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All results from a given calculation for C3H7OC3H7 (di-n-propyl ether)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-56.765816
Energy at 298.15K-56.781682
HF Energy-56.765816
Nuclear repulsion energy180.977614
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 HF/CEP-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 3278 2944 136.94      
2 A1 3239 2909 54.07      
3 A1 3211 2883 77.61      
4 A1 3187 2862 124.20      
5 A1 1667 1497 0.15      
6 A1 1641 1474 5.37      
7 A1 1620 1455 0.09      
8 A1 1604 1441 0.01      
9 A1 1549 1391 0.21      
10 A1 1455 1307 5.11      
11 A1 1271 1141 6.76      
12 A1 1148 1031 17.61      
13 A1 1091 980 15.91      
14 A1 985 884 3.76      
15 A1 465 418 1.25      
16 A1 334 300 0.44      
17 A1 111 100 0.16      
18 A2 3293 2957 0.00      
19 A2 3262 2930 0.00      
20 A2 3205 2878 0.00      
21 A2 1627 1461 0.00      
22 A2 1428 1282 0.00      
23 A2 1376 1236 0.00      
24 A2 1270 1141 0.00      
25 A2 953 856 0.00      
26 A2 798 717 0.00      
27 A2 247 222 0.00      
28 A2 144 130 0.00      
29 A2 75 68 0.00      
30 B1 3294 2958 315.73      
31 B1 3263 2930 22.30      
32 B1 3211 2883 136.53      
33 B1 1627 1461 11.27      
34 B1 1434 1287 1.48      
35 B1 1386 1245 4.88      
36 B1 1291 1160 6.28      
37 B1 969 870 3.01      
38 B1 802 720 0.93      
39 B1 253 227 0.67      
40 B1 173 156 7.91      
41 B1 60 54 0.22      
42 B2 3278 2943 43.09      
43 B2 3238 2908 0.19      
44 B2 3210 2882 86.01      
45 B2 3171 2848 10.36      
46 B2 1649 1481 7.95      
47 B2 1638 1471 5.88      
48 B2 1620 1454 0.28      
49 B2 1565 1405 44.58      
50 B2 1543 1386 26.78      
51 B2 1439 1292 37.41      
52 B2 1286 1155 291.13      
53 B2 1210 1087 0.78      
54 B2 1115 1001 1.40      
55 B2 956 859 0.30      
56 B2 542 487 5.24      
57 B2 268 241 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 45512.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 40870.5 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 HF/CEP-31G*
ABC
0.45147 0.02640 0.02565

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.377
C2 0.000 1.177 -0.391
C3 0.000 -1.177 -0.391
C4 0.000 2.388 0.545
C5 0.000 -2.388 0.545
C6 0.000 3.715 -0.237
C7 0.000 -3.715 -0.237
H8 0.884 1.200 -1.041
H9 -0.884 1.200 -1.041
H10 -0.884 -1.200 -1.041
H11 0.884 -1.200 -1.041
H12 0.878 2.331 1.190
H13 -0.878 2.331 1.190
H14 -0.878 -2.331 1.190
H15 0.878 -2.331 1.190
H16 0.000 4.567 0.444
H17 -0.883 3.799 -0.875
H18 0.883 3.799 -0.875
H19 0.000 -4.567 0.444
H20 0.883 -3.799 -0.875
H21 -0.883 -3.799 -0.875

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
O11.40541.40542.39362.39363.76513.76512.05722.05722.05722.05722.61972.61972.61972.61974.56794.09624.09624.56794.09624.0962
C21.40542.35321.53073.68522.54284.89371.09681.09682.61742.61742.14552.14553.94613.94613.49232.80882.80885.80455.07615.0761
C31.40542.35323.68521.53074.89372.54282.61742.61741.09681.09683.94613.94612.14552.14555.80455.07615.07613.49232.80882.8088
C42.39361.53073.68524.77541.53996.15222.16912.16914.02084.02081.09091.09094.84254.84252.18202.18802.18806.95586.40846.4084
C52.39363.68521.53074.77546.15221.53994.02084.02082.16912.16914.84254.84251.09091.09096.95586.40846.40842.18202.18802.1880
C63.76512.54284.89371.53996.15227.42942.78402.78405.05795.05792.17292.17296.27316.27311.09131.09311.09318.31007.59197.5919
C73.76514.89372.54286.15221.53997.42945.05795.05792.78402.78406.27316.27312.17292.17298.31007.59197.59191.09131.09311.0931
H82.05721.09682.61742.16914.02082.78405.05791.76702.98052.40022.50093.05894.53264.17643.78493.14652.60386.02085.00145.3043
H92.05721.09682.61742.16914.02082.78405.05791.76702.40022.98053.05892.50094.17644.53263.78492.60383.14656.02085.30435.0014
H102.05722.61741.09684.02082.16915.05792.78402.98052.40021.76704.53264.17642.50093.05896.02085.00145.30433.78493.14652.6038
H112.05722.61741.09684.02082.16915.05792.78402.40022.98051.76704.17644.53263.05892.50096.02085.30435.00143.78492.60383.1465
H122.61972.14553.94611.09094.84252.17296.27312.50093.05894.53264.17641.75564.98104.66142.51583.08572.53396.99356.46796.7033
H132.61972.14553.94611.09094.84252.17296.27313.05892.50094.17644.53261.75564.66144.98102.51582.53393.08576.99356.70336.4679
H142.61973.94612.14554.84251.09096.27312.17294.53264.17642.50093.05894.98104.66141.75566.99356.46796.70332.51583.08572.5339
H152.61973.94612.14554.84251.09096.27312.17294.17644.53263.05892.50094.66144.98101.75566.99356.70336.46792.51582.53393.0857
H164.56793.49235.80452.18206.95581.09138.31003.78493.78496.02086.02082.51582.51586.99356.99351.76431.76439.13488.51548.5154
H174.09622.80885.07612.18806.40841.09317.59193.14652.60385.00145.30433.08572.53396.46796.70331.76431.76628.51547.79987.5972
H184.09622.80885.07612.18806.40841.09317.59192.60383.14655.30435.00142.53393.08576.70336.46791.76431.76628.51547.59727.7998
H194.56795.80453.49236.95582.18208.31001.09136.02086.02083.78493.78496.99356.99352.51582.51589.13488.51548.51541.76431.7643
H204.09625.07612.80886.40842.18807.59191.09315.00145.30433.14652.60386.46796.70333.08572.53398.51547.79987.59721.76431.7662
H214.09625.07612.80886.40842.18807.59191.09315.30435.00142.60383.14656.70336.46792.53393.08578.51547.59727.79981.76431.7662

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 109.142 O1 C2 H8 109.986
O1 C2 H9 109.986 O1 C3 C5 109.142
O1 C3 H10 109.986 O1 C3 H11 109.986
C2 O1 C3 113.686 C2 C4 C6 111.808
C2 C4 H12 108.683 C2 C4 H13 108.683
C3 C5 C7 111.808 C3 C5 H14 108.683
C3 C5 H15 108.683 C4 C2 H8 110.192
C4 C2 H9 110.192 C4 C6 H16 110.892
C4 C6 H17 111.263 C4 C6 H18 111.263
C5 C3 H10 110.192 C5 C3 H11 110.192
C5 C7 H19 110.892 C5 C7 H20 111.263
C5 C7 H21 111.263 C6 C4 H12 110.193
C6 C4 H13 110.193 C7 C5 H14 110.193
C7 C5 H15 110.193 H8 C2 H9 107.328
H10 C3 H11 107.328 H12 C4 H13 107.148
H14 C5 H15 107.148 H16 C6 H17 107.740
H16 C6 H18 107.740 H17 C6 H18 107.780
H19 C7 H20 107.740 H19 C7 H21 107.740
H20 C7 H21 107.780
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.338      
2 C -0.167      
3 C -0.167      
4 C 0.060      
5 C 0.060      
6 C -0.375      
7 C -0.375      
8 H 0.072      
9 H 0.072      
10 H 0.072      
11 H 0.072      
12 H 0.087      
13 H 0.087      
14 H 0.087      
15 H 0.087      
16 H 0.144      
17 H 0.094      
18 H 0.094      
19 H 0.144      
20 H 0.094      
21 H 0.094      


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 -1.240 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.281 0.000 0.000
y 0.000 -44.388 0.000
z 0.000 0.000 -47.138
Traceless
 xyz
x 0.482 0.000 0.000
y 0.000 1.822 0.000
z 0.000 0.000 -2.303
Polar
3z2-r2-4.607
x2-y2-0.894
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.245 0.000 0.000
y 0.000 11.861 0.000
z 0.000 0.000 8.616


<r2> (average value of r2) Å2
<r2> 350.170
(<r2>)1/2 18.713

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-56.765976
Energy at 298.15K-56.782039
HF Energy-56.765976
Nuclear repulsion energy186.490103
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 HF/CEP-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 3305 2968 57.82      
2 A 3276 2942 122.33      
3 A 3261 2928 2.88      
4 A 3229 2900 23.02      
5 A 3211 2884 16.65      
6 A 3207 2880 10.26      
7 A 3186 2861 137.24      
8 A 1666 1496 0.26      
9 A 1637 1470 3.25      
10 A 1623 1457 4.99      
11 A 1612 1448 0.49      
12 A 1594 1431 1.01      
13 A 1553 1395 0.69      
14 A 1496 1343 2.35      
15 A 1422 1277 3.55      
16 A 1378 1237 0.27      
17 A 1281 1150 15.51      
18 A 1244 1117 9.85      
19 A 1163 1045 7.63      
20 A 1037 932 13.09      
21 A 985 885 4.49      
22 A 957 859 0.40      
23 A 800 718 0.39      
24 A 507 455 0.01      
25 A 347 312 0.32      
26 A 286 257 0.32      
27 A 172 154 0.10      
28 A 118 106 0.07      
29 A 48 43 0.00      
30 B 3304 2967 112.70      
31 B 3277 2942 127.45      
32 B 3260 2928 57.00      
33 B 3228 2899 145.27      
34 B 3215 2887 231.16      
35 B 3208 2881 9.09      
36 B 3171 2848 3.38      
37 B 1650 1481 1.56      
38 B 1633 1466 11.94      
39 B 1622 1457 6.72      
40 B 1611 1446 1.48      
41 B 1554 1395 4.14      
42 B 1542 1385 83.57      
43 B 1490 1338 26.56      
44 B 1415 1270 5.08      
45 B 1388 1247 6.05      
46 B 1290 1159 170.53      
47 B 1270 1141 62.31      
48 B 1195 1073 15.38      
49 B 1097 985 21.69      
50 B 1001 899 1.59      
51 B 930 835 0.04      
52 B 835 750 0.57      
53 B 521 468 1.67      
54 B 339 304 0.37      
55 B 236 212 1.76      
56 B 178 160 6.96      
57 B 83 74 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 45569.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 40921.5 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 HF/CEP-31G*
ABC
0.17860 0.03656 0.03481

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.124
C2 0.010 1.178 0.893
C3 -0.010 -1.178 0.893
C4 0.000 2.393 -0.039
C5 0.000 -2.393 -0.039
C6 -1.284 2.495 -0.883
C7 1.284 -2.495 -0.883
H8 -0.865 1.200 1.554
H9 0.903 1.198 1.528
H10 0.865 -1.200 1.554
H11 -0.903 -1.198 1.528
H12 0.872 2.336 -0.692
H13 0.113 3.291 0.574
H14 -0.872 -2.336 -0.692
H15 -0.113 -3.291 0.574
H16 -1.256 3.379 -1.524
H17 -1.402 1.617 -1.518
H18 -2.167 2.572 -0.243
H19 1.256 -3.379 -1.524
H20 1.402 -1.617 -1.518
H21 2.167 -2.572 -0.243

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
O11.40641.40642.39842.39842.98092.98092.05692.05442.05692.05442.62353.32332.62353.32333.96392.69773.38303.96392.69773.3830
C21.40642.35571.53133.69022.56154.27371.09671.09592.61162.62342.14432.13943.95414.48163.50562.82822.82345.30653.94494.4727
C31.40642.35573.69021.53134.27372.56152.61162.62341.09671.09593.95414.48162.14432.13945.30653.94494.47273.50562.82822.8234
C42.39841.53133.69024.78561.53975.12322.17032.16714.02384.02081.09131.09314.85235.71762.18092.18082.18396.09064.49785.4207
C52.39843.69021.53134.78565.12321.53974.02384.02082.17032.16714.85235.71761.09131.09316.09064.49785.42072.18092.18082.1839
C62.98092.56154.27371.53975.12325.61082.79163.50334.91974.42692.16992.16974.85146.07981.09231.08971.09366.43104.95176.1631
C72.98094.27372.56155.12321.53975.61084.91974.42692.79163.50334.85146.07982.16992.16976.43104.95176.16311.09231.08971.0936
H82.05691.09672.61162.17034.02382.79164.91971.76802.95792.39843.05862.50814.18854.65713.79173.14642.60925.91074.74445.1620
H92.05441.09592.62342.16714.02083.50334.42691.76802.39843.00072.49472.43134.53534.70054.32783.84253.80075.51274.17764.3532
H102.05692.61161.09674.02382.17034.91972.79162.95792.39841.76804.18854.65713.05862.50815.91074.74445.16203.79173.14642.6092
H112.05442.62341.09594.02082.16714.42693.50332.39843.00071.76804.53534.70052.49472.43135.51274.17764.35324.32783.84253.8007
H122.62352.14433.95411.09134.85232.16994.85143.05862.49474.18854.53531.75864.98625.85062.51212.52403.08115.78734.07235.0952
H133.32332.13944.48161.09315.71762.16976.07982.50812.43134.65714.70051.75865.85066.58542.50693.07802.52647.08465.48846.2655
H142.62353.95412.14434.85231.09134.85142.16994.18854.53533.05862.49474.98625.85061.75865.78734.07235.09522.51212.52403.0811
H153.32334.48162.13945.71761.09316.07982.16974.65714.70052.50812.43135.85066.58541.75867.08465.48846.26552.50693.07802.5264
H163.96393.50565.30652.18096.09061.09236.43103.79174.32785.91075.51272.51212.50695.78737.08461.76801.76657.20965.65906.9835
H172.69772.82823.94492.18084.49781.08974.95173.14643.84254.74444.17762.52403.07804.07235.48841.76801.76685.65904.28035.6487
H183.38302.82344.47272.18395.42071.09366.16312.60923.80075.16204.35323.08112.52645.09526.26551.76651.76686.98355.64876.7260
H193.96395.30653.50566.09062.18096.43101.09235.91075.51273.79174.32785.78737.08462.51212.50697.20965.65906.98351.76801.7665
H202.69773.94492.82824.49782.18084.95171.08974.74444.17763.14643.84254.07235.48842.52403.07805.65904.28035.64871.76801.7668
H213.38304.47272.82345.42072.18396.16311.09365.16204.35322.60923.80075.09526.26553.08112.52646.98355.64876.72601.76651.7668

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 109.381 O1 C2 H8 109.907
O1 C2 H9 109.750 O1 C3 C5 109.381
O1 C3 H10 109.907 O1 C3 H11 109.750
C2 O1 C3 113.751 C2 C4 C6 113.044
C2 C4 H12 108.530 C2 C4 H13 108.052
C3 C5 C7 113.044 C3 C5 H14 108.530
C3 C5 H15 108.052 C4 C2 H8 110.251
C4 C2 H9 110.045 C4 C6 H16 110.765
C4 C6 H17 110.912 C4 C6 H18 110.925
C5 C3 H10 110.251 C5 C3 H11 110.045
C5 C7 H19 110.765 C5 C7 H20 110.912
C5 C7 H21 110.925 C6 C4 H12 109.957
C6 C4 H13 109.836 C7 C5 H14 109.957
C7 C5 H15 109.836 H8 C2 H9 107.485
H10 C3 H11 107.485 H12 C4 H13 107.235
H14 C5 H15 107.235 H16 C6 H17 108.246
H16 C6 H18 107.829 H17 C6 H18 108.044
H19 C7 H20 108.246 H19 C7 H21 107.829
H20 C7 H21 108.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.383      
2 C -0.156      
3 C -0.156      
4 C 0.047      
5 C 0.047      
6 C -0.392      
7 C -0.392      
8 H 0.071      
9 H 0.106      
10 H 0.071      
11 H 0.106      
12 H 0.086      
13 H 0.078      
14 H 0.086      
15 H 0.078      
16 H 0.130      
17 H 0.130      
18 H 0.091      
19 H 0.130      
20 H 0.130      
21 H 0.091      


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 1.302 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.693 0.426 0.000
y 0.426 -43.840 0.000
z 0.000 0.000 -45.411
Traceless
 xyz
x -2.068 0.426 0.000
y 0.426 2.212 0.000
z 0.000 0.000 -0.145
Polar
3z2-r2-0.289
x2-y2-2.853
xy0.426
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.904 -0.442 0.000
y -0.442 10.554 0.000
z 0.000 0.000 8.968


<r2> (average value of r2) Å2
<r2> 282.144
(<r2>)1/2 16.797