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All results from a given calculation for C7H16 (heptane)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-276.192053
Energy at 298.15K-276.209118
Nuclear repulsion energy303.801945
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-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 3013 3018 52.32      
2 A1 2944 2949 33.37      
3 A1 2931 2936 155.67      
4 A1 2920 2925 11.24      
5 A1 2915 2919 0.34      
6 A1 1451 1454 2.46      
7 A1 1438 1440 0.89      
8 A1 1423 1425 0.19      
9 A1 1420 1422 0.02      
10 A1 1360 1362 0.50      
11 A1 1349 1351 0.35      
12 A1 1275 1278 0.06      
13 A1 1117 1119 0.72      
14 A1 1037 1039 0.55      
15 A1 967 968 0.00      
16 A1 892 893 1.03      
17 A1 406 407 0.05      
18 A1 293 294 0.00      
19 A1 95 96 0.01      
20 A2 3006 3011 0.00      
21 A2 2961 2966 0.00      
22 A2 2936 2941 0.00      
23 A2 1431 1433 0.00      
24 A2 1290 1292 0.00      
25 A2 1281 1283 0.00      
26 A2 1197 1199 0.00      
27 A2 997 999 0.00      
28 A2 827 828 0.00      
29 A2 729 730 0.00      
30 A2 245 246 0.00      
31 A2 146 146 0.00      
32 A2 84 84 0.00      
33 B1 3007 3011 132.61      
34 B1 2973 2978 126.27      
35 B1 2948 2953 0.37      
36 B1 2931 2936 0.08      
37 B1 1431 1433 9.37      
38 B1 1295 1297 0.65      
39 B1 1250 1252 0.07      
40 B1 1162 1164 0.08      
41 B1 913 915 0.69      
42 B1 759 760 1.20      
43 B1 726 728 4.45      
44 B1 247 248 0.00      
45 B1 151 152 0.00      
46 B1 67 68 0.00      
47 B2 3013 3018 36.83      
48 B2 2944 2948 51.98      
49 B2 2928 2932 0.06      
50 B2 2914 2918 0.02      
51 B2 1445 1447 0.33      
52 B2 1429 1431 0.53      
53 B2 1419 1421 0.47      
54 B2 1362 1364 0.06      
55 B2 1350 1352 0.50      
56 B2 1323 1325 4.98      
57 B2 1218 1220 11.77      
58 B2 1054 1056 1.24      
59 B2 1035 1036 0.09      
60 B2 1010 1012 0.22      
61 B2 856 858 1.46      
62 B2 469 470 0.10      
63 B2 237 238 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 46118.5 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 46192.3 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-pVDZ
ABC
0.39538 0.02362 0.02296

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.496
C2 0.000 1.293 -0.346
C3 0.000 -1.293 -0.346
C4 0.000 2.587 0.497
C5 0.000 -2.587 0.497
C6 0.000 3.873 -0.354
C7 0.000 -3.873 -0.354
H8 -0.888 0.000 1.169
H9 0.888 0.000 1.169
H10 -0.888 1.295 -1.018
H11 0.888 1.295 -1.018
H12 0.888 -1.295 -1.018
H13 -0.888 -1.295 -1.018
H14 0.888 2.586 1.168
H15 -0.888 2.586 1.168
H16 -0.888 -2.586 1.168
H17 0.888 -2.586 1.168
H18 0.000 4.782 0.281
H19 0.894 3.923 -1.011
H20 -0.894 3.923 -1.011
H21 0.000 -4.782 0.281
H22 -0.894 -3.923 -1.011
H23 0.894 -3.923 -1.011

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
C11.54351.54352.58742.58743.96493.96491.11401.11402.18172.18172.18172.18172.81592.81592.81592.81594.78734.29634.29634.78734.29634.2963
C21.54352.58701.54393.97122.57925.16612.18092.18091.11421.11422.81772.81772.18002.18004.25844.25843.54482.85562.85566.10825.33385.3338
C31.54352.58703.97121.54395.16612.57922.18092.18092.81772.81771.11421.11424.25844.25842.18002.18006.10825.33385.33383.54482.85562.8556
C42.58741.54393.97125.17471.54126.51572.81692.81692.18072.18074.26074.26071.11331.11335.29225.29222.20572.20332.20337.37306.74186.7418
C52.58743.97121.54395.17476.51571.54122.81692.81694.26074.26072.18072.18075.29225.29221.11331.11337.37306.74186.74182.20572.20332.2033
C63.96492.57925.16611.54126.51577.74534.25504.25502.80662.80665.28495.28492.18172.18176.69516.69511.10931.11081.11088.67847.87387.8738
C73.96495.16612.57926.51571.54127.74534.25504.25505.28495.28492.80662.80666.69516.69512.18172.18178.67847.87387.87381.10931.11081.1108
H81.11402.18092.18092.81692.81694.25504.25501.77612.54183.10093.10092.54183.13732.58642.58643.13734.94474.82864.48754.94474.48754.8286
H91.11402.18092.18092.81692.81694.25504.25501.77613.10092.54182.54183.10092.58643.13733.13732.58644.94474.48754.82864.94474.82864.4875
H102.18171.11422.81772.18074.26072.80665.28492.54183.10091.77633.13992.58913.09922.53994.45474.79563.82653.17562.62806.27755.21715.5133
H112.18171.11422.81772.18074.26072.80665.28493.10092.54181.77632.58913.13992.53993.09924.79564.45473.82652.62803.17566.27755.51335.2171
H122.18172.81771.11424.26072.18075.28492.80663.10092.54183.13992.58911.77634.45474.79563.09922.53996.27755.21715.51333.82653.17562.6280
H132.18172.81771.11424.26072.18075.28492.80662.54183.10092.58913.13991.77634.79564.45472.53993.09926.27755.51335.21713.82652.62803.1756
H142.81592.18004.25841.11335.29222.18176.69513.13732.58643.09922.53994.45474.79561.77555.46905.17282.52962.55613.11617.47507.09166.8640
H152.81592.18004.25841.11335.29222.18176.69512.58643.13732.53993.09924.79564.45471.77555.17285.46902.52963.11612.55617.47506.86407.0916
H162.81594.25842.18005.29221.11336.69512.18172.58643.13734.45474.79563.09922.53995.46905.17281.77557.47507.09166.86402.52962.55613.1161
H172.81594.25842.18005.29221.11336.69512.18173.13732.58644.79564.45472.53993.09925.17285.46901.77557.47506.86407.09162.52963.11612.5561
H184.78733.54486.10822.20577.37301.10938.67844.94474.94473.82653.82656.27756.27752.52962.52967.47507.47501.79091.79099.56508.84578.8457
H194.29632.85565.33382.20336.74181.11087.87384.82864.48753.17562.62805.21715.51332.55613.11617.09166.86401.79091.78908.84578.04667.8452
H204.29632.85565.33382.20336.74181.11087.87384.48754.82862.62803.17565.51335.21713.11612.55616.86407.09161.79091.78908.84577.84528.0466
H214.78736.10823.54487.37302.20578.67841.10934.94474.94476.27756.27753.82653.82657.47507.47502.52962.52969.56508.84578.84571.79091.7909
H224.29635.33382.85566.74182.20337.87381.11084.48754.82865.21715.51333.17562.62807.09166.86402.55613.11618.84578.04667.84521.79091.7890
H234.29635.33382.85566.74182.20337.87381.11084.82864.48755.51335.21712.62803.17566.86407.09163.11612.55618.84577.84528.04661.79091.7890

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.865 C1 C2 H10 109.283
C1 C2 H11 109.283 C1 C3 C5 113.865
C1 C3 H12 109.283 C1 C3 H13 109.283
C2 C1 C3 113.862 C2 C1 H8 109.234
C2 C1 H9 109.234 C2 C4 C6 113.441
C2 C4 H14 109.179 C2 C4 H15 109.179
C3 C1 H8 109.234 C3 C1 H9 109.234
C3 C5 C7 113.441 C3 C5 H16 109.179
C3 C5 H17 109.179 C4 C2 H10 109.185
C4 C2 H11 109.185 C4 C6 H18 111.608
C4 C6 H19 111.331 C4 C6 H20 111.331
C5 C3 H12 109.185 C5 C3 H13 109.185
C5 C7 H21 111.608 C5 C7 H22 111.331
C5 C7 H23 111.331 C6 C4 H14 109.495
C6 C4 H15 109.495 C7 C5 H16 109.495
C7 C5 H17 109.495 H8 C1 H9 105.723
H10 C2 H11 105.720 H12 C3 H13 105.720
H14 C4 H15 105.767 H16 C5 H17 105.767
H18 C6 H19 107.541 H18 C6 H20 107.541
H19 C6 H20 107.269 H21 C7 H22 107.541
H21 C7 H23 107.541 H22 C7 H23 107.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C 0.023      
3 C 0.023      
4 C -0.002      
5 C -0.002      
6 C 0.027      
7 C 0.027      
8 H -0.015      
9 H -0.015      
10 H -0.014      
11 H -0.014      
12 H -0.014      
13 H -0.014      
14 H -0.011      
15 H -0.011      
16 H -0.011      
17 H -0.011      
18 H -0.003      
19 H 0.004      
20 H 0.004      
21 H -0.003      
22 H 0.004      
23 H 0.004      


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 0.065 0.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.299 0.000 0.000
y 0.000 -49.985 0.000
z 0.000 0.000 -49.429
Traceless
 xyz
x 1.408 0.000 0.000
y 0.000 -1.121 0.000
z 0.000 0.000 -0.287
Polar
3z2-r2-0.573
x2-y21.686
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.856 0.000 0.000
y 0.000 15.722 0.000
z 0.000 0.000 11.408


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