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All results from a given calculation for C4H5N ((E)-2-Butenenitrile)

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-209.545927
Energy at 298.15K-209.550301
HF Energy-208.817971
Nuclear repulsion energy137.900737
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=FULL/6-31+G**
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' 3259 3061 4.86      
2 A' 3244 3047 9.11      
3 A' 3224 3028 6.90      
4 A' 3118 2928 13.79      
5 A' 2195 2061 0.12      
6 A' 1727 1622 5.70      
7 A' 1537 1443 14.55      
8 A' 1459 1370 2.22      
9 A' 1359 1276 0.25      
10 A' 1342 1260 1.04      
11 A' 1165 1095 0.00      
12 A' 1057 993 5.14      
13 A' 932 875 6.17      
14 A' 552 518 0.00      
15 A' 393 369 0.98      
16 A' 175 164 4.15      
17 A" 3202 3007 8.05      
18 A" 1518 1425 8.58      
19 A" 1086 1020 1.99      
20 A" 995 935 48.61      
21 A" 782 734 0.65      
22 A" 449 422 3.22      
23 A" 190 179 1.63      
24 A" 169 158 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17563.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 16495.9 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 MP2=FULL/6-31+G**
ABC
1.27128 0.07604 0.07271

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.636 0.462 0.000
H2 2.653 -1.074 0.877
H3 2.653 -1.074 -0.877
C4 2.261 -0.559 0.000
H5 0.286 -1.560 0.000
C6 0.769 -0.589 0.000
H7 0.441 1.504 0.000
C8 0.000 0.515 0.000
N9 -2.611 0.409 0.000
C10 -1.429 0.447 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76871.76871.08793.09992.14192.42962.63625.24734.0643
H21.76871.75441.08982.57062.13373.50823.21415.53904.4432
H31.76871.75441.08982.57062.13373.50823.21415.53904.4432
C41.08791.08981.08982.21401.49202.75142.50314.96763.8244
H53.09992.57062.57062.21401.08493.06822.09453.50322.6402
C62.14192.13372.13371.49201.08492.11851.34523.52482.4299
H72.42963.50823.50822.75143.06822.11851.08313.24282.1474
C82.63623.21413.21412.50312.09451.34521.08312.61351.4301
N95.24735.53905.53904.96763.50323.52483.24282.61351.1834
C104.06434.44324.44323.82442.64022.42992.14741.43011.1834

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.617 H1 C4 H3 108.617
H1 C4 C6 111.279 H2 C4 H3 107.203
H2 C4 C6 110.503 H3 C4 C6 110.503
C4 C6 H5 117.577 C4 C6 C8 123.749
H5 C6 C8 118.674 C6 C8 H7 121.101
C6 C8 C10 122.185 H7 C8 C10 116.714
C8 C10 N9 179.174
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability