
2 A 3173 3066 10.48      
3 A 3168 3061 60.52      
4 A 3147 3041 56.36      
5 A 3132 3026 34.64      
6 A 3098 2993 60.61      
7 A 3047 2944 38.66      
8 A 3026 2924 70.76      
9 A 1652 1596 91.42      
10 A 1541 1489 2.94      
11 A 1528 1476 5.25      
12 A 1510 1459 5.51      
13 A 1458 1409 18.57      
14 A 1441 1393 1.32      
15 A 1407 1360 59.81      
16 A 1321 1277 1.44      
17 A 1294 1251 0.12      
18 A 1184 1144 21.72      
19 A 1155 1116 47.10      
20 A 1121 1083 148.63      
21 A 1064 1028 58.08      
22 A 969 936 32.58      
23 A 925 893 64.68      
24 A 842 814 1.69      
25 A 806 778 5.96      
26 A 713 689 60.15      
27 A 657 635 3.20      
28 A 463 447 1.36      
29 A 415 401 3.11      
30 A 239 231 0.96      
31 A 203 196 1.57      
32 A 81 79 7.00      
33 A 68 66 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 24561.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 23733.7 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 MP2/CEP-31G
ABC
0.73998 0.07364 0.06943

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.526 -0.296 0.077
H2 -2.543 -1.370 0.313
H3 -3.475 0.251 -0.017
C4 -1.326 0.372 -0.124
H5 -1.263 1.448 -0.367
O6 -0.080 -0.325 -0.092
C7 1.112 0.542 0.178
H8 1.057 0.910 1.226
H9 1.088 1.413 -0.517
C10 2.366 -0.345 -0.057
H11 2.347 -1.219 0.625
H12 2.384 -0.709 -1.104
H13 3.289 0.245 0.137

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.09901.09971.38782.19862.45223.73493.95154.04164.89404.98995.06675.8406
H21.09901.89892.16843.16812.70554.12674.35754.64875.02804.90215.16856.0536
H31.09971.89892.15472.53883.44464.60044.74534.73495.87136.03916.03586.7658
C41.38782.16842.15471.10511.42842.46292.79152.65843.76154.07233.98674.6244
H52.19863.16812.53881.10512.14942.59992.86552.35634.05934.59654.30084.7354
O62.45222.70553.44461.42842.14941.49862.13462.13652.44602.68372.69103.4245
C73.73494.12674.60042.46292.59991.49861.11281.11391.55322.19652.19662.1975
H83.95154.35754.74532.79152.86552.13461.11281.81452.22132.56073.13252.5715
H94.04164.64874.73492.65842.35632.13651.11391.81452.22073.13232.55462.5760
C104.89405.02805.87133.76154.05932.44601.55322.22132.22071.10861.10871.1122
H114.98994.90216.03914.07234.59652.68372.19652.56073.13231.10861.80241.8073
H125.06675.16856.03583.98674.30082.69102.19663.13252.55461.10871.80241.8079
H135.84066.05366.76584.62444.73543.42452.19752.57152.57601.11221.80731.8079

picture of Ethene, ethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 123.357 C1 C4 O6 121.088
H2 C1 H3 119.458 H2 C1 C4 120.938
H3 C1 C4 119.597 C4 O6 C7 114.566
H5 C4 O6 115.484 O6 C7 H8 108.752
O6 C7 H9 108.840 O6 C7 C10 106.531
C7 C10 H11 110.089 C7 C10 H12 110.097
C7 C10 H13 109.960 H8 C7 H9 109.152
H8 C7 C10 111.787 H9 C7 C10 111.673
H11 C10 H12 108.750 H11 C10 H13 108.931
H12 C10 H13 108.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability