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All results from a given calculation for C7H16 (heptane)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-274.449913
Energy at 298.15K-274.467606
Nuclear repulsion energy308.026177
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/6-311G*
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 3228 2919 106.37      
2 A1 3172 2869 1.18      
3 A1 3168 2865 239.46      
4 A1 3158 2856 4.89      
5 A1 3152 2851 0.03      
6 A1 1646 1488 9.25      
7 A1 1635 1478 0.51      
8 A1 1622 1467 0.24      
9 A1 1619 1464 0.01      
10 A1 1554 1405 2.54      
11 A1 1539 1392 0.17      
12 A1 1439 1302 0.01      
13 A1 1251 1132 0.62      
14 A1 1134 1026 0.49      
15 A1 1065 963 0.01      
16 A1 983 889 0.67      
17 A1 449 406 0.00      
18 A1 320 289 0.00      
19 A1 108 97 0.00      
20 A2 3228 2920 0.00      
21 A2 3193 2887 0.00      
22 A2 3167 2864 0.00      
23 A2 1633 1476 0.00      
24 A2 1455 1316 0.00      
25 A2 1444 1306 0.00      
26 A2 1353 1224 0.00      
27 A2 1110 1004 0.00      
28 A2 913 826 0.00      
29 A2 786 711 0.00      
30 A2 266 240 0.00      
31 A2 153 139 0.00      
32 A2 79 72 0.00      
33 B1 3230 2921 325.95      
34 B1 3208 2901 69.72      
35 B1 3178 2874 0.42      
36 B1 3163 2861 0.04      
37 B1 1633 1477 13.32      
38 B1 1461 1322 0.89      
39 B1 1409 1274 0.33      
40 B1 1313 1188 0.00      
41 B1 1015 918 0.30      
42 B1 829 750 0.62      
43 B1 778 703 3.24      
44 B1 269 243 0.00      
45 B1 153 139 0.00      
46 B1 70 64 0.00      
47 B2 3228 2919 55.20      
48 B2 3171 2867 55.98      
49 B2 3163 2860 12.07      
50 B2 3150 2849 1.25      
51 B2 1641 1484 0.81      
52 B2 1627 1471 0.81      
53 B2 1618 1463 0.28      
54 B2 1560 1411 0.41      
55 B2 1551 1403 1.40      
56 B2 1498 1355 1.67      
57 B2 1371 1240 3.04      
58 B2 1176 1064 1.67      
59 B2 1135 1027 0.01      
60 B2 1103 998 0.25      
61 B2 942 852 1.43      
62 B2 515 466 0.09      
63 B2 264 239 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 50721.0 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 45872.1 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/6-311G*
ABC
0.40702 0.02420 0.02353

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.494
C2 0.000 1.277 -0.345
C3 0.000 -1.277 -0.345
C4 0.000 2.555 0.493
C5 0.000 -2.555 0.493
C6 0.000 3.827 -0.351
C7 0.000 -3.827 -0.351
H8 -0.870 0.000 1.150
H9 0.870 0.000 1.150
H10 -0.870 1.279 -1.000
H11 0.870 1.279 -1.000
H12 0.870 -1.279 -1.000
H13 -0.870 -1.279 -1.000
H14 0.869 2.558 1.148
H15 -0.869 2.558 1.148
H16 -0.869 -2.558 1.148
H17 0.869 -2.558 1.148
H18 0.000 4.716 0.272
H19 0.876 3.876 -0.992
H20 -0.876 3.876 -0.992
H21 0.000 -4.716 0.272
H22 -0.876 -3.876 -0.992
H23 0.876 -3.876 -0.992

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23
C11.52821.52822.55542.55543.91953.91951.08901.08902.15042.15042.15042.15042.77942.77942.77942.77944.72174.24224.24224.72174.24224.2422
C21.52822.55461.52833.92332.54995.10452.14962.14961.08901.08902.77822.77822.15002.15004.20614.20613.49392.81742.81746.02535.26685.2668
C31.52822.55463.92331.52835.10452.54992.14962.14962.77822.77821.08901.08904.20614.20612.15002.15006.02535.26685.26683.49392.81742.8174
C42.55541.52833.92335.11081.52676.43832.77802.77802.14882.14884.20554.20551.08811.08815.22775.22772.17232.17162.17167.27526.65826.6582
C52.55543.92331.52835.11086.43831.52672.77802.77804.20554.20552.14882.14885.22775.22771.08811.08817.27526.65826.65822.17232.17162.1716
C63.91952.54995.10451.52676.43837.65444.20204.20202.77002.77005.21985.21982.14802.14806.61596.61591.08571.08631.08638.56637.77897.7789
C73.91955.10452.54996.43831.52677.65444.20204.20205.21985.21982.77002.77006.61596.61592.14802.14808.56637.77897.77891.08571.08631.0863
H81.08902.14962.14962.77802.77804.20204.20201.73952.50123.04663.04662.50123.09312.55782.55783.09314.87564.75964.42784.87564.42784.7596
H91.08902.14962.14962.77802.77804.20204.20201.73953.04662.50122.50123.04662.55783.09313.09312.55784.87564.42784.75964.87564.75964.4278
H102.15041.08902.77822.14884.20552.77005.21982.50123.04661.73943.09262.55713.04532.49994.39674.72813.76733.12942.59716.18985.15425.4419
H112.15041.08902.77822.14884.20552.77005.21983.04662.50121.73942.55713.09262.49993.04534.72814.39673.76732.59713.12946.18985.44195.1542
H122.15042.77821.08904.20552.14885.21982.77003.04662.50123.09262.55711.73944.39674.72813.04532.49996.18985.15425.44193.76733.12942.5971
H132.15042.77821.08904.20552.14885.21982.77002.50123.04662.55713.09261.73944.72814.39672.49993.04536.18985.44195.15423.76732.59713.1294
H142.77942.15004.20611.08815.22772.14806.61593.09312.55783.04532.49994.39674.72811.73885.40305.11562.48662.51273.05957.37827.00096.7798
H152.77942.15004.20611.08815.22772.14806.61592.55783.09312.49993.04534.72814.39671.73885.11565.40302.48663.05952.51277.37826.77987.0009
H162.77944.20612.15005.22771.08816.61592.14802.55783.09314.39674.72813.04532.49995.40305.11561.73887.37827.00096.77982.48662.51273.0595
H172.77944.20612.15005.22771.08816.61592.14803.09312.55784.72814.39672.49993.04535.11565.40301.73887.37826.77987.00092.48663.05952.5127
H184.72173.49396.02532.17237.27521.08578.56634.87564.87563.76733.76736.18986.18982.48662.48667.37827.37821.75221.75229.43288.72858.7285
H194.24222.81745.26682.17166.65821.08637.77894.75964.42783.12942.59715.15425.44192.51273.05957.00096.77981.75221.75228.72857.94697.7513
H204.24222.81745.26682.17166.65821.08637.77894.42784.75962.59713.12945.44195.15423.05952.51276.77987.00091.75221.75228.72857.75137.9469
H214.72176.02533.49397.27522.17238.56631.08574.87564.87566.18986.18983.76733.76737.37827.37822.48662.48669.43288.72858.72851.75221.7522
H224.24225.26682.81746.65822.17167.77891.08634.42784.75965.15425.44193.12942.59717.00096.77982.51273.05958.72857.94697.75131.75221.7522
H234.24225.26682.81746.65822.17167.77891.08634.75964.42785.44195.15422.59713.12946.77987.00093.05952.51278.72857.75137.94691.75221.7522

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.450 C1 C2 H10 109.352
C1 C2 H11 109.352 C1 C3 C5 113.450
C1 C3 H12 109.352 C1 C3 H13 109.352
C2 C1 C3 113.404 C2 C1 H8 109.290
C2 C1 H9 109.290 C2 C4 C6 113.160
C2 C4 H14 109.364 C2 C4 H15 109.364
C3 C1 H8 109.290 C3 C1 H9 109.290
C3 C5 C7 113.160 C3 C5 H16 109.364
C3 C5 H17 109.364 C4 C2 H10 109.212
C4 C2 H11 109.212 C4 C6 H18 111.404
C4 C6 H19 111.303 C4 C6 H20 111.303
C5 C3 H12 109.212 C5 C3 H13 109.212
C5 C7 H21 111.404 C5 C7 H22 111.303
C5 C7 H23 111.303 C6 C4 H14 109.322
C6 C4 H15 109.322 C7 C5 H16 109.322
C7 C5 H17 109.322 H8 C1 H9 106.012
H10 C2 H11 105.994 H12 C3 H13 105.994
H14 C4 H15 106.064 H16 C5 H17 106.064
H18 C6 H19 107.559 H18 C6 H20 107.559
H19 C6 H20 107.512 H21 C7 H22 107.559
H21 C7 H23 107.559 H22 C7 H23 107.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 C -0.398      
3 C -0.398      
4 C -0.400      
5 C -0.400      
6 C -0.612      
7 C -0.612      
8 H 0.201      
9 H 0.201      
10 H 0.199      
11 H 0.199      
12 H 0.199      
13 H 0.199      
14 H 0.199      
15 H 0.199      
16 H 0.199      
17 H 0.199      
18 H 0.208      
19 H 0.203      
20 H 0.203      
21 H 0.208      
22 H 0.203      
23 H 0.203      


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 0.086 0.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.026 0.000 0.000
y 0.000 -50.769 0.000
z 0.000 0.000 -49.804
Traceless
 xyz
x 2.261 0.000 0.000
y 0.000 -1.855 0.000
z 0.000 0.000 -0.406
Polar
3z2-r2-0.812
x2-y22.743
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.119 0.000 0.000
y 0.000 13.573 0.000
z 0.000 0.000 10.563


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000