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All results from a given calculation for C7H16 (heptane)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-276.497550
Energy at 298.15K-276.514778
HF Energy-276.497550
Nuclear repulsion energy307.074342
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 B3LYP/TZVP
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 3088 2981 54.22      
2 A1 3024 2919 52.40      
3 A1 3017 2912 126.67      
4 A1 3004 2900 5.01      
5 A1 2998 2894 0.36      
6 A1 1521 1468 12.55      
7 A1 1507 1455 1.05      
8 A1 1495 1443 0.07      
9 A1 1491 1440 0.00      
10 A1 1418 1369 3.09      
11 A1 1403 1354 0.53      
12 A1 1327 1281 0.03      
13 A1 1158 1118 0.84      
14 A1 1064 1028 0.61      
15 A1 994 960 0.01      
16 A1 919 888 1.07      
17 A1 418 404 0.02      
18 A1 301 291 0.00      
19 A1 98 95 0.00      
20 A2 3083 2977 0.00      
21 A2 3045 2939 0.00      
22 A2 3019 2915 0.00      
23 A2 1503 1451 0.00      
24 A2 1339 1292 0.00      
25 A2 1331 1285 0.00      
26 A2 1247 1204 0.00      
27 A2 1036 1000 0.00      
28 A2 855 825 0.00      
29 A2 744 718 0.00      
30 A2 240 232 0.00      
31 A2 143 138 0.00      
32 A2 80 77 0.00      
33 B1 3084 2977 144.90      
34 B1 3056 2951 97.88      
35 B1 3031 2927 0.18      
36 B1 3013 2909 0.07      
37 B1 1503 1451 15.20      
38 B1 1345 1298 0.90      
39 B1 1299 1254 0.20      
40 B1 1210 1168 0.03      
41 B1 947 915 0.58      
42 B1 781 754 1.01      
43 B1 737 711 4.61      
44 B1 242 234 0.00      
45 B1 146 141 0.00      
46 B1 66 64 0.00      
47 B2 3088 2981 34.93      
48 B2 3023 2919 48.84      
49 B2 3012 2908 0.03      
50 B2 2997 2894 0.02      
51 B2 1515 1463 0.91      
52 B2 1500 1448 1.61      
53 B2 1491 1439 0.34      
54 B2 1420 1371 1.70      
55 B2 1404 1356 1.08      
56 B2 1375 1328 1.70      
57 B2 1268 1224 1.35      
58 B2 1092 1054 3.58      
59 B2 1064 1027 0.09      
60 B2 1036 1000 0.27      
61 B2 881 851 1.87      
62 B2 483 466 0.08      
63 B2 245 236 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 47631.2 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 45983.2 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 B3LYP/TZVP
ABC
0.40458 0.02407 0.02341

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.494
C2 0.000 1.281 -0.343
C3 0.000 -1.281 -0.343
C4 0.000 2.563 0.493
C5 0.000 -2.563 0.493
C6 0.000 3.837 -0.352
C7 0.000 -3.837 -0.352
H8 -0.876 0.000 1.154
H9 0.876 0.000 1.154
H10 -0.876 1.282 -1.003
H11 0.876 1.282 -1.003
H12 0.876 -1.282 -1.003
H13 -0.876 -1.282 -1.003
H14 0.875 2.563 1.152
H15 -0.875 2.563 1.152
H16 -0.875 -2.563 1.152
H17 0.875 -2.563 1.152
H18 0.000 4.732 0.273
H19 0.882 3.883 -0.997
H20 -0.882 3.883 -0.997
H21 0.000 -4.732 0.273
H22 -0.882 -3.883 -0.997
H23 0.882 -3.883 -0.997

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
C11.53021.53022.56312.56313.92903.92901.09651.09652.15682.15682.15682.15682.78672.78672.78672.78674.73744.25214.25214.73744.25214.2521
C21.53022.56201.53053.93392.55585.11782.15612.15611.09661.09662.78762.78762.15502.15504.21604.21603.50592.82432.82436.04485.27965.2796
C31.53022.56203.93391.53055.11782.55582.15612.15612.78762.78761.09661.09664.21604.21602.15502.15506.04485.27965.27963.50592.82432.8243
C42.56311.53053.93395.12611.52866.45542.78802.78802.15562.15564.21774.21771.09561.09565.24155.24152.18032.17722.17727.29876.67476.6747
C52.56313.93391.53055.12616.45541.52862.78802.78804.21774.21772.15562.15565.24155.24151.09561.09567.29876.67476.67472.18032.17722.1772
C63.92902.55585.11781.52866.45547.67364.21394.21392.77812.77815.23375.23372.15692.15696.63196.63191.09241.09341.09348.59197.79697.7969
C73.92905.11782.55586.45541.52867.67364.21394.21395.23375.23372.77812.77816.63196.63192.15692.15698.59197.79697.79691.09241.09341.0934
H81.09652.15612.15612.78802.78804.21394.21391.75122.50953.06013.06012.50953.10352.56262.56263.10354.89254.77444.43924.89254.43924.7744
H91.09652.15612.15612.78802.78804.21394.21391.75123.06012.50952.50953.06012.56263.10353.10352.56264.89254.43924.77444.89254.77444.4392
H102.15681.09662.78762.15564.21772.77815.23372.50953.06011.75113.10482.56383.05792.50724.40764.74253.78173.13922.60136.21025.16515.4558
H112.15681.09662.78762.15564.21772.77815.23373.06012.50951.75112.56383.10482.50723.05794.74254.40763.78172.60133.13926.21025.45585.1651
H122.15682.78761.09664.21772.15565.23372.77813.06012.50953.10482.56381.75114.40764.74253.05792.50726.21025.16515.45583.78173.13922.6013
H132.15682.78761.09664.21772.15565.23372.77812.50953.06012.56383.10481.75114.74254.40762.50723.05796.21025.45585.16513.78172.60133.1392
H142.78672.15504.21601.09565.24152.15696.63193.10352.56263.05792.50724.40764.74251.75005.41585.12532.49912.52263.07407.39967.01816.7947
H152.78672.15504.21601.09565.24152.15696.63192.56263.10352.50723.05794.74254.40761.75005.12535.41582.49913.07402.52267.39966.79477.0181
H162.78674.21602.15505.24151.09566.63192.15692.56263.10354.40764.74253.05792.50725.41585.12531.75007.39967.01816.79472.49912.52263.0740
H172.78674.21602.15505.24151.09566.63192.15693.10352.56264.74254.40762.50723.05795.12535.41581.75007.39966.79477.01812.49913.07402.5226
H184.73743.50596.04482.18037.29871.09248.59194.89254.89253.78173.78176.21026.21022.49912.49917.39967.39961.76431.76439.46468.75328.7532
H194.25212.82435.27962.17726.67471.09347.79694.77444.43923.13922.60135.16515.45582.52263.07407.01816.79471.76431.76348.75327.96407.7663
H204.25212.82435.27962.17726.67471.09347.79694.43924.77442.60133.13925.45585.16513.07402.52266.79477.01811.76431.76348.75327.76637.9640
H214.73746.04483.50597.29872.18038.59191.09244.89254.89256.21026.21023.78173.78177.39967.39962.49912.49919.46468.75328.75321.76431.7643
H224.25215.27962.82436.67472.17727.79691.09344.43924.77445.16515.45583.13922.60137.01816.79472.52263.07408.75327.96407.76631.76431.7634
H234.25215.27962.82436.67472.17727.79691.09344.77444.43925.45585.16512.60133.13926.79477.01813.07402.52268.75327.76637.96401.76431.7634

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.733 C1 C2 H10 109.273
C1 C2 H11 109.273 C1 C3 C5 113.733
C1 C3 H12 109.273 C1 C3 H13 109.273
C2 C1 C3 113.674 C2 C1 H8 109.225
C2 C1 H9 109.225 C2 C4 C6 113.332
C2 C4 H14 109.168 C2 C4 H15 109.168
C3 C1 H8 109.225 C3 C1 H9 109.225
C3 C5 C7 113.332 C3 C5 H16 109.168
C3 C5 H17 109.168 C4 C2 H10 109.155
C4 C2 H11 109.155 C4 C6 H18 111.497
C4 C6 H19 111.189 C4 C6 H20 111.189
C5 C3 H12 109.155 C5 C3 H13 109.155
C5 C7 H21 111.497 C5 C7 H22 111.189
C5 C7 H23 111.189 C6 C4 H14 109.454
C6 C4 H15 109.454 C7 C5 H16 109.454
C7 C5 H17 109.454 H8 C1 H9 105.983
H10 C2 H11 105.961 H12 C3 H13 105.961
H14 C4 H15 106.002 H16 C5 H17 106.002
H18 C6 H19 107.639 H18 C6 H20 107.639
H19 C6 H20 107.493 H21 C7 H22 107.639
H21 C7 H23 107.639 H22 C7 H23 107.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.207      
3 C -0.207      
4 C -0.178      
5 C -0.178      
6 C -0.346      
7 C -0.346      
8 H 0.097      
9 H 0.097      
10 H 0.096      
11 H 0.096      
12 H 0.096      
13 H 0.096      
14 H 0.101      
15 H 0.101      
16 H 0.101      
17 H 0.101      
18 H 0.121      
19 H 0.107      
20 H 0.107      
21 H 0.121      
22 H 0.107      
23 H 0.107      


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 0.085 0.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.177 0.000 0.000
y 0.000 -50.401 0.000
z 0.000 0.000 -49.832
Traceless
 xyz
x 1.940 0.000 0.000
y 0.000 -1.396 0.000
z 0.000 0.000 -0.544
Polar
3z2-r2-1.088
x2-y22.224
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.241 0.000 0.000
y 0.000 15.705 0.000
z 0.000 0.000 11.787


<r2> (average value of r2) Å2
<r2> 478.198
(<r2>)1/2 21.868