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All results from a given calculation for C5H12 (Pentane)

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-197.843583
Energy at 298.15K-197.856430
HF Energy-197.843583
Nuclear repulsion energy184.614621
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 3089 2982 54.76      
2 A1 3025 2920 43.63      
3 A1 3017 2913 69.46      
4 A1 2999 2895 4.89      
5 A1 1519 1466 9.97      
6 A1 1502 1450 0.44      
7 A1 1491 1440 0.00      
8 A1 1419 1370 3.46      
9 A1 1375 1327 0.16      
10 A1 1164 1123 1.08      
11 A1 1041 1005 0.54      
12 A1 875 844 0.90      
13 A1 398 384 0.00      
14 A1 178 172 0.00      
15 A2 3084 2977 0.00      
16 A2 3035 2930 0.00      
17 A2 1503 1451 0.00      
18 A2 1338 1292 0.00      
19 A2 1273 1229 0.00      
20 A2 1001 967 0.00      
21 A2 772 745 0.00      
22 A2 245 236 0.00      
23 A2 110 106 0.00      
24 B1 3086 2979 134.52      
25 B1 3053 2947 41.35      
26 B1 3018 2913 0.27      
27 B1 1502 1450 15.36      
28 B1 1332 1286 0.76      
29 B1 1212 1170 0.04      
30 B1 874 844 1.07      
31 B1 738 713 3.42      
32 B1 238 229 0.00      
33 B1 114 111 0.00      
34 B2 3088 2982 33.11      
35 B2 3023 2919 45.56      
36 B2 3009 2905 0.05      
37 B2 1510 1458 1.67      
38 B2 1494 1442 1.18      
39 B2 1418 1369 1.25      
40 B2 1402 1354 2.46      
41 B2 1300 1255 1.99      
42 B2 1074 1037 1.41      
43 B2 1039 1003 0.93      
44 B2 925 893 2.29      
45 B2 398 384 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 35148.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 33932.4 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
0.57115 0.06437 0.06111

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 0.314
C2 0.000 1.282 -0.522
C3 0.000 -1.282 -0.522
C4 0.000 2.556 0.324
C5 0.000 -2.556 0.324
H6 0.876 0.000 0.974
H7 -0.876 0.000 0.974
H8 0.875 1.282 -1.181
H9 -0.875 1.282 -1.181
H10 -0.875 -1.282 -1.181
H11 0.875 -1.282 -1.181
H12 0.000 3.451 -0.302
H13 0.000 -3.451 -0.302
H14 -0.882 2.601 0.968
H15 0.882 2.601 0.968
H16 0.882 -2.601 0.968
H17 -0.882 -2.601 0.968

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.53071.53072.55592.55591.09661.09662.15502.15502.15502.15503.50573.50572.82352.82352.82352.8235
C21.53072.56361.52943.92982.15632.15631.09541.09542.78762.78762.18054.73802.17732.17734.25184.2518
C31.53072.56363.92981.52942.15632.15632.78762.78761.09541.09544.73802.18054.25184.25182.17732.1773
C42.55591.52943.92985.11172.77892.77892.15742.15744.21384.21381.09236.03951.09331.09335.27155.2715
C52.55593.92981.52945.11172.77892.77894.21384.21382.15742.15746.03951.09235.27155.27151.09331.0933
H61.09662.15632.15632.77892.77891.75202.50713.05833.05832.50713.78233.78233.13952.60122.60123.1395
H71.09662.15632.15632.77892.77891.75203.05832.50712.50713.05833.78233.78232.60123.13953.13952.6012
H82.15501.09542.78762.15744.21382.50713.05831.75083.10402.56302.49924.89253.07392.52204.43794.7731
H92.15501.09542.78762.15744.21383.05832.50711.75082.56303.10402.49924.89252.52203.07394.77314.4379
H102.15502.78761.09544.21382.15743.05832.50713.10402.56301.75084.89252.49924.43794.77313.07392.5220
H112.15502.78761.09544.21382.15742.50713.05832.56303.10401.75084.89252.49924.77314.43792.52203.0739
H123.50572.18054.73801.09236.03953.78233.78232.49922.49924.89254.89256.90221.76461.76466.24686.2468
H133.50574.73802.18056.03951.09233.78233.78234.89254.89252.49922.49926.90226.24686.24681.76461.7646
H142.82352.17734.25181.09335.27153.13952.60123.07392.52204.43794.77311.76466.24681.76395.49345.2025
H152.82352.17734.25181.09335.27152.60123.13952.52203.07394.77314.43791.76466.24681.76395.20255.4934
H162.82354.25182.17735.27151.09332.60123.13954.43794.77313.07392.52206.24681.76465.49345.20251.7639
H172.82354.25182.17735.27151.09333.13952.60124.77314.43792.52203.07396.24681.76465.20255.49341.7639

picture of Pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.278 C1 C2 H8 109.169
C1 C2 H9 109.169 C1 C3 C5 113.278
C1 C3 H10 109.169 C1 C3 H11 109.169
C2 C1 C3 113.734 C2 C1 H6 109.197
C2 C1 H7 109.197 C2 C4 H12 111.456
C2 C4 H14 111.144 C2 C4 H15 111.144
C3 C1 H6 109.197 C3 C1 H7 109.197
C3 C5 H13 111.456 C3 C5 H16 111.144
C3 C5 H17 111.144 C4 C2 H8 109.438
C4 C2 H9 109.438 C5 C3 H10 109.438
C5 C3 H11 109.438 H6 C1 H7 106.031
H8 C2 H9 106.097 H10 C3 H11 106.097
H12 C4 H14 107.681 H12 C4 H15 107.681
H13 C5 H16 107.681 H13 C5 H17 107.681
H14 C4 H15 107.550 H16 C5 H17 107.550
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 -0.211      
2 C -0.176      
3 C -0.176      
4 C -0.346      
5 C -0.346      
6 H 0.094      
7 H 0.094      
8 H 0.100      
9 H 0.100      
10 H 0.100      
11 H 0.100      
12 H 0.121      
13 H 0.121      
14 H 0.107      
15 H 0.107      
16 H 0.107      
17 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 -34.929 0.000 0.000
y 0.000 -36.437 0.000
z 0.000 0.000 -36.017
Traceless
 xyz
x 1.298 0.000 0.000
y 0.000 -0.964 0.000
z 0.000 0.000 -0.334
Polar
3z2-r2-0.667
x2-y21.508
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.354 0.000 0.000
y 0.000 10.852 0.000
z 0.000 0.000 8.714


<r2> (average value of r2) Å2
<r2> 202.160
(<r2>)1/2 14.218