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All results from a given calculation for C7H16 (heptane)

using model chemistry: B3LYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-276.477609
Energy at 298.15K-276.494830
Nuclear repulsion energy306.642764
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/6-311G**
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 3084 2981 58.06      
2 A1 3019 2919 51.91      
3 A1 3011 2911 132.81      
4 A1 2999 2900 6.20      
5 A1 2993 2894 0.42      
6 A1 1518 1468 10.97      
7 A1 1505 1455 0.97      
8 A1 1493 1443 0.07      
9 A1 1489 1439 0.01      
10 A1 1414 1367 3.13      
11 A1 1400 1353 0.37      
12 A1 1322 1278 0.02      
13 A1 1155 1117 0.85      
14 A1 1065 1030 0.59      
15 A1 995 962 0.01      
16 A1 918 887 1.22      
17 A1 416 403 0.04      
18 A1 300 290 0.00      
19 A1 98 95 0.00      
20 A2 3079 2977 0.00      
21 A2 3040 2939 0.00      
22 A2 3014 2914 0.00      
23 A2 1501 1451 0.00      
24 A2 1336 1292 0.00      
25 A2 1329 1284 0.00      
26 A2 1243 1202 0.00      
27 A2 1032 998 0.00      
28 A2 852 823 0.00      
29 A2 741 717 0.00      
30 A2 240 232 0.00      
31 A2 144 139 0.00      
32 A2 81 78 0.00      
33 B1 3080 2977 155.87      
34 B1 3051 2950 106.97      
35 B1 3027 2926 0.20      
36 B1 3008 2908 0.08      
37 B1 1501 1451 15.23      
38 B1 1342 1298 0.81      
39 B1 1296 1253 0.13      
40 B1 1205 1165 0.06      
41 B1 944 913 0.72      
42 B1 778 752 1.24      
43 B1 735 711 5.05      
44 B1 243 235 0.00      
45 B1 148 143 0.00      
46 B1 67 64 0.00      
47 B2 3084 2981 37.05      
48 B2 3019 2918 50.06      
49 B2 3007 2907 0.01      
50 B2 2992 2893 0.02      
51 B2 1513 1462 0.97      
52 B2 1498 1448 1.53      
53 B2 1488 1439 0.27      
54 B2 1416 1369 1.68      
55 B2 1402 1356 1.11      
56 B2 1371 1326 1.62      
57 B2 1263 1221 1.44      
58 B2 1089 1053 4.12      
59 B2 1065 1029 0.22      
60 B2 1037 1002 0.19      
61 B2 881 851 1.99      
62 B2 481 465 0.09      
63 B2 244 235 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 47548.9 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 45970.2 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/6-311G**
ABC
0.40347 0.02400 0.02334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.495
C2 0.000 1.283 -0.344
C3 0.000 -1.283 -0.344
C4 0.000 2.567 0.494
C5 0.000 -2.567 0.494
C6 0.000 3.842 -0.353
C7 0.000 -3.842 -0.353
H8 -0.877 0.000 1.156
H9 0.877 0.000 1.156
H10 -0.877 1.284 -1.005
H11 0.877 1.284 -1.005
H12 0.877 -1.284 -1.005
H13 -0.877 -1.284 -1.005
H14 0.876 2.566 1.154
H15 -0.876 2.566 1.154
H16 -0.876 -2.566 1.154
H17 0.876 -2.566 1.154
H18 0.000 4.739 0.274
H19 0.883 3.889 -0.998
H20 -0.883 3.889 -0.998
H21 0.000 -4.739 0.274
H22 -0.883 -3.889 -0.998
H23 0.883 -3.889 -0.998

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
C11.53261.53262.56682.56683.93473.93471.09781.09782.15992.15992.15992.15992.79052.79052.79052.79054.74414.25814.25814.74414.25814.2581
C21.53262.56571.53283.93972.55965.12532.15922.15921.09791.09792.79172.79172.15802.15804.22204.22203.51072.82822.82826.05345.28725.2872
C31.53262.56573.93971.53285.12532.55962.15922.15922.79172.79171.09791.09794.22204.22202.15802.15806.05345.28725.28723.51072.82822.8282
C42.56681.53283.93975.13351.53096.46482.79192.79192.15872.15874.22394.22391.09691.09695.24885.24882.18332.18022.18027.30906.68436.6843
C52.56683.93971.53285.13356.46481.53092.79192.79194.22394.22392.15872.15875.24885.24881.09691.09697.30906.68436.68432.18332.18022.1802
C63.93472.55965.12531.53096.46487.68494.21994.21992.78212.78215.24145.24142.16002.16006.64136.64131.09361.09461.09468.60427.80837.8083
C73.93475.12532.55966.46481.53097.68494.21994.21995.24145.24142.78212.78216.64136.64132.16002.16008.60427.80837.80831.09361.09461.0946
H81.09782.15922.15922.79192.79194.21994.21991.75322.51313.06423.06422.51313.10752.56622.56623.10754.89934.78104.44554.89934.44554.7810
H91.09782.15922.15922.79192.79194.21994.21991.75323.06422.51312.51313.06422.56623.10753.10752.56624.89934.44554.78104.89934.78104.4455
H102.15991.09792.79172.15874.22392.78215.24142.51313.06421.75313.10902.56773.06202.51094.41394.74913.78693.14342.60516.21905.17275.4637
H112.15991.09792.79172.15874.22392.78215.24143.06422.51311.75312.56773.10902.51093.06204.74914.41393.78692.60513.14346.21905.46375.1727
H122.15992.79171.09794.22392.15875.24142.78213.06422.51313.10902.56771.75314.41394.74913.06202.51096.21905.17275.46373.78693.14342.6051
H132.15992.79171.09794.22392.15875.24142.78212.51313.06422.56773.10901.75314.74914.41392.51093.06206.21905.46375.17273.78692.60513.1434
H142.79052.15804.22201.09695.24882.16006.64133.10752.56623.06202.51094.41394.74911.75195.42315.13242.50262.52613.07807.40997.02806.8044
H152.79052.15804.22201.09695.24882.16006.64132.56623.10752.51093.06204.74914.41391.75195.13245.42312.50263.07802.52617.40996.80447.0280
H162.79054.22202.15805.24881.09696.64132.16002.56623.10754.41394.74913.06202.51095.42315.13241.75197.40997.02806.80442.50262.52613.0780
H172.79054.22202.15805.24881.09696.64132.16003.10752.56624.74914.41392.51093.06205.13245.42311.75197.40996.80447.02802.50263.07802.5261
H184.74413.51076.05342.18337.30901.09368.60424.89934.89933.78693.78696.21906.21902.50262.50267.40997.40991.76621.76629.47788.76568.7656
H194.25812.82825.28722.18026.68431.09467.80834.78104.44553.14342.60515.17275.46372.52613.07807.02806.80441.76621.76538.76567.97567.7778
H204.25812.82825.28722.18026.68431.09467.80834.44554.78102.60513.14345.46375.17273.07802.52616.80447.02801.76621.76538.76567.77787.9756
H214.74416.05343.51077.30902.18338.60421.09364.89934.89936.21906.21903.78693.78697.40997.40992.50262.50269.47788.76568.76561.76621.7662
H224.25815.28722.82826.68432.18027.80831.09464.44554.78105.17275.46373.14342.60517.02806.80442.52613.07808.76567.97567.77781.76621.7653
H234.25815.28722.82826.68432.18027.80831.09464.78104.44555.46375.17272.60513.14346.80447.02803.07802.52618.76567.77787.97561.76621.7653

picture of heptane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.719 C1 C2 H10 109.279
C1 C2 H11 109.279 C1 C3 C5 113.719
C1 C3 H12 109.279 C1 C3 H13 109.279
C2 C1 C3 113.667 C2 C1 H8 109.229
C2 C1 H9 109.229 C2 C4 C6 113.325
C2 C4 H14 109.172 C2 C4 H15 109.172
C3 C1 H8 109.229 C3 C1 H9 109.229
C3 C5 C7 113.325 C3 C5 H16 109.172
C3 C5 H17 109.172 C4 C2 H10 109.162
C4 C2 H11 109.162 C4 C6 H18 111.502
C4 C6 H19 111.189 C4 C6 H20 111.189
C5 C3 H12 109.162 C5 C3 H13 109.162
C5 C7 H21 111.502 C5 C7 H22 111.189
C5 C7 H23 111.189 C6 C4 H14 109.461
C6 C4 H15 109.461 C7 C5 H16 109.461
C7 C5 H17 109.461 H8 C1 H9 105.971
H10 C2 H11 105.949 H12 C3 H13 105.949
H14 C4 H15 105.988 H16 C5 H17 105.988
H18 C6 H19 107.639 H18 C6 H20 107.639
H19 C6 H20 107.488 H21 C7 H22 107.639
H21 C7 H23 107.639 H22 C7 H23 107.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.199      
2 C -0.203      
3 C -0.203      
4 C -0.222      
5 C -0.222      
6 C -0.289      
7 C -0.289      
8 H 0.100      
9 H 0.100      
10 H 0.100      
11 H 0.100      
12 H 0.100      
13 H 0.100      
14 H 0.103      
15 H 0.103      
16 H 0.103      
17 H 0.103      
18 H 0.105      
19 H 0.101      
20 H 0.101      
21 H 0.105      
22 H 0.101      
23 H 0.101      


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 0.075 0.075
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.134 -0.002 -0.000
y -0.002 -50.212 0.001
z -0.000 0.001 -49.590
Traceless
 xyz
x 1.766 -0.002 -0.000
y -0.002 -1.350 0.001
z -0.000 0.001 -0.416
Polar
3z2-r2-0.833
x2-y22.077
xy-0.002
xz-0.000
yz0.001


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


<r2> (average value of r2) Å2
<r2> 479.391
(<r2>)1/2 21.895