return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-248.948049
Energy at 298.15K-248.957890
Nuclear repulsion energy210.705248
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 HF/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3278 2951 71.47      
2 A' 3238 2916 29.00      
3 A' 3221 2901 31.68      
4 A' 3198 2880 20.58      
5 A' 3189 2871 69.00      
6 A' 2515 2265 22.88      
7 A' 1662 1496 14.65      
8 A' 1650 1486 0.04      
9 A' 1647 1483 2.92      
10 A' 1634 1472 5.32      
11 A' 1569 1413 6.85      
12 A' 1542 1388 1.70      
13 A' 1504 1354 1.96      
14 A' 1429 1287 0.38      
15 A' 1234 1111 6.51      
16 A' 1152 1037 0.07      
17 A' 1100 991 0.47      
18 A' 1009 908 1.52      
19 A' 965 869 11.31      
20 A' 597 538 2.68      
21 A' 409 368 1.03      
22 A' 312 280 1.29      
23 A' 139 126 6.22      
24 A" 3300 2971 69.61      
25 A" 3279 2953 86.74      
26 A" 3267 2941 0.28      
27 A" 3230 2908 11.59      
28 A" 1648 1484 10.80      
29 A" 1451 1307 0.22      
30 A" 1438 1295 0.32      
31 A" 1367 1231 0.01      
32 A" 1267 1141 0.43      
33 A" 1034 931 0.62      
34 A" 879 792 0.15      
35 A" 808 727 4.63      
36 A" 440 396 0.03      
37 A" 252 227 0.13      
38 A" 119 107 0.23      
39 A" 95 86 4.78      

Unscaled Zero Point Vibrational Energy (zpe) 31032.8 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 27941.9 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 HF/SDD
ABC
0.51054 0.04391 0.04166

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.411 0.000
C2 1.437 0.955 0.000
C3 1.480 2.491 0.000
C4 -0.026 -1.133 0.000
N5 -2.471 -2.090 0.000
C6 -1.396 -1.673 0.000
H7 2.503 2.852 0.000
H8 -0.531 0.777 0.871
H9 -0.531 0.777 -0.871
H10 1.966 0.579 0.872
H11 1.966 0.579 -0.872
H12 0.985 2.895 -0.877
H13 0.985 2.895 0.877
H14 0.489 -1.515 -0.873
H15 0.489 -1.515 0.873

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53682.55341.54383.51542.50813.49641.08441.08442.15742.15742.81272.81272.17042.1704
C21.53681.53662.54954.95433.86452.17572.16012.16011.08671.08672.17632.17632.78632.7863
C32.55341.53663.92456.04975.06101.08442.78272.78272.15672.15671.08531.08534.21854.2185
C41.54382.54953.92452.62581.47324.71942.15972.15972.76742.76744.24434.24431.08311.0831
N53.51544.95436.04972.62581.15277.01153.56963.56965.25095.25096.12886.12883.13923.1392
C62.50813.86455.06101.47321.15275.97312.74052.74054.13984.13985.22545.22542.08382.0838
H73.49642.17571.08444.71947.01155.97313.77773.77772.49252.49251.75371.75374.88764.8876
H81.08442.16012.78272.15973.56962.74053.77771.74242.50563.05213.13702.60463.05612.5097
H91.08442.16012.78272.15973.56962.74053.77771.74243.05212.50562.60463.13702.50973.0561
H102.15741.08672.15672.76745.25094.13982.49252.50563.05211.74333.06322.51493.10022.5629
H112.15741.08672.15672.76745.25094.13982.49253.05212.50561.74332.51493.06322.56293.1002
H122.81272.17631.08534.24436.12885.22541.75373.13702.60463.06322.51491.75454.43794.7705
H132.81272.17631.08534.24436.12885.22541.75372.60463.13702.51493.06321.75454.77054.4379
H142.17042.78634.21851.08313.13922.08384.88763.05612.50973.10022.56294.43794.77051.7456
H152.17042.78634.21851.08313.13922.08384.88762.50973.05612.56293.10024.77054.43791.7456

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.364 C1 C2 H10 109.435
C1 C2 H11 109.435 C1 C4 C6 112.449
C1 C4 H14 110.187 C1 C4 H15 110.187
C2 C1 C4 111.701 C2 C1 H8 109.784
C2 C1 H9 109.784 C2 C3 H7 111.040
C2 C3 H12 111.040 C2 C3 H13 111.040
C3 C2 H10 109.395 C3 C2 H11 109.395
C4 C1 H8 109.270 C4 C1 H9 109.270
C4 C6 N5 179.724 C6 C4 H14 108.239
C6 C4 H15 108.239 H7 C3 H12 107.854
H7 C3 H13 107.854 H8 C1 H9 106.910
H10 C2 H11 106.653 H12 C3 H13 107.865
H14 C4 H15 107.378
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 C -0.265      
3 C -0.575      
4 C -0.339      
5 N -0.080      
6 C -0.118      
7 H 0.187      
8 H 0.177      
9 H 0.177      
10 H 0.159      
11 H 0.159      
12 H 0.174      
13 H 0.174      
14 H 0.217      
15 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.103 1.984 0.000 4.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.123 -9.123 0.000
y -9.123 -43.562 0.000
z 0.000 0.000 -37.378
Traceless
 xyz
x -9.653 -9.123 0.000
y -9.123 0.188 0.000
z 0.000 0.000 9.464
Polar
3z2-r218.929
x2-y2-6.561
xy-9.123
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.975 1.567 0.000
y 1.567 7.957 0.000
z 0.000 0.000 6.309


<r2> (average value of r2) Å2
<r2> 260.500
(<r2>)1/2 16.140