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 C3H7OC3H7 (di-n-propyl ether)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-311.908882
Energy at 298.15K-311.924434
HF Energy-311.908882
Nuclear repulsion energy315.413786
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 PBE1PBE/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 A1 3155 2998 39.67      
2 A1 3081 2928 48.86      
3 A1 3068 2916 14.51      
4 A1 2988 2840 88.39      
5 A1 1565 1487 0.90      
6 A1 1536 1460 7.67      
7 A1 1521 1445 0.13      
8 A1 1480 1406 0.50      
9 A1 1439 1368 2.16      
10 A1 1355 1287 2.83      
11 A1 1196 1136 3.09      
12 A1 1094 1039 8.21      
13 A1 1042 990 16.59      
14 A1 938 891 8.29      
15 A1 438 416 0.47      
16 A1 323 307 0.21      
17 A1 104 99 0.18      
18 A2 3145 2989 0.00      
19 A2 3120 2965 0.00      
20 A2 3013 2863 0.00      
21 A2 1528 1452 0.00      
22 A2 1331 1265 0.00      
23 A2 1283 1219 0.00      
24 A2 1193 1134 0.00      
25 A2 906 861 0.00      
26 A2 773 734 0.00      
27 A2 236 224 0.00      
28 A2 142 135 0.00      
29 A2 79 75 0.00      
30 B1 3146 2989 110.98      
31 B1 3120 2965 6.36      
32 B1 3010 2860 117.30      
33 B1 1528 1452 16.37      
34 B1 1334 1268 0.52      
35 B1 1291 1227 3.60      
36 B1 1217 1156 4.01      
37 B1 919 873 3.75      
38 B1 775 736 4.52      
39 B1 238 227 0.35      
40 B1 163 155 5.17      
41 B1 58 55 0.25      
42 B2 3155 2998 19.57      
43 B2 3080 2927 3.44      
44 B2 3068 2915 36.72      
45 B2 2976 2828 13.14      
46 B2 1545 1468 12.14      
47 B2 1533 1457 0.47      
48 B2 1520 1444 1.77      
49 B2 1439 1368 0.02      
50 B2 1431 1360 51.80      
51 B2 1340 1273 14.84      
52 B2 1211 1151 237.65      
53 B2 1144 1087 1.89      
54 B2 1079 1025 0.00      
55 B2 915 869 2.64      
56 B2 520 494 5.23      
57 B2 252 239 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 43036.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 40897.6 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 PBE1PBE/6-31G*
ABC
0.45373 0.02671 0.02596

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.388
C2 0.000 1.171 -0.390
C3 0.000 -1.171 -0.390
C4 0.000 2.374 0.533
C5 0.000 -2.374 0.533
C6 0.000 3.691 -0.232
C7 0.000 -3.691 -0.232
H8 0.887 1.195 -1.049
H9 -0.887 1.195 -1.049
H10 -0.887 -1.195 -1.049
H11 0.887 -1.195 -1.049
H12 0.879 2.311 1.186
H13 -0.879 2.311 1.186
H14 -0.879 -2.311 1.186
H15 0.879 -2.311 1.186
H16 0.000 4.545 0.452
H17 -0.885 3.780 -0.874
H18 0.885 3.780 -0.874
H19 0.000 -4.545 0.452
H20 0.885 -3.780 -0.874
H21 -0.885 -3.780 -0.874

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21
O11.40521.40522.37832.37833.74243.74242.06802.06802.06802.06802.59802.59802.59802.59804.54584.08234.08234.54584.08234.0823
C21.40522.34141.51633.66272.52504.86411.10521.10522.61092.61092.13422.13423.92123.92123.47802.79782.79785.77775.05285.0528
C31.40522.34143.66271.51634.86412.52502.61092.61091.10521.10523.92123.92122.13422.13425.77775.05285.05283.47802.79782.7978
C42.37831.51633.66274.74761.52316.11272.16302.16304.00304.00301.09681.09684.81084.81082.17302.17732.17736.91966.37476.3747
C52.37833.66271.51634.74766.11271.52314.00304.00302.16302.16304.81084.81081.09681.09686.91966.37476.37472.17302.17732.1773
C63.74242.52504.86411.52316.11277.38162.77192.77195.03225.03222.16522.16526.22916.22911.09471.09651.09658.26457.55087.5508
C73.74244.86412.52506.11271.52317.38165.03225.03222.77192.77196.22916.22912.16522.16528.26457.55087.55081.09471.09651.0965
H82.06801.10522.61092.16304.00302.77195.03221.77392.97612.38972.49763.05904.51684.15713.77693.13932.59165.99904.97845.2842
H92.06801.10522.61092.16304.00302.77195.03221.77392.38972.97613.05902.49764.15714.51683.77692.59163.13935.99905.28424.9784
H102.06802.61091.10524.00302.16305.03222.77192.97612.38971.77394.51684.15712.49763.05905.99904.97845.28423.77693.13932.5916
H112.06802.61091.10524.00302.16305.03222.77192.38972.97611.77394.15714.51683.05902.49765.99905.28424.97843.77692.59163.1393
H122.59802.13423.92121.09684.81082.16526.22912.49763.05904.51684.15711.75844.94474.62142.51093.08432.53016.95106.42996.6675
H132.59802.13423.92121.09684.81082.16526.22913.05902.49764.15714.51681.75844.62144.94472.51092.53013.08436.95106.66756.4299
H142.59803.92122.13424.81081.09686.22912.16524.51684.15712.49763.05904.94474.62141.75846.95106.42996.66752.51093.08432.5301
H152.59803.92122.13424.81081.09686.22912.16524.15714.51683.05902.49764.62144.94471.75846.95106.66756.42992.51092.53013.0843
H164.54583.47805.77772.17306.91961.09478.26453.77693.77695.99905.99902.51092.51096.95106.95101.76791.76799.09068.47708.4770
H174.08232.79785.05282.17736.37471.09657.55083.13932.59164.97845.28423.08432.53016.42996.66751.76791.76948.47707.76527.5610
H184.08232.79785.05282.17736.37471.09657.55082.59163.13935.28424.97842.53013.08436.66756.42991.76791.76948.47707.56107.7652
H194.54585.77773.47806.91962.17308.26451.09475.99905.99903.77693.77696.95106.95102.51092.51099.09068.47708.47701.76791.7679
H204.08235.05282.79786.37472.17737.55081.09654.97845.28423.13932.59166.42996.66753.08432.53018.47707.76527.56101.76791.7694
H214.08235.05282.79786.37472.17737.55081.09655.28424.97842.59163.13936.66756.42992.53013.08438.47707.56107.76521.76791.7694

picture of di-n-propyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 108.933 O1 C2 H8 110.362
O1 C2 H9 110.362 O1 C3 C5 108.933
O1 C3 H10 110.362 O1 C3 H11 110.362
C2 O1 C3 112.844 C2 C4 C6 112.354
C2 C4 H12 108.453 C2 C4 H13 108.453
C3 C5 C7 112.354 C3 C5 H14 108.453
C3 C5 H15 108.453 C4 C2 H8 110.215
C4 C2 H9 110.215 C4 C6 H16 111.159
C4 C6 H17 111.387 C4 C6 H18 111.387
C5 C3 H10 110.215 C5 C3 H11 110.215
C5 C7 H19 111.159 C5 C7 H20 111.387
C5 C7 H21 111.387 C6 C4 H12 110.407
C6 C4 H13 110.407 C7 C5 H14 110.407
C7 C5 H15 110.407 H8 C2 H9 106.742
H10 C3 H11 106.742 H12 C4 H13 106.568
H14 C5 H15 106.568 H16 C6 H17 107.570
H16 C6 H18 107.570 H17 C6 H18 107.571
H19 C7 H20 107.570 H19 C7 H21 107.570
H20 C7 H21 107.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.482      
2 C -0.045      
3 C -0.045      
4 C -0.338      
5 C -0.338      
6 C -0.532      
7 C -0.532      
8 H 0.139      
9 H 0.139      
10 H 0.139      
11 H 0.139      
12 H 0.179      
13 H 0.179      
14 H 0.179      
15 H 0.179      
16 H 0.179      
17 H 0.171      
18 H 0.171      
19 H 0.179      
20 H 0.171      
21 H 0.171      


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 -0.906 0.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.534 0.000 0.000
y 0.000 -43.104 0.000
z 0.000 0.000 -46.590
Traceless
 xyz
x -0.687 0.000 0.000
y 0.000 2.958 0.000
z 0.000 0.000 -2.271
Polar
3z2-r2-4.541
x2-y2-2.430
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.040 0.000 0.000
y 0.000 12.641 0.000
z 0.000 0.000 9.257


<r2> (average value of r2) Å2
<r2> 431.176
(<r2>)1/2 20.765

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-311.909600
Energy at 298.15K-311.925360
HF Energy-311.909600
Nuclear repulsion energy326.054730
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 PBE1PBE/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 3170 3013 5.07      
2 A 3147 2991 53.34      
3 A 3115 2961 11.60      
4 A 3074 2921 1.68      
5 A 3073 2920 8.62      
6 A 3021 2871 6.96      
7 A 2991 2842 94.17      
8 A 1560 1483 2.11      
9 A 1538 1461 5.05      
10 A 1523 1447 7.27      
11 A 1506 1431 1.08      
12 A 1471 1398 2.91      
13 A 1437 1365 2.36      
14 A 1395 1325 0.22      
15 A 1332 1265 3.38      
16 A 1284 1220 0.21      
17 A 1199 1139 8.31      
18 A 1163 1105 10.73      
19 A 1111 1056 6.30      
20 A 977 928 6.31      
21 A 933 887 7.63      
22 A 923 877 0.05      
23 A 762 724 0.10      
24 A 488 464 0.10      
25 A 338 321 0.34      
26 A 273 259 0.64      
27 A 169 161 0.05      
28 A 114 108 0.02      
29 A 47 45 0.00      
30 B 3170 3012 46.06      
31 B 3147 2991 26.68      
32 B 3115 2960 26.38      
33 B 3074 2921 66.76      
34 B 3073 2920 45.97      
35 B 3017 2867 108.79      
36 B 2979 2831 13.93      
37 B 1538 1462 0.05      
38 B 1536 1459 15.48      
39 B 1522 1446 9.48      
40 B 1505 1431 4.74      
41 B 1438 1366 15.37      
42 B 1418 1347 41.86      
43 B 1389 1320 23.47      
44 B 1322 1257 3.62      
45 B 1294 1230 6.81      
46 B 1213 1153 152.46      
47 B 1196 1137 31.95      
48 B 1127 1071 15.43      
49 B 1046 994 29.77      
50 B 946 899 1.42      
51 B 902 857 0.44      
52 B 795 755 3.88      
53 B 504 479 1.10      
54 B 326 310 0.64      
55 B 224 213 2.39      
56 B 172 163 4.24      
57 B 77 74 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 43097.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 40955.5 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 PBE1PBE/6-31G*
ABC
0.17897 0.03750 0.03564

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.116
C2 0.020 1.173 0.892
C3 -0.020 -1.173 0.892
C4 0.000 2.375 -0.034
C5 0.000 -2.375 -0.034
C6 -1.261 2.447 -0.884
C7 1.261 -2.447 -0.884
H8 -0.854 1.197 1.567
H9 0.922 1.191 1.529
H10 0.854 -1.197 1.567
H11 -0.922 -1.191 1.529
H12 0.887 2.329 -0.679
H13 0.100 3.280 0.579
H14 -0.887 -2.329 -0.679
H15 -0.100 -3.280 0.579
H16 -1.238 3.310 -1.558
H17 -1.368 1.542 -1.490
H18 -2.156 2.536 -0.256
H19 1.238 -3.310 -1.558
H20 1.368 -1.542 -1.490
H21 2.156 -2.536 -0.256

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21
O11.40611.40612.37942.37942.92912.92912.06592.06552.06592.06552.61573.31422.61573.31423.91072.61323.34943.91072.61323.3494
C21.40612.34541.51713.66592.53424.21851.10541.10412.60092.62322.13392.13223.94344.46533.48642.78152.81295.25173.85474.4307
C31.40612.34543.66591.51714.21852.53422.60092.62321.10541.10413.94344.46532.13392.13225.25173.85474.43073.48642.78152.8129
C42.37941.51713.66594.74931.52335.05612.16312.16624.00584.00091.09731.09784.82995.68882.17542.16442.17316.01484.39725.3680
C52.37943.66591.51714.74935.05611.52334.00584.00092.16312.16624.82995.68881.09731.09786.01484.39725.36802.17542.16442.1731
C62.92912.53424.21851.52335.05615.50602.78173.48844.87474.37922.16102.16564.79536.02411.09511.09381.09686.31284.81616.0751
C72.92914.21852.53425.05611.52335.50604.87474.37922.78173.48844.79536.02412.16102.16566.31284.81616.07511.09511.09381.0968
H82.06591.10542.60092.16314.00582.78174.87471.77662.94092.38923.05872.49574.18034.64623.79193.11902.60955.87014.66755.1302
H92.06551.10412.62322.16624.00093.48844.37921.77662.38923.01232.48412.43754.53184.68414.32283.80543.80345.46754.09724.3131
H102.06592.60091.10544.00582.16314.87472.78172.94092.38921.77664.18034.64623.05872.49575.87014.66755.13023.79193.11902.6095
H112.06552.62321.10414.00092.16624.37923.48842.38923.01231.77664.53184.68412.48412.43755.46754.09724.31314.32283.80543.8034
H122.61572.13393.94341.09734.82992.16104.79533.05872.48414.18034.53181.76174.98445.83262.50032.52173.07845.71863.98495.0462
H133.31422.13224.46531.09785.68882.16566.02412.49572.43754.64624.68411.76175.83266.56342.52163.07502.51787.02115.39856.2252
H142.61573.94342.13394.82991.09734.79532.16104.18034.53183.05872.48414.98445.83261.76175.71863.98495.04622.50032.52173.0784
H153.31424.46532.13225.68881.09786.02412.16564.64624.68412.49572.43755.83266.56341.76177.02115.39856.22522.52163.07502.5178
H163.91073.48645.25172.17546.01481.09516.31283.79194.32285.87015.46752.50032.52165.71867.02111.77401.77087.06915.50886.8849
H172.61322.78153.85472.16444.39721.09384.81613.11903.80544.66754.09722.52173.07503.98495.39851.77401.77005.50884.12305.5295
H183.34942.81294.43072.17315.36801.09686.07512.60953.80345.13024.31313.07842.51785.04626.22521.77081.77006.88495.52956.6574
H193.91075.25173.48646.01482.17546.31281.09515.87015.46753.79194.32285.71867.02112.50032.52167.06915.50886.88491.77401.7708
H202.61323.85472.78154.39722.16444.81611.09384.66754.09723.11903.80543.98495.39852.52173.07505.50884.12305.52951.77401.7700
H213.34944.43072.81295.36802.17316.07511.09685.13024.31312.60953.80345.04626.22523.07842.51786.88495.52956.65741.77081.7700

picture of di-n-propyl ether state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 108.906 O1 C2 H8 110.108
O1 C2 H9 110.157 O1 C3 C5 108.906
O1 C3 H10 110.108 O1 C3 H11 110.157
C2 O1 C3 113.021 C2 C4 C6 112.922
C2 C4 H12 108.345 C2 C4 H13 108.184
C3 C5 C7 112.922 C3 C5 H14 108.345
C3 C5 H15 108.184 C4 C2 H8 110.150
C4 C2 H9 110.473 C4 C6 H16 111.314
C4 C6 H17 110.516 C4 C6 H18 111.026
C5 C3 H10 110.150 C5 C3 H11 110.473
C5 C7 H19 111.314 C5 C7 H20 110.516
C5 C7 H21 111.026 C6 C4 H12 110.040
C6 C4 H13 110.377 C7 C5 H14 110.040
C7 C5 H15 110.377 H8 C2 H9 107.038
H10 C3 H11 107.038 H12 C4 H13 106.756
H14 C5 H15 106.756 H16 C6 H17 108.279
H16 C6 H18 107.775 H17 C6 H18 107.797
H19 C7 H20 108.279 H19 C7 H21 107.775
H20 C7 H21 107.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.473      
2 C -0.055      
3 C -0.055      
4 C -0.341      
5 C -0.341      
6 C -0.520      
7 C -0.520      
8 H 0.139      
9 H 0.145      
10 H 0.139      
11 H 0.145      
12 H 0.177      
13 H 0.164      
14 H 0.177      
15 H 0.164      
16 H 0.169      
17 H 0.193      
18 H 0.164      
19 H 0.169      
20 H 0.193      
21 H 0.164      


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 0.953 0.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.350 0.342 0.000
y 0.342 -43.501 0.000
z 0.000 0.000 -45.249
Traceless
 xyz
x -1.975 0.342 0.000
y 0.342 2.299 0.000
z 0.000 0.000 -0.324
Polar
3z2-r2-0.648
x2-y2-2.849
xy0.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.487 -0.494 0.000
y -0.494 11.565 0.000
z 0.000 0.000 9.600


<r2> (average value of r2) Å2
<r2> 341.366
(<r2>)1/2 18.476