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All results from a given calculation for C7H16 (heptane)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-276.304307
Energy at 298.15K-276.321336
Nuclear repulsion energy305.023004
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 BLYP/cc-pVTZ
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 3008 2999 57.10      
2 A1 2951 2942 49.88      
3 A1 2941 2932 137.55      
4 A1 2928 2919 4.03      
5 A1 2921 2912 0.51      
6 A1 1484 1480 7.28      
7 A1 1470 1466 0.82      
8 A1 1457 1452 0.06      
9 A1 1452 1447 0.00      
10 A1 1379 1375 1.61      
11 A1 1354 1350 0.96      
12 A1 1292 1288 0.09      
13 A1 1120 1116 0.70      
14 A1 1021 1018 0.50      
15 A1 954 951 0.01      
16 A1 888 886 0.90      
17 A1 405 404 0.03      
18 A1 291 290 0.00      
19 A1 95 95 0.00      
20 A2 3003 2994 0.00      
21 A2 2963 2954 0.00      
22 A2 2937 2929 0.00      
23 A2 1466 1462 0.00      
24 A2 1304 1300 0.00      
25 A2 1296 1293 0.00      
26 A2 1214 1210 0.00      
27 A2 1010 1007 0.00      
28 A2 832 830 0.00      
29 A2 725 723 0.00      
30 A2 232 231 0.00      
31 A2 140 140 0.00      
32 A2 83 83 0.00      
33 B1 3004 2995 144.59      
34 B1 2975 2966 105.55      
35 B1 2950 2941 0.30      
36 B1 2932 2923 0.07      
37 B1 1466 1462 11.74      
38 B1 1309 1305 0.72      
39 B1 1264 1260 0.19      
40 B1 1177 1173 0.02      
41 B1 922 919 0.50      
42 B1 760 758 1.03      
43 B1 718 716 4.89      
44 B1 234 233 0.00      
45 B1 146 146 0.00      
46 B1 65 65 0.00      
47 B2 3008 2999 37.03      
48 B2 2951 2942 52.90      
49 B2 2936 2927 0.12      
50 B2 2921 2912 0.00      
51 B2 1478 1474 0.66      
52 B2 1463 1458 1.19      
53 B2 1452 1447 0.24      
54 B2 1379 1375 0.43      
55 B2 1350 1346 0.42      
56 B2 1335 1331 2.66      
57 B2 1237 1233 3.50      
58 B2 1057 1054 3.16      
59 B2 1021 1018 0.00      
60 B2 993 990 0.40      
61 B2 849 847 1.63      
62 B2 467 466 0.12      
63 B2 237 237 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 46334.5 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 46195.5 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 BLYP/cc-pVTZ
ABC
0.40040 0.02371 0.02306

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.497
C2 0.000 1.291 -0.345
C3 0.000 -1.291 -0.345
C4 0.000 2.583 0.496
C5 0.000 -2.583 0.496
C6 0.000 3.866 -0.354
C7 0.000 -3.866 -0.354
H8 -0.880 0.000 1.160
H9 0.880 0.000 1.160
H10 -0.880 1.292 -1.008
H11 0.880 1.292 -1.008
H12 0.880 -1.292 -1.008
H13 -0.880 -1.292 -1.008
H14 0.879 2.583 1.158
H15 -0.879 2.583 1.158
H16 -0.879 -2.583 1.158
H17 0.879 -2.583 1.158
H18 0.000 4.765 0.276
H19 0.886 3.914 -1.002
H20 -0.886 3.914 -1.002
H21 0.000 -4.765 0.276
H22 -0.886 -3.914 -1.002
H23 0.886 -3.914 -1.002

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
C11.54121.54122.58272.58273.95893.95891.10151.10152.16982.16982.16982.16982.80732.80732.80732.80734.77004.28364.28364.77004.28364.2836
C21.54122.58171.54143.96382.57555.15722.16912.16911.10161.10162.80782.80782.16822.16824.24714.24713.52902.84532.84536.08745.32025.3202
C31.54122.58173.96381.54145.15722.57552.16912.16912.80782.80781.10161.10164.24714.24712.16822.16826.08745.32025.32023.52902.84532.8453
C42.58271.54143.96385.16551.53956.50482.80812.80812.16842.16844.24834.24831.10061.10065.28155.28152.19322.19072.19077.35096.72556.7255
C52.58273.96381.54145.16556.50481.53952.80812.80814.24834.24832.16842.16845.28155.28151.10061.10067.35096.72556.72552.19322.19072.1907
C63.95892.57555.15721.53956.50487.73274.24444.24442.79812.79815.27335.27332.16962.16966.68226.68221.09741.09841.09848.65417.85717.8571
C73.95895.15722.57556.50481.53957.73274.24444.24445.27335.27332.79812.79816.68226.68222.16962.16968.65417.85717.85711.09741.09841.0984
H81.10152.16912.16912.80812.80814.24444.24441.75932.52383.07653.07652.52383.12482.58292.58293.12484.92544.80714.47124.92544.47124.8071
H91.10152.16912.16912.80812.80814.24444.24441.75933.07652.52382.52383.07652.58293.12483.12482.58294.92544.47124.80714.92544.80714.4712
H102.16981.10162.80782.16844.24832.79815.27332.52383.07651.75923.12572.58373.07442.52174.43914.77483.80583.16092.62196.25355.20565.4968
H112.16981.10162.80782.16844.24832.79815.27333.07652.52381.75922.58373.12572.52173.07444.77484.43913.80582.62193.16096.25355.49685.2056
H122.16982.80781.10164.24832.16845.27332.79813.07652.52383.12572.58371.75924.43914.77483.07442.52176.25355.20565.49683.80583.16092.6219
H132.16982.80781.10164.24832.16845.27332.79812.52383.07652.58373.12571.75924.77484.43912.52173.07446.25355.49685.20563.80582.62193.1609
H142.80732.16824.24711.10065.28152.16966.68223.12482.58293.07442.52174.43914.77481.75825.45675.16572.51242.53713.09057.45257.07016.8463
H152.80732.16824.24711.10065.28152.16966.68222.58293.12482.52173.07444.77484.43911.75825.16575.45672.51243.09052.53717.45256.84637.0701
H162.80734.24712.16825.28151.10066.68222.16962.58293.12484.43914.77483.07442.52175.45675.16571.75827.45257.07016.84632.51242.53713.0905
H172.80734.24712.16825.28151.10066.68222.16963.12482.58294.77484.43912.52173.07445.16575.45671.75827.45256.84637.07012.51243.09052.5371
H184.77003.52906.08742.19327.35091.09748.65414.92544.92543.80583.80586.25356.25352.51242.51247.45257.45251.77241.77249.52978.81678.8167
H194.28362.84535.32022.19076.72551.09847.85714.80714.47123.16092.62195.20565.49682.53713.09057.07016.84631.77241.77168.81678.02557.8275
H204.28362.84535.32022.19076.72551.09847.85714.47124.80712.62193.16095.49685.20563.09052.53716.84637.07011.77241.77168.81677.82758.0255
H214.77006.08743.52907.35092.19328.65411.09744.92544.92546.25356.25353.80583.80587.45257.45252.51242.51249.52978.81678.81671.77241.7724
H224.28365.32022.84536.72552.19077.85711.09844.47124.80715.20565.49683.16092.62197.07016.84632.53713.09058.81678.02557.82751.77241.7716
H234.28365.32022.84536.72552.19077.85711.09844.80714.47125.49685.20562.62193.16096.84637.07013.09052.53718.81677.82758.02551.77241.7716

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.828 C1 C2 H10 109.248
C1 C2 H11 109.248 C1 C3 C5 113.828
C1 C3 H12 109.248 C1 C3 H13 109.248
C2 C1 C3 113.769 C2 C1 H8 109.197
C2 C1 H9 109.197 C2 C4 C6 113.430
C2 C4 H14 109.165 C2 C4 H15 109.165
C3 C1 H8 109.197 C3 C1 H9 109.197
C3 C5 C7 113.430 C3 C5 H16 109.165
C3 C5 H17 109.165 C4 C2 H10 109.126
C4 C2 H11 109.126 C4 C6 H18 111.450
C4 C6 H19 111.197 C4 C6 H20 111.197
C5 C3 H12 109.126 C5 C3 H13 109.126
C5 C7 H21 111.450 C5 C7 H22 111.197
C5 C7 H23 111.197 C6 C4 H14 109.398
C6 C4 H15 109.398 C7 C5 H16 109.398
C7 C5 H17 109.398 H8 C1 H9 105.993
H10 C2 H11 105.968 H12 C3 H13 105.968
H14 C4 H15 106.018 H16 C5 H17 106.018
H18 C6 H19 107.650 H18 C6 H20 107.650
H19 C6 H20 107.506 H21 C7 H22 107.650
H21 C7 H23 107.650 H22 C7 H23 107.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 C -0.117      
3 C -0.117      
4 C -0.126      
5 C -0.126      
6 C -0.287      
7 C -0.287      
8 H 0.066      
9 H 0.066      
10 H 0.066      
11 H 0.066      
12 H 0.066      
13 H 0.066      
14 H 0.071      
15 H 0.071      
16 H 0.071      
17 H 0.071      
18 H 0.087      
19 H 0.082      
20 H 0.082      
21 H 0.087      
22 H 0.082      
23 H 0.082      


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 0.088 0.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.550 0.000 0.000
y 0.000 -50.916 0.000
z 0.000 0.000 -50.160
Traceless
 xyz
x 1.988 0.000 0.000
y 0.000 -1.561 0.000
z 0.000 0.000 -0.426
Polar
3z2-r2-0.853
x2-y22.366
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.527 0.000 0.000
y 0.000 16.968 0.000
z 0.000 0.000 12.285


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