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All results from a given calculation for C7H16 (3-methylhexane)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
1 2 no    

Conformer 1 (C1)

Jump to S1C2
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-275.580624
Energy at 298.15K-275.597973
HF Energy-274.424879
Nuclear repulsion energy323.247058
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 MP3=FULL/6-31+G**
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 3221 3001 29.61      
2 A 3212 2993 62.56      
3 A 3206 2986 35.13      
4 A 3202 2983 46.26      
5 A 3201 2982 23.14      
6 A 3200 2981 61.16      
7 A 3169 2952 32.00      
8 A 3150 2935 30.28      
9 A 3133 2919 9.66      
10 A 3123 2910 25.46      
11 A 3119 2906 33.99      
12 A 3118 2904 24.62      
13 A 3116 2903 49.11      
14 A 3104 2892 43.35      
15 A 3089 2878 16.44      
16 A 3079 2868 9.43      
17 A 1568 1461 6.67      
18 A 1562 1455 7.76      
19 A 1559 1452 5.46      
20 A 1553 1446 5.11      
21 A 1551 1445 3.29      
22 A 1550 1444 8.23      
23 A 1548 1442 0.57      
24 A 1544 1438 0.07      
25 A 1533 1428 0.38      
26 A 1471 1370 4.46      
27 A 1470 1370 5.53      
28 A 1469 1368 3.34      
29 A 1457 1358 0.65      
30 A 1434 1336 0.26      
31 A 1423 1326 0.93      
32 A 1381 1287 0.17      
33 A 1364 1271 1.53      
34 A 1339 1247 0.99      
35 A 1327 1236 0.29      
36 A 1298 1210 1.74      
37 A 1242 1157 0.07      
38 A 1218 1134 3.63      
39 A 1212 1129 0.11      
40 A 1132 1055 0.91      
41 A 1103 1027 0.46      
42 A 1086 1012 0.06      
43 A 1070 997 0.32      
44 A 1031 960 2.94      
45 A 999 931 1.70      
46 A 973 906 1.13      
47 A 917 854 0.73      
48 A 894 833 0.33      
49 A 848 790 0.06      
50 A 795 741 1.71      
51 A 759 707 0.85      
52 A 517 481 0.07      
53 A 443 413 0.06      
54 A 387 360 0.10      
55 A 331 308 0.02      
56 A 310 289 0.00      
57 A 266 248 0.00      
58 A 247 230 0.01      
59 A 213 199 0.01      
60 A 155 144 0.01      
61 A 103 96 0.01      
62 A 78 73 0.00      
63 A 53 50 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 49110.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 45751.7 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 MP3=FULL/6-31+G**
ABC
0.19508 0.03659 0.03294

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 0.156 -0.175
H2 -0.579 0.089 -1.270
C3 -0.788 1.624 0.209
C4 -1.714 -0.734 0.347
C5 0.794 -0.357 0.314
C6 -3.073 -0.509 -0.318
C7 2.012 0.174 -0.446
C8 3.333 -0.410 0.050
H9 -0.804 1.731 1.295
H10 0.003 2.264 -0.176
H11 -1.728 2.012 -0.177
H12 -1.808 -0.580 1.426
H13 -1.427 -1.779 0.209
H14 0.805 -1.449 0.248
H15 0.903 -0.111 1.376
H16 -3.812 -1.228 0.035
H17 -3.470 0.484 -0.116
H18 -2.997 -0.620 -1.400
H19 2.054 1.262 -0.367
H20 1.889 -0.054 -1.508
H21 4.186 -0.008 -0.497
H22 3.485 -0.189 1.106
H23 3.348 -1.493 -0.066

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23
C11.09701.53241.53911.53982.59152.59893.95292.16662.18522.18622.15252.15042.15732.15693.52872.91612.82542.85572.80754.77234.26874.2548
H21.09702.14212.14002.14322.73552.72024.15883.05392.50372.49273.03772.52922.56633.03873.72663.13742.52343.02012.48384.82854.71574.4017
C31.53242.14212.53722.53783.17013.22064.59841.09131.08791.08802.71683.46273.46162.68864.15992.93203.53662.92193.59615.28244.72745.1865
C41.53912.14002.53722.53711.52923.91675.06672.79333.49452.79561.09451.09272.62082.88032.17702.18582.17024.32324.10986.00465.28245.1355
C51.53982.14322.53782.53713.92161.53072.55302.80682.78193.49542.83892.63961.09381.09534.69594.36734.16922.16112.14733.50472.80962.8205
C62.59152.73553.17011.52923.92165.13246.41753.57314.14402.86092.15622.14494.03034.33991.08951.08821.09025.42405.12327.27866.71826.5008
C72.59892.72023.22063.91671.53075.13241.52723.65892.91194.17614.32074.00922.13892.15206.00955.50045.16081.09121.09312.18232.17062.1703
C83.95294.15884.59845.06672.55306.41751.52724.82194.27715.61555.32494.95592.74072.78457.19166.86326.49772.14592.15391.08971.09001.0899
H92.16663.05391.09132.79332.80683.57313.65894.82191.76071.76092.52303.72643.71432.51234.40263.26344.19533.33924.27775.58014.70285.4302
H102.18522.50371.08793.49452.78194.14402.91194.27711.76071.74923.73344.30623.82272.97635.17583.90274.33822.29073.27234.77154.44835.0322
H112.18622.49271.08802.79563.49542.86094.17615.61551.76091.74923.04943.82284.31013.72013.85772.31773.16793.86014.37326.25795.80236.1698
H122.15253.03772.71681.09452.83892.15624.32075.32492.52303.73343.04941.75022.99482.75152.52372.50453.06674.63904.74966.32095.31655.4444
H132.15042.52923.46271.09272.63962.14494.00924.95593.72644.30623.82281.75022.25673.09382.45393.06582.52954.65774.11415.92825.23994.7914
H142.15732.56633.46162.62081.09384.03032.13892.74073.71433.82274.31012.99482.25671.75234.62704.70544.22623.04732.49183.75023.08282.5626
H152.15693.03872.68862.88031.09534.33992.15202.78452.51232.97633.72012.75153.09381.75235.02694.65794.81392.49903.04843.78102.59703.1570
H163.52873.72664.15992.17704.69591.08956.00957.19164.40265.17583.85772.52372.45394.62705.02691.75181.75876.38446.02188.10787.44737.1653
H172.91613.13742.93202.18584.36731.08825.50046.86323.26343.90272.31772.50453.06584.70544.65791.75181.75835.58335.56287.68107.09287.0986
H182.82542.52343.53662.17024.16921.09025.16086.49774.19534.33823.16793.06672.52954.22624.81391.75871.75835.48814.92037.26586.96296.5424
H192.85573.02012.92194.32322.16115.42401.09122.14593.33922.29073.86014.63904.65773.04732.49906.38445.58335.48811.74932.48542.51493.0590
H202.80752.48383.59614.10982.14735.12321.09312.15394.27773.27234.37324.74964.11412.49183.04846.02185.56284.92031.74932.51033.06612.5064
H214.77234.82855.28246.00463.50477.27862.18231.08975.58014.77156.25796.32095.92823.75023.78108.10787.68107.26582.48542.51031.75921.7593
H224.26874.71574.72745.28242.80966.71822.17061.09004.70284.44835.80235.31655.23993.08282.59707.44737.09286.96292.51493.06611.75921.7587
H234.25484.40175.18655.13552.82056.50082.17031.08995.43025.03226.16985.44444.79142.56263.15707.16537.09866.54243.05902.50641.75931.7587

picture of 3-methylhexane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H9 110.195 C1 C3 H10 111.887
C1 C3 H11 111.967 C1 C4 C6 115.257
C1 C4 H12 108.459 C1 C4 H13 108.396
C1 C5 C7 115.641 C1 C5 H14 108.817
C1 C5 H15 108.697 H2 C1 C3 107.961
H2 C1 C4 107.360 H2 C1 C5 107.554
C3 C1 C4 111.387 C3 C1 C5 111.386
C4 C1 C5 110.983 C4 C6 H16 111.365
C4 C6 H17 112.153 C4 C6 H18 110.778
C5 C7 C8 113.207 C5 C7 H19 109.883
C5 C7 H20 108.704 C6 C4 H12 109.418
C6 C4 H13 108.639 C7 C5 H14 108.008
C7 C5 H15 108.939 C7 C8 H21 111.916
C7 C8 H22 110.965 C7 C8 H23 110.943
C8 C7 H19 108.940 C8 C7 H20 109.461
H9 C3 H10 107.787 H9 C3 H11 107.798
H10 C3 H11 107.005 H12 C4 H13 106.300
H14 C5 H15 106.348 H16 C6 H17 107.109
H16 C6 H18 107.579 H17 C6 H18 107.636
H19 C7 H20 106.420 H21 C8 H22 107.626
H21 C8 H23 107.636 H22 C8 H23 107.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 ()

Jump to S1C1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-275.579972
Energy at 298.15K 
HF Energy-274.423342
Nuclear repulsion energy328.406562
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 MP3=FULL/6-31+G**
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 3219 2999 29.99      
2 A 3210 2991 51.72      
3 A 3208 2989 55.81      
4 A 3201 2982 31.21      
5 A 3201 2982 53.48      
6 A 3198 2979 30.46      
7 A 3166 2949 37.74      
8 A 3151 2935 43.77      
9 A 3139 2925 25.31      
10 A 3125 2911 11.70      
11 A 3123 2909 38.27      
12 A 3121 2907 41.47      
13 A 3117 2904 13.21      
14 A 3105 2893 55.30      
15 A 3096 2885 1.61      
16 A 3092 2881 17.37      
17 A 1571 1463 6.96      
18 A 1561 1454 11.11      
19 A 1558 1451 1.76      
20 A 1556 1449 6.34      
21 A 1551 1445 2.81      
22 A 1549 1443 4.97      
23 A 1546 1440 3.13      
24 A 1540 1435 1.75      
25 A 1532 1427 0.09      
26 A 1472 1371 9.15      
27 A 1470 1369 2.85      
28 A 1469 1368 6.42      
29 A 1451 1352 0.19      
30 A 1433 1335 1.47      
31 A 1424 1326 0.91      
32 A 1414 1317 1.56      
33 A 1362 1268 1.79      
34 A 1342 1250 2.27      
35 A 1320 1230 0.10      
36 A 1298 1210 0.18      
37 A 1231 1147 0.05      
38 A 1221 1138 2.08      
39 A 1209 1126 3.31      
40 A 1127 1050 0.36      
41 A 1107 1032 0.22      
42 A 1088 1014 0.17      
43 A 1055 983 0.19      
44 A 1027 957 2.03      
45 A 1000 932 2.82      
46 A 960 894 1.20      
47 A 905 843 0.58      
48 A 883 823 0.47      
49 A 858 799 0.64      
50 A 795 741 1.02      
51 A 759 707 2.41      
52 A 502 468 0.03      
53 A 452 421 0.09      
54 A 422 393 0.08      
55 A 353 329 0.06      
56 A 315 294 0.02      
57 A 272 254 0.00      
58 A 247 230 0.02      
59 A 221 206 0.01      
60 A 192 179 0.01      
61 A 120 112 0.02      
62 A 74 69 0.00      
63 A 67 63 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 49177.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 45813.9 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 MP3=FULL/6-31+G**
ABC
0.15660 0.04136 0.03977

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.387 0.042 0.041
H2 0.201 -0.078 1.113
C3 0.463 1.539 -0.263
C4 1.709 -0.668 -0.275
C5 -0.756 -0.631 -0.729
C6 2.895 -0.205 0.568
C7 -2.155 -0.067 -0.476
C8 -2.589 -0.135 0.987
H9 0.633 1.700 -1.329
H10 -0.459 2.049 0.010
H11 1.274 2.015 0.284
H12 1.938 -0.528 -1.336
H13 1.567 -1.740 -0.128
H14 -0.759 -1.695 -0.476
H15 -0.538 -0.565 -1.799
H16 3.777 -0.806 0.352
H17 3.150 0.835 0.375
H18 2.675 -0.304 1.632
H19 -2.211 0.966 -0.823
H20 -2.863 -0.632 -1.086
H21 -3.620 0.197 1.101
H22 -2.522 -1.156 1.364
H23 -1.966 0.494 1.622

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23
C11.09471.52881.53321.53352.57482.59673.12762.16532.17802.17672.15102.14452.14512.14723.50832.89442.80802.88953.50514.14733.41262.8706
H21.09472.13932.13292.14782.75172.84182.79303.05222.48532.49443.03602.48382.46253.04373.72793.17482.53803.26413.81143.83022.93892.2984
C31.52882.13932.53372.53163.10593.07883.69841.09181.08881.08842.75633.46263.46382.79054.10602.85053.44672.79134.05564.50864.33783.2471
C41.53322.13292.53372.50571.52783.91554.51062.80633.48732.77451.09381.09222.68082.71612.16592.18212.16874.28154.64285.57064.56294.2958
C51.53352.14782.53162.50573.89761.53042.55982.77952.79583.48542.76312.64311.09371.09434.66284.31584.17692.16282.13743.49832.78802.8737
C62.57482.75173.10591.52783.89765.15915.50023.51404.07962.76332.15542.14624.08264.18551.08901.08841.09025.42026.00606.54865.55685.0230
C72.59672.84183.07883.91551.53045.15911.52733.41022.75514.08364.20834.09602.14492.14896.03525.44895.27541.09101.09162.16802.16862.1795
C83.12762.79303.69844.51062.55985.50021.52734.37243.20324.47695.10344.59242.81513.48686.43235.85285.30572.15212.14921.08891.09031.0892
H92.16533.05221.09182.80632.77953.51403.41024.37241.76321.76402.58243.76253.76812.59344.35823.16084.11772.98104.20985.12395.03654.1135
H102.17802.48531.08883.48732.79584.07962.75513.20321.76321.75553.76814.29933.78773.18025.12003.82584.24162.22173.76353.82204.04472.6991
H112.17672.49441.08842.77453.48542.76334.08364.47691.76401.75553.08703.78934.29893.77883.77182.21813.02633.80455.09885.28435.06303.8216
H122.15103.03602.75631.09382.76312.15544.20835.10342.58243.76813.08701.75153.06232.51912.51152.50103.06564.43964.80876.11175.25095.0036
H132.14452.48383.46261.09222.64312.14624.09604.59243.76254.29933.78931.75152.35262.93332.44683.06512.52694.69904.66595.67134.39114.5319
H142.14512.46253.46382.68081.09374.08262.14492.81513.76813.78774.29893.06232.35261.75374.69614.73454.26303.05112.43473.77532.60433.2642
H152.14723.04372.79052.71611.09434.18552.14893.48682.59343.18023.77882.51912.93331.75374.82714.50464.70732.46942.43334.30033.78003.8558
H163.50833.72794.10602.16594.66281.08906.03526.43234.35825.12003.77182.51152.44684.69614.82711.75711.76156.35426.79597.50166.38886.0238
H172.89443.17482.85052.18214.31581.08845.44895.85283.16083.82582.21812.50103.06514.73454.50461.75711.76175.49536.35986.83876.09245.2774
H182.80802.53803.44672.16874.17691.09025.27545.30574.11774.24163.02633.06562.52694.26304.70731.76151.76175.61356.17736.33665.27294.7094
H192.88953.26412.79134.28152.16285.42021.09102.15212.98102.22173.80454.43964.69903.05112.46946.35425.49535.61351.74532.50543.06262.5017
H203.50513.81144.05564.64282.13746.00601.09162.14924.20983.76355.09884.80874.66592.43472.43336.79596.35986.17731.74532.45812.52773.0663
H214.14733.83024.50865.57063.49836.54862.16801.08895.12393.82205.28436.11175.67133.77534.30037.50166.83876.33662.50542.45811.76231.7586
H223.41262.93894.33784.56292.78805.55682.16861.09035.03654.04475.06305.25094.39112.60433.78006.38886.09245.27293.06262.52771.76231.7608
H232.87062.29843.24714.29582.87375.02302.17951.08924.11352.69913.82165.00364.53193.26423.85586.02385.27744.70942.50173.06631.75861.7608

picture of 3-methylhexane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H9 110.318 C1 C3 H10 111.518
C1 C3 H11 111.438 C1 C4 C6 114.523
C1 C4 H12 108.780 C1 C4 H13 108.367
C1 C5 C7 115.884 C1 C5 H14 108.302
C1 C5 H15 108.440 H2 C1 C3 108.120
H2 C1 C4 107.330 H2 C1 C5 108.460
C3 C1 C4 111.674 C3 C1 C5 111.524
C4 C1 C5 109.581 C4 C6 H16 110.606
C4 C6 H17 111.941 C4 C6 H18 110.752
C5 C7 C8 113.680 C5 C7 H19 110.054
C5 C7 H20 108.043 C6 C4 H12 109.495
C6 C4 H13 108.870 C7 C5 H14 108.501
C7 C5 H15 108.776 C7 C8 H21 110.809
C7 C8 H22 110.772 C7 C8 H23 111.714
C8 C7 H19 109.423 C8 C7 H20 109.166
H9 C3 H10 107.918 H9 C3 H11 108.020
H10 C3 H11 107.474 H12 C4 H13 106.500
H14 C5 H15 106.550 H16 C6 H17 107.603
H16 C6 H18 107.857 H17 C6 H18 107.920
H19 C7 H20 106.190 H21 C8 H22 107.931
H21 C8 H23 107.679 H22 C8 H23 107.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability