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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-248.793575
Energy at 298.15K-248.800346
HF Energy-247.917541
Nuclear repulsion energy199.562099
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/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 A 3245 3076 2.62      
2 A 3201 3034 9.36      
3 A 3182 3016 22.73      
4 A 3177 3012 21.83      
5 A 3149 2985 0.56      
6 A 3089 2928 17.54      
7 A 3085 2924 19.99      
8 A 2195 2081 0.44      
9 A 1687 1599 2.03      
10 A 1523 1444 5.53      
11 A 1522 1443 7.98      
12 A 1504 1425 3.66      
13 A 1440 1365 2.10      
14 A 1431 1356 0.64      
15 A 1358 1288 1.72      
16 A 1310 1242 0.08      
17 A 1269 1203 0.32      
18 A 1156 1096 0.46      
19 A 1109 1051 4.65      
20 A 1048 994 3.37      
21 A 972 921 2.88      
22 A 954 904 0.32      
23 A 879 833 2.93      
24 A 817 775 4.77      
25 A 752 713 38.49      
26 A 659 625 1.40      
27 A 541 513 0.40      
28 A 390 369 0.25      
29 A 352 334 0.18      
30 A 247 234 0.21      
31 A 205 194 3.31      
32 A 148 141 4.15      
33 A 50 48 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 23822.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 22581.5 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/TZVP
ABC
0.24344 0.06903 0.05847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.758 -0.067 -0.078
N2 -2.476 -0.985 -0.063
C3 -0.926 1.002 -0.088
H4 -1.325 1.955 -0.279
C5 0.403 0.892 0.141
H6 0.979 1.775 0.107
C7 1.092 -0.377 0.412
H8 0.486 -1.211 0.078
H9 1.261 -0.466 1.488
C10 2.453 -0.425 -0.304
H11 2.302 -0.344 -1.379
H12 3.082 0.397 0.026
H13 2.958 -1.367 -0.094

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.16571.35462.07772.37413.30362.90842.52313.42434.23174.27234.86324.8912
N21.16572.52033.16473.44294.42493.65072.97364.07954.96624.99715.72805.4470
C31.35462.52031.05071.35312.06472.49552.63033.07023.67413.72834.05544.5491
H42.07773.16471.05072.07182.34303.42983.66493.95944.46514.43344.68495.4232
C52.37413.44291.35312.07181.05421.47012.10582.09732.47662.72872.72723.4182
H63.30364.42492.06472.34301.05422.17673.02622.64792.67922.90672.51613.7181
C72.90843.65072.49553.42981.47012.17671.08361.09291.53812.16182.16982.1712
H82.52312.97362.63033.66492.10583.02621.08361.77322.15252.48463.05422.4827
H93.42434.07953.07023.95942.09732.64791.09291.77322.15263.05292.48972.4883
C104.23174.96623.67414.46512.47662.67921.53812.15252.15261.08861.08601.0892
H114.27234.99713.72834.43342.72872.90672.16182.48463.05291.08861.76991.7682
H124.86325.72804.05544.68492.72722.51612.16983.05422.48971.08601.76991.7716
H134.89125.44704.54915.42323.41823.71812.17122.48272.48831.08921.76821.7716

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 118.951 C1 C3 C5 122.521
N2 C1 C3 179.690 C3 C5 H6 117.582
C3 C5 C7 124.194 H4 C3 C5 118.528
C5 C7 H8 110.176 C5 C7 H9 108.940
C5 C7 C10 110.806 H6 C5 C7 118.217
C7 C10 H11 109.581 C7 C10 H12 110.364
C7 C10 H13 110.283 H8 C7 H9 109.116
H8 C7 C10 109.148 H9 C7 C10 108.620
H11 C10 H12 108.949 H11 C10 H13 108.564
H12 C10 H13 109.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability