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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-42.815996
Energy at 298.15K-42.825279
HF Energy-42.240903
Nuclear repulsion energy113.545507
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 MP2/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 A' 3071 2998 50.49      
2 A' 2996 2924 32.12      
3 A' 2980 2909 28.82      
4 A' 2965 2894 13.92      
5 A' 2960 2889 52.27      
6 A' 2013 1965 1.78      
7 A' 1538 1501 9.76      
8 A' 1523 1486 1.81      
9 A' 1512 1476 1.03      
10 A' 1508 1472 2.13      
11 A' 1450 1415 3.99      
12 A' 1415 1382 0.38      
13 A' 1386 1353 2.64      
14 A' 1302 1271 0.62      
15 A' 1129 1102 3.30      
16 A' 1074 1049 0.04      
17 A' 1016 992 0.88      
18 A' 913 891 0.21      
19 A' 882 861 3.75      
20 A' 498 486 2.98      
21 A' 374 365 0.47      
22 A' 261 255 0.25      
23 A' 116 113 4.82      
24 A" 3072 2998 114.90      
25 A" 3064 2991 1.94      
26 A" 3042 2969 6.55      
27 A" 3015 2943 6.76      
28 A" 1527 1490 7.86      
29 A" 1324 1292 0.17      
30 A" 1317 1286 0.57      
31 A" 1261 1231 0.03      
32 A" 1156 1129 0.33      
33 A" 944 921 0.22      
34 A" 801 782 0.14      
35 A" 715 698 2.39      
36 A" 328 320 0.05      
37 A" 227 221 0.09      
38 A" 101 99 0.01      
39 A" 81 79 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 28428.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 27746.6 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 MP2/CEP-121G
ABC
0.48150 0.04225 0.04003

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.354 0.000
C2 1.520 0.714 0.000
C3 1.767 2.257 0.000
C4 -0.234 -1.199 0.000
N5 -2.882 -1.807 0.000
C6 -1.694 -1.552 0.000
H7 2.845 2.487 0.000
H8 -0.486 0.790 0.892
H9 -0.486 0.790 -0.892
H10 1.996 0.263 0.892
H11 1.996 0.263 -0.892
H12 1.316 2.721 -0.894
H13 1.316 2.721 0.894
H14 0.236 -1.647 -0.892
H15 0.236 -1.647 0.892

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.56262.59681.56983.60202.54943.55621.10541.10542.18802.18802.85242.85242.20382.2038
C21.56261.56272.59525.07303.93232.21342.19692.19691.10701.10702.20722.20722.83212.8321
C32.59681.56273.99296.17465.14591.10292.83212.83212.19692.19691.10411.10414.28754.2875
C41.56982.59523.99292.71691.50184.80252.19402.19402.81112.81114.30884.30881.10401.1040
N53.60205.07306.17462.71691.21537.15823.64463.64465.37315.37316.23916.23913.24713.2471
C62.54943.93235.14591.50181.21536.07562.78192.78194.20704.20705.30235.30232.12842.1284
H73.55622.21341.10294.80257.15826.07563.84333.84332.54272.54271.78751.78754.96954.9695
H81.10542.19692.83212.19403.64462.78193.84331.78372.53713.10153.18832.64093.10592.5423
H91.10542.19692.83212.19403.64462.78193.84331.78373.10152.53712.64093.18832.54233.1059
H102.18801.10702.19692.81115.37314.20702.54272.53713.10151.78423.11452.55113.15082.5969
H112.18801.10702.19692.81115.37314.20702.54273.10152.53711.78422.55113.11452.59693.1508
H122.85242.20721.10414.30886.23915.30231.78753.18832.64093.11452.55111.78894.50014.8418
H132.85242.20721.10414.30886.23915.30231.78752.64093.18832.55113.11451.78894.84184.5001
H142.20382.83214.28751.10403.24712.12844.96953.10592.54233.15082.59694.50014.84181.7846
H152.20382.83214.28751.10403.24712.12844.96952.54233.10592.59693.15084.84184.50011.7846

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.388 C1 C2 H10 108.897
C1 C2 H11 108.897 C1 C4 C6 112.172
C1 C4 H14 109.793 C1 C4 H15 109.793
C2 C1 C4 111.893 C2 C1 H8 109.674
C2 C1 H9 109.674 C2 C3 H7 111.096
C2 C3 H12 110.542 C2 C3 H13 110.542
C3 C2 H10 109.571 C3 C2 H11 109.571
C4 C1 H8 108.961 C4 C1 H9 108.961
C4 C6 N5 178.536 C6 C4 H14 108.563
C6 C4 H15 108.563 H7 C3 H12 108.173
H7 C3 H13 108.173 H8 C1 H9 107.574
H10 C2 H11 107.387 H12 C3 H13 108.215
H14 C4 H15 107.846
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability