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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-42.978297
Energy at 298.15K-42.986642
HF Energy-42.276210
Nuclear repulsion energy97.491156
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-121G*
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 3314 3158 7.07      
2 A 3203 3052 0.92      
3 A 3190 3040 28.47      
4 A 3178 3028 27.65      
5 A 3164 3015 23.21      
6 A 3106 2959 43.42      
7 A 3078 2933 18.58      
8 A 3045 2901 56.97      
9 A 1684 1605 126.83      
10 A 1558 1485 5.29      
11 A 1536 1464 3.77      
12 A 1522 1450 6.30      
13 A 1464 1395 24.87      
14 A 1441 1373 22.03      
15 A 1412 1345 51.02      
16 A 1340 1277 7.50      
17 A 1309 1248 0.50      
18 A 1225 1167 168.17      
19 A 1195 1139 37.56      
20 A 1158 1104 113.26      
21 A 1105 1053 30.97      
22 A 991 944 10.73      
23 A 944 899 43.69      
24 A 864 823 5.93      
25 A 828 789 0.52      
26 A 720 686 50.28      
27 A 683 651 11.92      
28 A 492 469 1.84      
29 A 436 416 1.70      
30 A 264 252 0.67      
31 A 218 207 0.85      
32 A 94 90 3.10      
33 A 64 61 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 24913.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 23737.3 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-121G*
ABC
0.78096 0.07805 0.07351

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.481 -0.294 0.073
H2 -2.512 -1.365 0.245
H3 -3.409 0.264 0.023
C4 -1.310 0.348 -0.103
H5 -1.251 1.425 -0.279
O6 -0.108 -0.327 -0.125
C7 1.029 0.520 0.154
H8 0.957 0.899 1.183
H9 1.025 1.374 -0.539
C10 2.280 -0.330 -0.034
H11 2.264 -1.182 0.651
H12 2.331 -0.703 -1.060
H13 3.173 0.271 0.170

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.08511.08381.34762.14342.38183.60423.80523.93124.76334.86194.96105.6838
H21.08511.87322.12153.10642.64444.01214.24734.54204.91084.79615.05925.9163
H31.08381.87322.10462.46933.35664.44704.56204.60545.72075.88765.92096.5840
C41.34762.12152.10461.09281.37832.35892.66412.58753.65443.95973.90854.4922
H52.14343.10642.46931.09282.09702.49032.69972.29113.95074.47344.23884.5941
O62.38182.64443.35661.37832.09701.44482.08582.08552.39052.63812.63923.3486
C73.60424.01214.44702.35892.49031.44481.09921.10001.52462.16082.16022.1592
H83.80524.24734.56202.66412.69972.08581.09921.78752.17792.51463.08032.5165
H93.93124.54204.60542.58752.29112.08551.10001.78752.17613.07972.50872.5171
C104.76334.91085.72073.65443.95072.39051.52462.17792.17611.09331.09341.0952
H114.86194.79615.88763.95974.47342.63812.16082.51463.07971.09331.77801.7803
H124.96105.05925.92093.90854.23882.63922.16023.08032.50871.09341.77801.7811
H135.68385.91636.58404.49224.59413.34862.15922.51652.51711.09521.78031.7811

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 122.528 C1 C4 O6 121.789
H2 C1 H3 119.460 H2 C1 C4 121.021
H3 C1 C4 119.508 C4 O6 C7 113.327
H5 C4 O6 115.635 O6 C7 H8 109.394
O6 C7 H9 109.324 O6 C7 C10 107.195
C7 C10 H11 110.161 C7 C10 H12 110.113
C7 C10 H13 109.924 H8 C7 H9 108.743
H8 C7 C10 111.174 H9 C7 C10 110.978
H11 C10 H12 108.801 H11 C10 H13 108.870
H12 C10 H13 108.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability