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 C4H10O2 (1,1-Dimethoxyethane)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-306.987929
Energy at 298.15K-306.999314
HF Energy-306.987929
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 B97D3/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3108 3056 17.18      
2 A' 3083 3030 32.54      
3 A' 3012 2961 19.17      
4 A' 2973 2922 126.36      
5 A' 2929 2879 64.64      
6 A' 2845 2796 69.54      
7 A' 1549 1523 2.83      
8 A' 1542 1515 3.72      
9 A' 1518 1493 14.99      
10 A' 1476 1451 1.18      
11 A' 1421 1397 21.36      
12 A' 1367 1344 27.30      
13 A' 1192 1172 2.95      
14 A' 1140 1120 3.13      
15 A' 1117 1098 22.78      
16 A' 1064 1046 30.57      
17 A' 978 962 33.15      
18 A' 811 797 8.41      
19 A' 500 491 8.02      
20 A' 410 403 11.92      
21 A' 234 230 3.35      
22 A' 187 184 1.32      
23 A' 67 66 5.72      
24 A" 3083 3030 18.26      
25 A" 3073 3021 42.45      
26 A" 2972 2921 19.13      
27 A" 2927 2877 59.66      
28 A" 1549 1523 18.83      
29 A" 1522 1496 0.16      
30 A" 1519 1494 0.30      
31 A" 1480 1455 0.04      
32 A" 1351 1328 69.12      
33 A" 1156 1136 17.50      
34 A" 1136 1116 9.62      
35 A" 1119 1100 155.19      
36 A" 1002 985 201.32      
37 A" 860 845 8.25      
38 A" 447 440 3.48      
39 A" 326 321 2.14      
40 A" 238 234 0.11      
41 A" 209 205 0.03      
42 A" 61 60 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 30276.3 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 29761.6 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 B97D3/3-21G
ABC
0.21605 0.07079 0.05996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.458 -0.567 1.140
O2 -0.458 -0.567 -1.140
C3 -0.458 0.249 2.356
C4 -0.458 0.249 -2.356
C5 0.070 0.163 0.000
C6 1.604 0.143 0.000
H7 0.560 0.501 2.702
H8 0.560 0.501 -2.702
H9 -0.953 -0.365 3.119
H10 -0.953 -0.365 -3.119
H11 -1.024 1.190 2.220
H12 -1.024 1.190 -2.220
H13 -0.307 1.211 0.000
H14 1.926 -0.905 0.000
H15 2.002 0.649 -0.891
H16 2.002 0.649 0.891

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.27921.46483.58971.45322.46122.14904.11512.04984.29152.13843.83292.11722.66423.41402.7557
O22.27923.58971.46481.45322.46124.11512.14904.29152.04983.83292.13842.11722.66422.75573.4140
C31.46483.58974.71242.41623.13321.10465.16561.09635.53111.10634.70582.54953.54514.09362.8914
C43.58971.46484.71242.41623.13325.16561.10465.53111.09634.70581.10632.54953.54512.89144.0936
C51.45321.45322.41622.41621.53442.76652.76653.32423.32422.67892.67891.11312.14172.18232.1823
C62.46122.46123.13323.13321.53442.91842.91844.06474.06473.59563.59562.18931.09661.09901.0990
H72.14904.11511.10465.16562.76652.91845.40341.79226.07561.79325.21572.92493.33803.87412.3194
H84.11512.14905.16561.10462.76652.91845.40346.07561.79225.21571.79322.92493.33802.31943.8741
H92.04984.29151.09635.53113.32424.06471.79226.07566.23701.79685.56033.55304.27855.08283.8367
H104.29152.04985.53111.09633.32424.06476.07561.79226.23705.56031.79683.55304.27853.83675.0828
H112.13843.83291.10634.70582.67893.59561.79325.21571.79685.56034.43942.33264.24464.37323.3487
H123.83292.13844.70581.10632.67893.59565.21571.79325.56031.79684.43942.33264.24463.34874.3732
H132.11722.11722.54952.54951.11312.18932.92492.92493.55303.55302.33262.33263.07642.53812.5381
H142.66422.66423.54513.54512.14171.09663.33803.33804.27854.27854.24464.24463.07641.79291.7929
H153.41402.75574.09362.89142.18231.09903.87412.31945.08283.83674.37323.34872.53811.79291.7821
H162.75573.41402.89144.09362.18231.09902.31943.87413.83675.08283.34874.37322.53811.79291.7821

picture of 1,1-Dimethoxyethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H7 113.455 O1 C3 H9 106.537
O1 C3 H11 112.299 O1 C5 O2 105.064
O1 C5 C6 110.989 O1 C5 H13 110.285
O2 C4 H8 113.455 O2 C4 H10 106.537
O2 C4 H12 112.299 O2 C5 C6 110.989
O2 C5 H13 110.285 C3 O1 C5 114.489
C4 O2 C5 114.489 C5 C6 H14 107.829
C5 C6 H15 111.139 C5 C6 H16 111.139
C6 C5 H13 109.181 H7 C3 H9 108.205
H7 C3 H11 107.575 H8 C4 H10 108.205
H8 C4 H12 107.575 H9 C3 H11 108.614
H10 C4 H12 108.614 H14 C6 H15 109.311
H14 C6 H16 109.311 H15 C6 H16 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.462      
2 O -0.462      
3 C -0.354      
4 C -0.354      
5 C 0.285      
6 C -0.606      
7 H 0.185      
8 H 0.185      
9 H 0.221      
10 H 0.221      
11 H 0.182      
12 H 0.182      
13 H 0.161      
14 H 0.229      
15 H 0.194      
16 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.912 2.601 0.000 2.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.448 -1.369 0.000
y -1.369 -39.664 0.000
z 0.000 0.000 -30.685
Traceless
 xyz
x -3.274 -1.369 0.000
y -1.369 -5.098 0.000
z 0.000 0.000 8.371
Polar
3z2-r216.743
x2-y21.216
xy-1.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.700 -0.051 0.000
y -0.051 6.203 0.000
z 0.000 0.000 9.501


<r2> (average value of r2) Å2
<r2> 206.151
(<r2>)1/2 14.358