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All results from a given calculation for C5H7N ((Z)-2-Pentenenitrile)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-41.909305
Energy at 298.15K-41.915979
HF Energy-41.152614
Nuclear repulsion energy104.108933
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-31G*
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 3241 3077 6.62      
2 A 3194 3032 44.52      
3 A 3188 3027 26.31      
4 A 3184 3023 11.23      
5 A 3169 3008 0.57      
6 A 3103 2946 21.41      
7 A 3086 2930 32.81      
8 A 2160 2050 0.28      
9 A 1694 1608 1.77      
10 A 1530 1453 9.15      
11 A 1525 1448 8.02      
12 A 1515 1438 3.48      
13 A 1440 1367 2.20      
14 A 1418 1346 0.57      
15 A 1350 1282 1.66      
16 A 1317 1250 0.04      
17 A 1252 1189 0.37      
18 A 1150 1092 1.42      
19 A 1111 1054 6.96      
20 A 1054 1000 3.07      
21 A 968 919 3.14      
22 A 961 912 0.60      
23 A 878 834 3.63      
24 A 813 772 8.02      
25 A 776 737 52.04      
26 A 645 612 1.09      
27 A 548 520 1.30      
28 A 379 360 0.03      
29 A 359 341 0.85      
30 A 235 223 0.09      
31 A 203 192 3.08      
32 A 145 138 3.60      
33 A 40 38 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 23814.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 22609.1 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-31G*
ABC
0.22684 0.06848 0.05746

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.800 -0.139 -0.085
N2 -2.481 -1.128 -0.002
C3 -0.974 1.059 -0.191
H4 -1.465 1.968 -0.550
C5 0.358 1.044 0.148
H6 0.914 1.985 0.032
C7 1.130 -0.169 0.623
H8 0.437 -0.997 0.843
H9 1.654 0.094 1.561
C10 2.175 -0.608 -0.437
H11 1.671 -0.919 -1.369
H12 2.867 0.219 -0.677
H13 2.769 -1.460 -0.061

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.20341.45912.18312.47233.44883.01492.56993.83414.01893.78234.71834.7570
N21.20342.66253.30353.57764.60643.78813.04064.58674.70554.37615.55615.2612
C31.45912.66251.09391.37432.11482.56832.69963.30263.57213.50653.96174.5139
H42.18313.30351.09392.15992.45003.56063.78844.20734.46154.34034.67375.4702
C52.47233.57761.37432.15991.09921.51432.15812.13992.52542.80722.76723.4830
H63.44884.60642.11482.45001.09922.24393.12742.54182.92193.31202.72673.9141
C73.01493.78812.56833.56061.51432.24391.10241.10621.55252.19632.20392.1961
H82.56993.04062.69963.78842.15813.12741.10241.78592.19372.53413.11362.5438
H93.83414.58673.30264.20732.13992.54181.10621.78592.18113.10032.54812.5078
C104.01894.70553.57214.46152.52542.92191.55252.19372.18111.10441.10471.1045
H113.78234.37613.50654.34032.80723.31202.19632.53413.10031.10441.79041.7921
H124.71835.55613.96174.67372.76722.72672.20393.11362.54811.10471.79041.7913
H134.75705.26124.51395.47023.48303.91412.19612.54382.50781.10451.79211.7913

picture of (Z)-2-Pentenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.817 C1 C3 C5 121.484
N2 C1 C3 179.823 C3 C5 H6 117.082
C3 C5 C7 125.451 H4 C3 C5 121.699
C5 C7 H8 110.130 C5 C7 H9 108.489
C5 C7 C10 110.859 H6 C5 C7 117.434
C7 C10 H11 110.377 C7 C10 H12 110.947
C7 C10 H13 110.352 H8 C7 H9 107.916
H8 C7 C10 110.284 H9 C7 C10 109.088
H11 C10 H12 108.282 H11 C10 H13 108.449
H12 C10 H13 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability