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All results from a given calculation for C4H10O (Ethoxy ethane)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-232.073137
Energy at 298.15K-232.084135
HF Energy-232.073137
Nuclear repulsion energy186.788976
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 PBEPBE/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 A1 3076 3048 25.70      
2 A1 2999 2971 5.91      
3 A1 2902 2876 89.66      
4 A1 1552 1537 1.00      
5 A1 1525 1511 5.01      
6 A1 1411 1398 6.27      
7 A1 1406 1393 4.85      
8 A1 1143 1132 10.61      
9 A1 1008 998 4.61      
10 A1 812 805 4.71      
11 A1 422 418 0.08      
12 A1 180 178 0.71      
13 A2 3080 3052 0.00      
14 A2 2921 2895 0.00      
15 A2 1503 1489 0.00      
16 A2 1277 1265 0.00      
17 A2 1133 1122 0.00      
18 A2 836 829 0.00      
19 A2 238 236 0.00      
20 A2 113 112 0.00      
21 B1 3080 3052 44.69      
22 B1 2920 2894 129.12      
23 B1 1503 1489 15.03      
24 B1 1275 1263 0.14      
25 B1 1170 1159 10.59      
26 B1 846 838 4.51      
27 B1 239 237 1.70      
28 B1 97 96 4.51      
29 B2 3076 3048 15.74      
30 B2 2998 2971 20.39      
31 B2 2891 2864 11.36      
32 B2 1534 1520 1.53      
33 B2 1520 1506 12.51      
34 B2 1406 1394 17.72      
35 B2 1335 1322 59.00      
36 B2 1103 1093 79.89      
37 B2 1048 1038 85.03      
38 B2 925 916 6.03      
39 B2 398 395 5.94      

Unscaled Zero Point Vibrational Energy (zpe) 29448.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 29180.5 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 PBEPBE/3-21G
ABC
0.56724 0.07328 0.06830

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.283
C2 0.000 1.209 -0.547
C3 0.000 -1.209 -0.547
C4 0.000 2.394 0.425
C5 0.000 -2.394 0.425
H6 0.898 1.240 -1.204
H7 -0.898 1.240 -1.204
H8 0.898 -1.240 -1.204
H9 -0.898 -1.240 -1.204
H10 0.000 3.350 -0.125
H11 0.000 -3.350 -0.125
H12 -0.895 2.343 1.067
H13 0.895 2.343 1.067
H14 0.895 -2.343 1.067
H15 -0.895 -2.343 1.067

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
O11.46631.46632.39802.39802.13372.13372.13372.13373.37473.37472.62822.62822.62822.6282
C21.46632.41811.53243.73161.11261.11262.69002.69002.18204.57852.16622.16624.00324.0032
C31.46632.41813.73161.53242.69002.69001.11261.11264.57852.18204.00324.00322.16622.1662
C42.39801.53243.73164.78762.18822.18824.08224.08221.10325.77011.10241.10244.86364.8636
C52.39803.73161.53244.78764.08224.08222.18822.18825.77011.10324.86364.86361.10241.1024
H62.13371.11262.69002.18824.08221.79522.48053.06202.53364.79983.09602.52454.24254.6055
H72.13371.11262.69002.18824.08221.79523.06202.48052.53364.79982.52453.09604.60554.2425
H82.13372.69001.11264.08222.18822.48053.06201.79524.79982.53364.60554.24252.52453.0960
H92.13372.69001.11264.08222.18823.06202.48051.79524.79982.53364.24254.60553.09602.5245
H103.37472.18204.57851.10325.77012.53362.53364.79984.79986.70001.79881.79885.88545.8854
H113.37474.57852.18205.77011.10324.79984.79982.53362.53366.70005.88545.88541.79881.7988
H122.62822.16624.00321.10244.86363.09602.52454.60554.24251.79885.88541.78925.01684.6869
H132.62822.16624.00321.10244.86362.52453.09604.24254.60551.79885.88541.78924.68695.0168
H142.62824.00322.16624.86361.10244.24254.60552.52453.09605.88541.79885.01684.68691.7892
H152.62824.00322.16624.86361.10244.60554.24253.09602.52455.88541.79884.68695.01681.7892

picture of Ethoxy ethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 106.183 O1 C2 H6 110.919
O1 C2 H7 110.919 O1 C3 C5 106.183
O1 C3 H8 110.919 O1 C3 H9 110.919
C2 O1 C3 111.088 C2 C4 H10 110.715
C2 C4 H12 109.520 C2 C4 H13 109.520
C3 C5 H11 110.715 C3 C5 H14 109.520
C3 C5 H15 109.520 C4 C2 H6 110.647
C4 C2 H7 110.647 C5 C3 H8 110.647
C5 C3 H9 110.647 H6 C2 H7 107.563
H8 C3 H9 107.563 H10 C4 H12 109.282
H10 C4 H13 109.282 H11 C5 H14 109.282
H11 C5 H15 109.282 H12 C4 H13 108.485
H14 C5 H15 108.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.435      
2 C -0.171      
3 C -0.171      
4 C -0.616      
5 C -0.616      
6 H 0.184      
7 H 0.184      
8 H 0.184      
9 H 0.184      
10 H 0.198      
11 H 0.198      
12 H 0.219      
13 H 0.219      
14 H 0.219      
15 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.133 1.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.946 0.000 0.000
y 0.000 -30.102 0.000
z 0.000 0.000 -33.085
Traceless
 xyz
x -1.352 0.000 0.000
y 0.000 2.914 0.000
z 0.000 0.000 -1.561
Polar
3z2-r2-3.123
x2-y2-2.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.128 0.000 0.000
y 0.000 8.716 0.000
z 0.000 0.000 6.379


<r2> (average value of r2) Å2
<r2> 180.085
(<r2>)1/2 13.420