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 C3H7NO (Propanamide)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-248.218989
Energy at 298.15K-248.226974
Nuclear repulsion energy177.422216
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 PBEPBEultrafine/6-31G*
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 3627 3567 20.79      
2 A 3498 3440 16.77      
3 A 3092 3041 13.67      
4 A 3074 3023 26.16      
5 A 3009 2959 20.47      
6 A 3001 2951 23.80      
7 A 2967 2918 19.09      
8 A 1758 1729 232.11      
9 A 1591 1565 95.17      
10 A 1488 1463 9.48      
11 A 1475 1450 7.83      
12 A 1447 1423 5.16      
13 A 1384 1361 5.89      
14 A 1371 1348 68.62      
15 A 1267 1246 50.24      
16 A 1253 1233 30.94      
17 A 1100 1082 2.37      
18 A 1073 1055 0.47      
19 A 1043 1026 2.04      
20 A 989 972 3.52      
21 A 799 786 10.34      
22 A 773 760 4.84      
23 A 649 639 5.44      
24 A 589 579 13.57      
25 A 492 484 6.83      
26 A 422 415 2.78      
27 A 254 249 10.28      
28 A 218 214 209.76      
29 A 200 197 11.70      
30 A 43 42 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 21971.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 21608.9 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 PBEPBEultrafine/6-31G*
ABC
0.31385 0.12556 0.09491

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.598 -0.066 -0.155
H2 -1.753 -1.589 -0.064
N3 -1.718 -0.578 -0.170
O4 -0.552 1.368 0.088
C5 -0.562 0.136 0.047
H6 0.755 -0.987 1.306
H7 0.601 -1.672 -0.319
C8 0.698 -0.718 0.233
H9 2.869 -0.538 0.078
H10 1.974 0.223 -1.269
H11 2.000 1.013 0.322
C12 1.964 0.035 -0.182

Atom - Atom Distances (Å)
  H1 H2 N3 O4 C5 H6 H7 C8 H9 H10 H11 C12
H11.74401.01812.51032.05583.77143.58343.38265.49224.71524.74694.5630
H21.74401.01683.19512.09942.92062.36962.61864.74224.31624.58324.0580
N31.01811.01682.28351.37642.90892.56872.45414.59413.93544.07433.7329
O42.51033.19512.28351.23212.95573.27602.43603.91553.08722.58672.8594
C52.05582.09941.37641.23212.14032.18091.53413.49682.85902.72192.5384
H63.77142.92062.90892.95572.14031.77021.10802.48583.09542.55312.1728
H73.58342.36962.56873.27602.18091.77021.10612.56632.52553.09442.1883
C83.38262.61862.45412.43601.53411.10801.10612.18342.18362.16761.5298
H95.49224.74224.59413.91553.49682.48582.56632.18341.78691.79451.1024
H104.71524.31623.93543.08722.85903.09542.52552.18361.78691.77651.1028
H114.74694.58324.07432.58672.72192.55313.09442.16761.79451.77651.1010
C124.56304.05803.73292.85942.53842.17282.18831.52981.10241.10281.1010

picture of Propanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 117.976 H1 N3 C5 117.532
H2 N3 C5 121.898 N3 C5 O4 122.087
N3 C5 C8 114.850 O4 C5 C8 123.063
C5 C8 H6 107.103 C5 C8 H7 110.339
C5 C8 C12 111.885 H6 C8 H7 106.167
H6 C8 C12 109.888 H7 C8 C12 111.217
C8 C12 H9 111.050 C8 C12 H10 111.048
C8 C12 H11 109.885 H9 C12 H10 108.260
H9 C12 H11 109.062 H10 C12 H11 107.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.336      
2 H 0.329      
3 N -0.723      
4 O -0.468      
5 C 0.554      
6 H 0.181      
7 H 0.153      
8 C -0.392      
9 H 0.152      
10 H 0.168      
11 H 0.189      
12 C -0.478      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.981 -3.355 0.251 3.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.011 2.743 -0.020
y 2.743 -32.211 -0.518
z -0.020 -0.518 -31.099
Traceless
 xyz
x 6.644 2.743 -0.020
y 2.743 -4.156 -0.518
z -0.020 -0.518 -2.488
Polar
3z2-r2-4.976
x2-y27.200
xy2.743
xz-0.020
yz-0.518


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.468 0.350 0.229
y 0.350 6.705 0.039
z 0.229 0.039 4.472


<r2> (average value of r2) Å2
<r2> 128.874
(<r2>)1/2 11.352