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All results from a given calculation for C7H16 (heptane)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-276.220429
Energy at 298.15K-276.237605
Nuclear repulsion energy307.807978
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 B1B95/cc-pVDZ
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 3137 3015 39.62      
2 A1 3049 2930 19.35      
3 A1 3041 2923 140.47      
4 A1 3031 2913 24.48      
5 A1 3025 2908 0.33      
6 A1 1483 1425 7.60      
7 A1 1472 1415 0.67      
8 A1 1459 1402 0.11      
9 A1 1456 1399 0.03      
10 A1 1398 1344 1.41      
11 A1 1382 1328 0.35      
12 A1 1291 1240 0.01      
13 A1 1160 1115 0.80      
14 A1 1094 1051 0.85      
15 A1 1025 985 0.00      
16 A1 919 883 1.58      
17 A1 403 387 0.05      
18 A1 302 290 0.00      
19 A1 93 89 0.00      
20 A2 3128 3007 0.00      
21 A2 3085 2965 0.00      
22 A2 3060 2941 0.00      
23 A2 1464 1407 0.00      
24 A2 1311 1260 0.00      
25 A2 1309 1258 0.00      
26 A2 1223 1176 0.00      
27 A2 1013 974 0.00      
28 A2 835 803 0.00      
29 A2 737 709 0.00      
30 A2 247 238 0.00      
31 A2 143 138 0.00      
32 A2 84 81 0.00      
33 B1 3129 3007 99.24      
34 B1 3093 2973 115.01      
35 B1 3073 2953 0.01      
36 B1 3052 2933 0.08      
37 B1 1464 1407 13.41      
38 B1 1319 1267 0.84      
39 B1 1274 1225 0.05      
40 B1 1189 1143 0.12      
41 B1 926 890 0.98      
42 B1 766 736 1.53      
43 B1 736 707 5.67      
44 B1 248 239 0.00      
45 B1 152 146 0.00      
46 B1 65 62 0.00      
47 B2 3137 3015 29.05      
48 B2 3048 2930 47.12      
49 B2 3039 2922 0.49      
50 B2 3025 2908 0.00      
51 B2 1478 1421 0.73      
52 B2 1464 1407 0.73      
53 B2 1455 1398 0.36      
54 B2 1406 1351 0.86      
55 B2 1392 1338 1.07      
56 B2 1346 1294 2.93      
57 B2 1232 1184 5.83      
58 B2 1100 1057 0.44      
59 B2 1081 1039 1.31      
60 B2 1068 1026 0.00      
61 B2 894 859 2.40      
62 B2 473 454 0.05      
63 B2 232 223 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 47604.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 45757.0 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 B1B95/cc-pVDZ
ABC
0.40395 0.02432 0.02364

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.490
C2 0.000 1.275 -0.342
C3 0.000 -1.275 -0.342
C4 0.000 2.549 0.491
C5 0.000 -2.549 0.491
C6 0.000 3.817 -0.349
C7 0.000 -3.817 -0.349
H8 -0.880 0.000 1.157
H9 0.880 0.000 1.157
H10 -0.880 1.275 -1.009
H11 0.880 1.275 -1.009
H12 0.880 -1.275 -1.009
H13 -0.880 -1.275 -1.009
H14 0.879 2.546 1.157
H15 -0.879 2.546 1.157
H16 -0.879 -2.546 1.157
H17 0.879 -2.546 1.157
H18 0.000 4.720 0.277
H19 0.886 3.863 -1.000
H20 -0.886 3.863 -1.000
H21 0.000 -4.720 0.277
H22 -0.886 -3.863 -1.000
H23 0.886 -3.863 -1.000

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
C11.52201.52202.54932.54933.90783.90781.10381.10382.15562.15562.15562.15562.77482.77482.77482.77484.72454.23454.23454.72454.23454.2345
C21.52202.54911.52263.91352.54205.09112.15512.15511.10391.10392.77862.77862.15292.15294.19704.19703.50032.81432.81436.02615.25515.2551
C31.52202.54913.91351.52265.09112.54202.15512.15512.77862.77861.10391.10394.19704.19702.15292.15296.02615.25515.25513.50032.81432.8143
C42.54931.52263.91355.09861.52046.42102.77782.77782.15532.15534.20124.20121.10291.10295.21335.21332.18082.17582.17587.27216.64306.6430
C52.54933.91351.52265.09866.42101.52042.77782.77784.20124.20122.15532.15535.21335.21331.10291.10297.27216.64306.64302.18082.17582.1758
C63.90782.54205.09111.52046.42107.63314.19624.19622.76902.76905.20925.20922.15762.15766.59716.59711.09901.10051.10058.55927.75827.7582
C73.90785.09112.54206.42101.52047.63314.19624.19625.20925.20922.76902.76906.59716.59712.15762.15768.55927.75827.75821.09901.10051.1005
H81.10382.15512.15512.77782.77784.19624.19621.75962.51303.06783.06782.51303.09452.54592.54593.09454.88094.76394.42454.88094.42454.7639
H91.10382.15512.15512.77782.77784.19624.19621.75963.06782.51302.51303.06782.54593.09453.09452.54594.88094.42454.76394.88094.76394.4245
H102.15561.10392.77862.15534.20122.76905.20922.51303.06781.75973.09872.55063.06552.51064.39204.73123.78043.13322.58816.19415.13865.4336
H112.15561.10392.77862.15534.20122.76905.20923.06782.51301.75972.55063.09872.51063.06554.73124.39203.78042.58813.13326.19415.43365.1386
H122.15562.77861.10394.20122.15535.20922.76903.06782.51303.09872.55061.75974.39204.73123.06552.51066.19415.13865.43363.78043.13322.5881
H132.15562.77861.10394.20122.15535.20922.76902.51303.06782.55063.09871.75974.73124.39202.51063.06556.19415.43365.13863.78042.58813.1332
H142.77482.15294.19701.10295.21332.15766.59713.09452.54593.06552.51064.39204.73121.75865.38705.09192.50432.52713.08277.37136.98906.7623
H152.77482.15294.19701.10295.21332.15766.59712.54593.09452.51063.06554.73124.39201.75865.09195.38702.50433.08272.52717.37136.76236.9890
H162.77484.19702.15295.21331.10296.59712.15762.54593.09454.39204.73123.06552.51065.38705.09191.75867.37136.98906.76232.50432.52713.0827
H172.77484.19702.15295.21331.10296.59712.15763.09452.54594.73124.39202.51063.06555.09195.38701.75867.37136.76236.98902.50433.08272.5271
H184.72453.50036.02612.18087.27211.09908.55924.88094.88093.78043.78046.19416.19412.50432.50437.37137.37131.77471.77479.43938.72268.7226
H194.23452.81435.25512.17586.64301.10057.75824.76394.42453.13322.58815.13865.43362.52713.08276.98906.76231.77471.77268.72267.92737.7266
H204.23452.81435.25512.17586.64301.10057.75824.42454.76392.58813.13325.43365.13863.08272.52716.76236.98901.77471.77268.72267.72667.9273
H214.72456.02613.50037.27212.18088.55921.09904.88094.88096.19416.19413.78043.78047.37137.37132.50432.50439.43938.72268.72261.77471.7747
H224.23455.25512.81436.64302.17587.75821.10054.42454.76395.13865.43363.13322.58816.98906.76232.52713.08278.72267.92737.72661.77471.7726
H234.23455.25512.81436.64302.17587.75821.10054.76394.42455.43365.13862.58813.13326.76236.98903.08272.52718.72267.72667.92731.77471.7726

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.715 C1 C2 H10 109.309
C1 C2 H11 109.309 C1 C3 C5 113.715
C1 C3 H12 109.309 C1 C3 H13 109.309
C2 C1 C3 113.734 C2 C1 H8 109.275
C2 C1 H9 109.275 C2 C4 C6 113.310
C2 C4 H14 109.122 C2 C4 H15 109.122
C3 C1 H8 109.275 C3 C1 H9 109.275
C3 C5 C7 113.310 C3 C5 H16 109.122
C3 C5 H17 109.122 C4 C2 H10 109.254
C4 C2 H11 109.254 C4 C6 H18 111.719
C4 C6 H19 111.228 C4 C6 H20 111.228
C5 C3 H12 109.254 C5 C3 H13 109.254
C5 C7 H21 111.719 C5 C7 H22 111.228
C5 C7 H23 111.228 C6 C4 H14 109.637
C6 C4 H15 109.637 C7 C5 H16 109.637
C7 C5 H17 109.637 H8 C1 H9 105.694
H10 C2 H11 105.687 H12 C3 H13 105.687
H14 C4 H15 105.729 H16 C5 H17 105.729
H18 C6 H19 107.582 H18 C6 H20 107.582
H19 C6 H20 107.287 H21 C7 H22 107.582
H21 C7 H23 107.582 H22 C7 H23 107.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 C -0.045      
3 C -0.045      
4 C -0.075      
5 C -0.075      
6 C -0.030      
7 C -0.030      
8 H 0.016      
9 H 0.016      
10 H 0.016      
11 H 0.016      
12 H 0.016      
13 H 0.016      
14 H 0.020      
15 H 0.020      
16 H 0.020      
17 H 0.020      
18 H 0.025      
19 H 0.028      
20 H 0.028      
21 H 0.025      
22 H 0.028      
23 H 0.028      


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 0.063 0.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.366 0.000 0.000
y 0.000 -49.095 0.000
z 0.000 0.000 -48.610
Traceless
 xyz
x 1.486 0.000 0.000
y 0.000 -1.106 0.000
z 0.000 0.000 -0.380
Polar
3z2-r2-0.760
x2-y21.728
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.486 0.000 0.000
y 0.000 14.859 0.000
z 0.000 0.000 11.029


<r2> (average value of r2) Å2
<r2> 473.487
(<r2>)1/2 21.760