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 C2H3OC2H5 (Ethene, ethoxy-)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-229.360605
Energy at 298.15K-229.368410
Nuclear repulsion energy168.404627
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 BLYP/STO-3G
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 3463 3204 0.05      
2 A 3386 3133 1.58      
3 A 3380 3127 1.07      
4 A 3315 3067 16.79      
5 A 3276 3031 18.57      
6 A 3252 3009 12.49      
7 A 3218 2978 0.67      
8 A 3148 2913 17.62      
9 A 1751 1620 71.05      
10 A 1640 1517 1.83      
11 A 1626 1504 3.11      
12 A 1608 1488 8.41      
13 A 1520 1406 0.54      
14 A 1515 1401 8.08      
15 A 1417 1311 94.06      
16 A 1363 1261 3.48      
17 A 1321 1222 0.05      
18 A 1211 1120 49.67      
19 A 1172 1085 51.81      
20 A 1160 1073 3.98      
21 A 1085 1003 20.24      
22 A 1000 925 6.32      
23 A 995 921 12.44      
24 A 877 811 2.26      
25 A 842 779 0.82      
26 A 808 748 28.63      
27 A 650 601 0.36      
28 A 489 452 1.72      
29 A 421 390 0.59      
30 A 210 194 0.07      
31 A 194 180 0.23      
32 A 91 84 0.71      
33 A 54 50 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 25727.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 23803.2 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 BLYP/STO-3G
ABC
0.75783 0.07412 0.06935

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.519 -0.267 -0.000
H2 2.604 -1.365 -0.000
H3 3.451 0.318 -0.000
C4 1.313 0.360 0.000
H5 1.229 1.470 0.000
O6 0.091 -0.392 0.000
C7 -1.085 0.554 -0.000
H8 -1.061 1.211 -0.908
H9 -1.061 1.212 0.908
C10 -2.380 -0.328 -0.000
H11 -2.406 -0.974 -0.900
H12 -2.408 -0.972 0.901
H13 -3.277 0.324 -0.002

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.10111.10011.35942.16372.43213.69703.97863.97894.90005.05715.05855.8262
H21.10111.88422.15443.15052.69534.15834.57084.57135.09085.10565.10746.1184
H31.10011.88422.13802.50253.43464.54244.68814.68855.86696.06546.06676.7276
C41.35942.15442.13801.11301.43542.40652.68072.68093.75724.05314.05404.5901
H52.16373.15052.50251.11302.18222.48942.47722.47724.03264.47244.47274.6493
O62.43212.69533.43461.43542.18221.50872.17272.17272.47162.71762.71873.4425
C73.69704.15834.54242.40652.48941.50871.12151.12151.56672.21122.21132.2033
H83.97864.57084.68812.68072.47722.17271.12151.81582.22172.56643.13962.5531
H93.97894.57134.68852.68092.47722.17271.12151.81582.22173.13952.56582.5540
C104.90005.09085.86693.75724.03262.47161.56672.22172.22171.10821.10821.1089
H115.05715.10566.06544.05314.47242.71762.21122.56643.13951.10821.80181.8031
H125.05855.10746.06674.05404.47272.71872.21133.13962.56581.10821.80181.8031
H135.82626.11846.72764.59014.64933.44252.20332.55312.55401.10891.80311.8031

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 121.806 C1 C4 O6 120.941
H2 C1 H3 117.740 H2 C1 C4 121.877
H3 C1 C4 120.383 C4 O6 C7 109.621
H5 C4 O6 117.252 O6 C7 H8 110.528
O6 C7 H9 110.527 O6 C7 C10 106.945
C7 C10 H11 110.339 C7 C10 H12 110.346
C7 C10 H13 109.682 H8 C7 H9 108.104
H8 C7 C10 110.375 H9 C7 C10 110.377
H11 C10 H12 108.771 H11 C10 H13 108.832
H12 C10 H13 108.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 H 0.070      
3 H 0.069      
4 C -0.010      
5 H 0.069      
6 O -0.144      
7 C -0.040      
8 H 0.075      
9 H 0.075      
10 C -0.215      
11 H 0.083      
12 H 0.083      
13 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.345 1.175 -0.000 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.503 0.065 0.000
y 0.065 -28.366 0.000
z 0.000 0.000 -30.093
Traceless
 xyz
x 0.727 0.065 0.000
y 0.065 0.932 0.000
z 0.000 0.000 -1.659
Polar
3z2-r2-3.318
x2-y2-0.136
xy0.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.126 -0.575 -0.000
y -0.575 3.629 0.000
z -0.000 0.000 2.071


<r2> (average value of r2) Å2
<r2> 169.694
(<r2>)1/2 13.027