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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-230.152460
Energy at 298.15K-230.160882
HF Energy-229.671008
Nuclear repulsion energy171.243387
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 MP2/3-21G*
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 3303 3142 6.43      
2 A 3210 3054 0.43      
3 A 3192 3037 19.96      
4 A 3179 3024 18.78      
5 A 3148 2994 22.37      
6 A 3106 2955 38.96      
7 A 3103 2952 10.55      
8 A 3057 2908 33.04      
9 A 1695 1613 75.62      
10 A 1622 1543 8.47      
11 A 1604 1526 6.67      
12 A 1589 1511 4.93      
13 A 1512 1439 0.37      
14 A 1494 1421 9.52      
15 A 1441 1371 76.43      
16 A 1386 1319 0.61      
17 A 1350 1284 0.24      
18 A 1223 1164 20.67      
19 A 1183 1125 59.24      
20 A 1159 1103 89.77      
21 A 1072 1020 101.49      
22 A 1016 966 29.14      
23 A 984 936 11.52      
24 A 883 840 63.26      
25 A 875 832 1.02      
26 A 833 793 6.65      
27 A 732 696 2.59      
28 A 488 465 1.82      
29 A 422 401 3.34      
30 A 260 248 1.15      
31 A 220 210 1.28      
32 A 86 81 0.42      
33 A 70 66 5.22      

Unscaled Zero Point Vibrational Energy (zpe) 25247.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 24018.3 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 MP2/3-21G*
ABC
0.76014 0.07635 0.07253

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.468 -0.264 0.104
H2 -2.491 -1.297 0.431
H3 -3.407 0.262 -0.014
C4 -1.306 0.342 -0.173
H5 -1.256 1.382 -0.498
O6 -0.074 -0.341 -0.118
C7 1.079 0.521 0.237
H8 1.034 0.793 1.298
H9 1.058 1.442 -0.362
C10 2.326 -0.314 -0.075
H11 2.302 -1.236 0.510
H12 2.333 -0.571 -1.137
H13 3.234 0.246 0.169

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.08341.08291.33892.13102.40523.63473.84813.94444.79724.88434.96775.7251
H21.08341.86192.11023.09272.65644.01034.18894.55224.94204.79355.12355.9351
H31.08291.86192.10792.47303.38854.50004.66114.63115.76195.92505.90746.6436
C41.33892.11022.10791.09091.41002.42682.80122.61463.69243.99703.87384.5546
H52.13103.09272.47301.09092.12352.59472.96932.31853.98554.53084.13544.6793
O62.40522.65643.38851.41002.12351.48202.12562.12562.40042.61532.62373.3721
C73.63474.01034.50002.42682.59471.48201.09641.09901.53272.15812.15702.1740
H83.84814.18894.66112.80122.96932.12561.09641.78232.18622.51933.07842.5324
H93.94444.55224.63112.61462.31852.12561.09901.78232.18463.07892.50572.5393
C104.79724.94205.76193.69243.98552.40041.53272.18622.18461.09261.09261.0947
H114.88434.79355.92503.99704.53082.61532.15812.51933.07891.09261.77611.7843
H124.96775.12355.90743.87384.13542.62372.15703.07842.50571.09261.77611.7854
H135.72515.93516.64364.55464.67933.37212.17402.53242.53931.09471.78431.7854

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 122.245 C1 C4 O6 122.063
H2 C1 H3 118.520 H2 C1 C4 120.825
H3 C1 C4 120.643 C4 O6 C7 114.075
H5 C4 O6 115.641 O6 C7 H8 110.155
O6 C7 H9 110.003 O6 C7 C10 105.531
C7 C10 H11 109.429 C7 C10 H12 109.342
C7 C10 H13 110.559 H8 C7 H9 108.554
H8 C7 C10 111.431 H9 C7 C10 111.150
H11 C10 H12 108.739 H11 C10 H13 109.322
H12 C10 H13 109.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability