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All results from a given calculation for C7H16 (heptane)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-49.140989
Energy at 298.15K-49.158147
Nuclear repulsion energy175.298767
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/CEP-121G
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 3063 2985 89.76      
2 A1 2977 2901 0.15      
3 A1 2974 2899 264.95      
4 A1 2962 2887 4.97      
5 A1 2958 2883 0.03      
6 A1 1539 1500 13.89      
7 A1 1525 1486 1.51      
8 A1 1514 1476 0.06      
9 A1 1511 1472 0.01      
10 A1 1429 1392 4.28      
11 A1 1393 1358 0.61      
12 A1 1326 1292 0.01      
13 A1 1153 1124 1.26      
14 A1 1070 1043 0.65      
15 A1 989 963 0.01      
16 A1 915 891 1.53      
17 A1 410 399 0.05      
18 A1 295 287 0.00      
19 A1 97 94 0.00      
20 A2 3061 2983 0.00      
21 A2 3019 2942 0.00      
22 A2 2990 2914 0.00      
23 A2 1520 1482 0.00      
24 A2 1329 1295 0.00      
25 A2 1320 1286 0.00      
26 A2 1245 1213 0.00      
27 A2 1030 1004 0.00      
28 A2 856 834 0.00      
29 A2 745 726 0.00      
30 A2 228 222 0.00      
31 A2 135 132 0.00      
32 A2 77 75 0.00      
33 B1 3062 2984 265.56      
34 B1 3035 2958 106.68      
35 B1 3003 2927 0.65      
36 B1 2985 2909 0.03      
37 B1 1520 1482 16.31      
38 B1 1334 1300 0.69      
39 B1 1292 1259 0.18      
40 B1 1213 1182 0.04      
41 B1 946 922 0.81      
42 B1 782 762 1.57      
43 B1 736 717 6.00      
44 B1 230 224 0.00      
45 B1 138 135 0.00      
46 B1 64 62 0.00      
47 B2 3062 2984 53.67      
48 B2 2976 2900 61.38      
49 B2 2970 2894 10.98      
50 B2 2956 2881 0.79      
51 B2 1533 1494 1.14      
52 B2 1518 1480 2.35      
53 B2 1511 1472 0.24      
54 B2 1429 1393 4.30      
55 B2 1393 1357 0.90      
56 B2 1370 1335 1.92      
57 B2 1270 1238 0.59      
58 B2 1092 1064 6.06      
59 B2 1070 1042 1.01      
60 B2 1037 1011 0.29      
61 B2 875 852 2.60      
62 B2 473 461 0.12      
63 B2 240 234 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 47384.8 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 46176.5 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 B3LYP/CEP-121G
ABC
0.39524 0.02346 0.02281

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.507
C2 0.000 1.298 -0.345
C3 0.000 -1.298 -0.345
C4 0.000 2.597 0.506
C5 0.000 -2.597 0.506
C6 0.000 3.888 -0.354
C7 0.000 -3.888 -0.354
H8 -0.882 0.000 1.169
H9 0.882 0.000 1.169
H10 -0.882 1.299 -1.007
H11 0.882 1.299 -1.007
H12 0.882 -1.299 -1.007
H13 -0.882 -1.299 -1.007
H14 0.882 2.597 1.167
H15 -0.882 2.597 1.167
H16 -0.882 -2.597 1.167
H17 0.882 -2.597 1.167
H18 0.000 4.788 0.275
H19 0.888 3.930 -1.002
H20 -0.888 3.930 -1.002
H21 0.000 -4.788 0.275
H22 -0.888 -3.930 -1.002
H23 0.888 -3.930 -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
C11.55301.55302.59732.59733.98203.98201.10301.10302.18162.18162.18162.18162.82102.82102.82102.82104.79414.30254.30254.79414.30254.3025
C21.55302.59651.55313.98752.58955.18592.18092.18091.10311.10312.82202.82202.17982.17984.27064.27063.54492.85422.85426.11825.34375.3437
C31.55302.59653.98751.55315.18592.58952.18092.18092.82202.82201.10311.10314.27064.27062.17982.17986.11825.34375.34373.54492.85422.8542
C42.59731.55313.98755.19471.55106.54192.82212.82212.18022.18024.27224.27221.10211.10215.31005.31002.20332.19982.19987.38946.75806.7580
C52.59733.98751.55315.19476.54191.55102.82212.82214.27224.27222.18022.18025.31005.31001.10211.10217.38946.75806.75802.20332.19982.1998
C63.98202.58955.18591.55106.54197.77544.26774.26772.81162.81165.30185.30182.18142.18146.71906.71901.09881.09971.09978.69897.89467.8946
C73.98205.18592.58956.54191.55107.77544.26774.26775.30185.30182.81162.81166.71906.71902.18142.18148.69897.89467.89461.09881.09971.0997
H81.10302.18092.18092.82212.82214.26774.26771.76492.53433.08833.08832.53433.13962.59702.59703.13964.95054.82624.48994.95054.48994.8262
H91.10302.18092.18092.82212.82214.26774.26771.76493.08832.53432.53433.08832.59703.13963.13962.59704.95054.48994.82624.95054.82624.4899
H102.18161.10312.82202.18024.27222.81165.30182.53433.08831.76493.14112.59843.08622.53214.46184.79803.82063.17092.63096.28355.22935.5208
H112.18161.10312.82202.18024.27222.81165.30183.08832.53431.76492.59843.14112.53213.08624.79804.46183.82062.63093.17096.28355.52085.2293
H122.18162.82201.10314.27222.18025.30182.81163.08832.53433.14112.59841.76494.46184.79803.08622.53216.28355.22935.52083.82063.17092.6309
H132.18162.82201.10314.27222.18025.30182.81162.53433.08832.59843.14111.76494.79804.46182.53213.08626.28355.52085.22933.82062.63093.1709
H142.82102.17984.27061.10215.31002.18146.71903.13962.59703.08622.53214.46184.79801.76375.48535.19402.52512.54623.10077.49127.10216.8782
H152.82102.17984.27061.10215.31002.18146.71902.59703.13962.53213.08624.79804.46181.76375.19405.48532.52513.10072.54627.49126.87827.1021
H162.82104.27062.17985.31001.10216.71902.18142.59703.13964.46184.79803.08622.53215.48535.19401.76377.49127.10216.87822.52512.54623.1007
H172.82104.27062.17985.31001.10216.71902.18143.13962.59704.79804.46182.53213.08625.19405.48531.76377.49126.87827.10212.52513.10072.5462
H184.79413.54496.11822.20337.38941.09888.69894.95054.95053.82063.82066.28356.28352.52512.52517.49127.49121.77641.77649.57698.85628.8562
H194.30252.85425.34372.19986.75801.09977.89464.82624.48993.17092.63095.22935.52082.54623.10077.10216.87821.77641.77538.85628.05827.8602
H204.30252.85425.34372.19986.75801.09977.89464.48994.82622.63093.17095.52085.22933.10072.54626.87827.10211.77641.77538.85627.86028.0582
H214.79416.11823.54497.38942.20338.69891.09884.95054.95056.28356.28353.82063.82067.49127.49122.52512.52519.57698.85628.85621.77641.7764
H224.30255.34372.85426.75802.19987.89461.09974.48994.82625.22935.52083.17092.63097.10216.87822.54623.10078.85628.05827.86021.77641.7753
H234.30255.34372.85426.75802.19987.89461.09974.82624.48995.52085.22932.63093.17096.87827.10213.10072.54628.85627.86028.05821.77641.7753

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.483 C1 C2 H10 109.271
C1 C2 H11 109.271 C1 C3 C5 113.483
C1 C3 H12 109.271 C1 C3 H13 109.271
C2 C1 C3 113.435 C2 C1 H8 109.222
C2 C1 H9 109.222 C2 C4 C6 113.069
C2 C4 H14 109.179 C2 C4 H15 109.179
C3 C1 H8 109.222 C3 C1 H9 109.222
C3 C5 C7 113.069 C3 C5 H16 109.179
C3 C5 H17 109.179 C4 C2 H10 109.156
C4 C2 H11 109.156 C4 C6 H18 111.362
C4 C6 H19 111.031 C4 C6 H20 111.031
C5 C3 H12 109.156 C5 C3 H13 109.156
C5 C7 H21 111.362 C5 C7 H22 111.031
C5 C7 H23 111.031 C6 C4 H14 109.453
C6 C4 H15 109.453 C7 C5 H16 109.453
C7 C5 H17 109.453 H8 C1 H9 106.267
H10 C2 H11 106.250 H12 C3 H13 106.250
H14 C4 H15 106.283 H16 C5 H17 106.283
H18 C6 H19 107.804 H18 C6 H20 107.804
H19 C6 H20 107.644 H21 C7 H22 107.804
H21 C7 H23 107.804 H22 C7 H23 107.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 C -0.231      
3 C -0.231      
4 C -0.191      
5 C -0.191      
6 C -0.472      
7 C -0.472      
8 H 0.113      
9 H 0.113      
10 H 0.114      
11 H 0.114      
12 H 0.114      
13 H 0.114      
14 H 0.122      
15 H 0.122      
16 H 0.122      
17 H 0.122      
18 H 0.144      
19 H 0.139      
20 H 0.139      
21 H 0.144      
22 H 0.139      
23 H 0.139      


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 0.066 0.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.076 0.000 0.000
y 0.000 -50.122 0.000
z 0.000 0.000 -49.691
Traceless
 xyz
x 1.831 0.000 0.000
y 0.000 -1.239 0.000
z 0.000 0.000 -0.592
Polar
3z2-r2-1.183
x2-y22.046
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.126 0.000 0.000
y 0.000 15.132 0.000
z 0.000 0.000 11.542


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