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: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-308.763998
Energy at 298.15K-308.776211
Nuclear repulsion energy261.674784
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 B3LYP/6-31G
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 3167 3047 30.02      
2 A 3159 3039 12.53      
3 A 3067 2951 122.93      
4 A 3055 2939 7.90      
5 A 3008 2893 54.75      
6 A 2940 2828 58.53      
7 A 1548 1489 3.52      
8 A 1539 1480 5.95      
9 A 1526 1468 15.08      
10 A 1500 1443 1.69      
11 A 1453 1398 20.10      
12 A 1395 1342 34.69      
13 A 1233 1187 5.97      
14 A 1169 1125 16.56      
15 A 1159 1115 25.84      
16 A 1106 1064 22.18      
17 A 1033 993 30.13      
18 A 842 810 10.78      
19 A 524 505 11.04      
20 A 422 406 15.20      
21 A 243 234 4.12      
22 A 173 166 1.39      
23 A 43 41 7.27      
24 A 3167 3047 18.48      
25 A 3123 3004 37.87      
26 A 3065 2949 15.19      
27 A 3006 2892 58.18      
28 A 1548 1489 15.14      
29 A 1531 1473 0.14      
30 A 1528 1470 0.22      
31 A 1503 1446 1.15      
32 A 1406 1353 57.63      
33 A 1194 1149 48.22      
34 A 1165 1121 8.51      
35 A 1145 1102 163.80      
36 A 1045 1006 182.42      
37 A 875 842 10.08      
38 A 450 433 2.87      
39 A 337 324 2.09      
40 A 239 230 0.23      
41 A 186 179 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30908.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 29733.7 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 B3LYP/6-31G
ABC
0.21076 0.07142 0.05980

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.493 -0.468 1.138
O2 -0.493 -0.468 -1.138
C3 -0.493 0.343 2.338
C4 -0.493 0.343 -2.338
C5 0.156 0.130 0.000
C6 1.648 -0.179 0.000
H7 0.519 0.496 2.738
H8 0.519 0.496 -2.738
H9 -1.085 -0.209 3.069
H10 -1.085 -0.209 -3.069
H11 -0.958 1.324 2.160
H12 -0.958 1.324 -2.160
H13 -0.030 1.221 0.000
H14 1.781 -1.263 0.000
H15 2.138 0.240 -0.886
H16 2.138 0.240 0.886

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O12.27511.44923.56931.44002.44182.12454.11942.03634.25552.11483.78152.08802.66413.39402.7362
O22.27513.56931.44921.44002.44184.11942.12454.25552.03633.78152.11482.08802.66412.73623.3940
C31.44923.56934.67662.43623.21321.09875.17801.09045.46731.09974.62722.54003.63604.16303.0070
C43.56931.44924.67662.43623.21325.17801.09875.46731.09044.62721.09972.54003.63603.00704.1630
C51.44001.44002.43622.43621.52322.78552.78553.32753.32752.70782.70781.10632.14012.17342.1734
C62.44182.44183.21323.21321.52323.03703.03704.10924.10923.70323.70322.18481.09301.09571.0957
H72.12454.11941.09875.17802.78553.03705.47501.78306.06481.78925.18182.88453.49013.97712.4726
H84.11942.12455.17801.09872.78553.03705.47506.06481.78305.18181.78922.88453.49012.47263.9771
H92.03634.25551.09045.46733.32754.10921.78306.06486.13741.78695.45023.54604.32895.12143.9180
H104.25552.03635.46731.09043.32754.10926.06481.78306.13745.45021.78693.54604.32893.91805.1214
H112.11483.78151.09974.62722.70783.70321.78925.18181.78695.45024.31972.35304.34284.47633.5187
H123.78152.11484.62721.09972.70783.70325.18181.78925.45021.78694.31972.35304.34283.51874.4763
H132.08802.08802.54002.54001.10632.18482.88452.88453.54603.54602.35302.35303.07392.53902.5390
H142.66412.66413.63603.63602.14011.09303.49013.49014.32894.32894.34284.34283.07391.78151.7815
H153.39402.73624.16303.00702.17341.09573.97712.47265.12143.91804.47633.51872.53901.78151.7723
H162.73623.39403.00704.16302.17341.09572.47263.97713.91805.12143.51874.47632.53901.78151.7723

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 112.254 O1 C3 H9 105.736
O1 C3 H11 111.395 O1 C5 O2 104.364
O1 C5 C6 110.952 O1 C5 H13 109.473
O2 C4 H8 112.254 O2 C4 H10 105.736
O2 C4 H12 111.395 O2 C5 C6 110.952
O2 C5 H13 109.473 C3 O1 C5 114.960
C4 O2 C5 114.960 C5 C6 H14 108.665
C5 C6 H15 111.126 C5 C6 H16 111.126
C6 C5 H13 111.389 H7 C3 H9 109.071
H7 C3 H11 108.946 H8 C4 H10 109.071
H8 C4 H12 108.946 H9 C3 H11 109.350
H10 C4 H12 109.350 H14 C6 H15 108.966
H14 C6 H16 108.966 H15 C6 H16 107.947
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.493      
2 O -0.493      
3 C -0.168      
4 C -0.168      
5 C 0.334      
6 C -0.405      
7 H 0.131      
8 H 0.132      
9 H 0.167      
10 H 0.167      
11 H 0.131      
12 H 0.130      
13 H 0.099      
14 H 0.171      
15 H 0.133      
16 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.008 1.184 2.914 3.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.685 -1.875 0.000
y -1.875 -39.804 0.000
z 0.000 0.000 -30.775
Traceless
 xyz
x -3.395 -1.875 0.000
y -1.875 -5.075 0.000
z 0.000 0.000 8.470
Polar
3z2-r216.939
x2-y21.120
xy-1.875
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.914 -0.126 0.000
y -0.126 6.484 0.000
z 0.000 0.000 9.397


<r2> (average value of r2) Å2
<r2> 206.576
(<r2>)1/2 14.373