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: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-232.338367
Energy at 298.15K-232.346697
Nuclear repulsion energy 
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 B1B95/aug-cc-pVDZ
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 3306 3167 4.94      
2 A 3201 3067 0.05      
3 A 3169 3035 19.08      
4 A 3168 3035 24.23      
5 A 3164 3031 18.56      
6 A 3079 2950 35.42      
7 A 3077 2948 15.85      
8 A 3034 2906 55.69      
9 A 1733 1660 194.19      
10 A 1499 1436 5.60      
11 A 1475 1413 1.92      
12 A 1457 1396 6.33      
13 A 1431 1370 3.05      
14 A 1404 1345 70.46      
15 A 1369 1311 19.46      
16 A 1333 1277 5.27      
17 A 1293 1239 0.77      
18 A 1237 1185 261.73      
19 A 1169 1120 4.08      
20 A 1159 1111 126.92      
21 A 1108 1062 7.37      
22 A 991 950 6.98      
23 A 975 934 21.47      
24 A 863 827 55.31      
25 A 859 823 4.20      
26 A 813 779 1.73      
27 A 706 676 6.92      
28 A 495 474 2.65      
29 A 433 415 1.43      
30 A 243 233 0.40      
31 A 207 198 0.20      
32 A 92 88 2.73      
33 A 41 39 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24791.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 23748.1 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 B1B95/aug-cc-pVDZ
ABC
0.80934 0.07915 0.07412

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.442 -0.290 0.000
H2 -2.503 -1.374 0.002
H3 -3.360 0.288 -0.000
C4 -1.271 0.344 -0.001
H5 -1.207 1.435 -0.002
O6 -0.085 -0.306 -0.000
C7 1.065 0.532 0.001
H8 1.045 1.176 0.893
H9 1.045 1.179 -0.889
C10 2.289 -0.346 -0.000
H11 2.306 -0.987 0.887
H12 2.306 -0.984 -0.890
H13 3.192 0.273 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 O6 C7 H8 H9 C10 H11 H12 H13
C11.08631.08451.33172.12102.35743.60223.88613.88644.73164.87994.88055.6624
H21.08631.87002.11493.09372.64424.04604.45964.46114.90194.90544.90735.9294
H31.08451.87002.08952.43883.32854.43154.58084.58045.68455.87465.87466.5520
C41.33172.11492.08951.09221.35292.34362.61762.61673.62663.91833.91794.4638
H52.12103.09372.43881.09222.07132.44492.43672.43343.92384.35834.35664.5501
O62.35742.64423.32851.35292.07131.42302.06642.06642.37432.63912.63953.3279
C73.60224.04604.43152.34362.44491.42301.10001.10001.50672.15212.15212.1429
H83.88614.45964.58082.61762.43672.06641.10001.78112.15962.50393.07152.4945
H93.88644.46114.58042.61672.43342.06641.10001.78112.15963.07142.50372.4948
C104.73164.90195.68453.62663.92382.37431.50672.15962.15961.09451.09451.0951
H114.87994.90545.87463.91834.35832.63912.15212.50393.07141.09451.77671.7774
H124.88054.90735.87463.91794.35662.63952.15213.07152.50371.09451.77671.7774
H135.66245.92946.55204.46384.55013.32792.14292.49452.49481.09511.77741.7774

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 121.781 C1 C4 O6 122.831
H2 C1 H3 118.959 H2 C1 C4 121.680
H3 C1 C4 119.361 C4 O6 C7 115.168
H5 C4 O6 115.387 O6 C7 H8 109.305
O6 C7 H9 109.305 O6 C7 C10 108.246
C7 C10 H11 110.658 C7 C10 H12 110.661
C7 C10 H13 109.889 H8 C7 H9 108.107
H8 C7 C10 110.927 H9 C7 C10 110.928
H11 C10 H12 108.514 H11 C10 H13 108.528
H12 C10 H13 108.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.751      
2 H -0.561      
3 H -0.398      
4 C 1.028      
5 H -0.663      
6 O -0.618      
7 C 1.095      
8 H -0.350      
9 H -0.350      
10 C 0.501      
11 H -0.153      
12 H -0.153      
13 H -0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.254 1.246 0.001 1.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.104 0.094 0.002
y 0.094 -30.814 -0.005
z 0.002 -0.005 -33.577
Traceless
 xyz
x 2.092 0.094 0.002
y 0.094 1.026 -0.005
z 0.002 -0.005 -3.119
Polar
3z2-r2-6.237
x2-y20.710
xy0.094
xz0.002
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.758 0.707 -0.000
y 0.707 7.935 -0.000
z -0.000 -0.000 6.899


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000