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 C3H7ONO (Propyl nitrite)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-323.278944
Energy at 298.15K 
HF Energy-323.278944
Nuclear repulsion energy231.414331
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 PBEPBE/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' 3074 3032 23.51      
2 A' 2993 2952 35.15      
3 A' 2984 2943 15.71      
4 A' 2963 2922 23.40      
5 A' 1714 1690 239.32      
6 A' 1479 1459 10.50      
7 A' 1467 1447 1.48      
8 A' 1457 1437 3.01      
9 A' 1379 1360 3.66      
10 A' 1364 1345 17.32      
11 A' 1284 1267 15.22      
12 A' 1128 1113 2.55      
13 A' 1043 1028 9.12      
14 A' 1020 1006 13.23      
15 A' 906 894 61.59      
16 A' 793 782 320.82      
17 A' 601 593 78.40      
18 A' 361 356 0.66      
19 A' 336 332 4.45      
20 A' 147 145 0.30      
21 A" 3062 3020 49.61      
22 A" 3036 2994 10.53      
23 A" 3009 2967 12.78      
24 A" 1467 1447 7.54      
25 A" 1279 1262 0.01      
26 A" 1224 1207 0.11      
27 A" 1143 1127 0.29      
28 A" 868 856 1.40      
29 A" 742 732 3.17      
30 A" 237 234 0.02      
31 A" 213 210 0.90      
32 A" 96 94 1.03      
33 A" 83i 81i 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 22392.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 22085.5 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 PBEPBE/6-31G**
ABC
0.70564 0.04420 0.04260

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.907 2.252 0.000
C2 -1.513 0.771 0.000
C3 0.000 0.584 0.000
O4 0.262 -0.841 0.000
N5 1.705 -1.073 0.000
O6 1.935 -2.241 0.000
H7 -3.002 2.367 0.000
H8 -1.517 2.774 0.890
H9 -1.517 2.774 -0.890
H10 -1.933 0.262 -0.885
H11 -1.933 0.262 0.885
H12 0.458 1.044 0.895
H13 0.458 1.044 -0.895

Atom - Atom Distances (Å)
  C1 C2 C3 O4 N5 O6 H7 H8 H9 H10 H11 H12 H13
C11.53302.53443.77864.90985.91181.10091.10311.10312.17822.17822.80242.8024
C21.53301.52432.39793.70864.57782.18342.19162.19161.10401.10402.18112.1811
C32.53441.52431.44872.37713.42343.49232.80912.80912.15022.15021.10551.1055
O43.77862.39791.44871.46112.18084.57744.12644.12642.61152.61152.09612.0961
N54.90983.70862.37711.46111.19015.83055.09625.09623.97503.97502.61522.6152
O65.91184.57783.42342.18081.19016.75356.15256.15254.69124.69123.71123.7112
H71.10092.18343.49234.57745.83056.75351.77861.77862.52162.52163.81083.8108
H81.10312.19162.80914.12645.09626.15251.77861.78043.10362.54602.62503.1744
H91.10312.19162.80914.12645.09626.15251.77861.78042.54603.10363.17442.6250
H102.17821.10402.15022.61153.97504.69122.52163.10362.54601.76953.08132.5154
H112.17821.10402.15022.61153.97504.69122.52162.54603.10361.76952.51543.0813
H122.80242.18111.10552.09612.61523.71123.81082.62503.17443.08132.51541.7897
H132.80242.18111.10552.09612.61523.71123.81083.17442.62502.51543.08131.7897

picture of Propyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.987 C1 C2 H10 110.333
C1 C2 H11 110.333 C2 C1 H7 110.921
C2 C1 H8 111.449 C2 C1 H9 111.449
C2 C3 O4 107.494 C2 C3 H12 111.066
C2 C3 H13 111.066 C3 C2 H10 108.740
C3 C2 H11 108.740 C3 O4 N5 109.555
O4 C3 H12 109.563 O4 C3 H13 109.563
O4 N5 O6 110.265 H7 C1 H8 107.610
H7 C1 H9 107.610 H8 C1 H9 107.612
H10 C2 H11 106.537 H12 C3 H13 108.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.376      
2 C -0.245      
3 C 0.024      
4 O -0.346      
5 N 0.249      
6 O -0.212      
7 H 0.132      
8 H 0.127      
9 H 0.127      
10 H 0.135      
11 H 0.135      
12 H 0.125      
13 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.263 2.247 0.000 2.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.087 1.136 0.000
y 1.136 -38.531 0.000
z 0.000 0.000 -34.633
Traceless
 xyz
x -0.505 1.136 0.000
y 1.136 -2.671 0.000
z 0.000 0.000 3.176
Polar
3z2-r26.353
x2-y21.444
xy1.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.471 -2.469 0.000
y -2.469 8.710 0.000
z 0.000 0.000 5.615


<r2> (average value of r2) Å2
<r2> 248.864
(<r2>)1/2 15.775

Conformer 2 (C1)

Jump to S1C1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-323.281867
Energy at 298.15K-323.290690
HF Energy-323.281867
Nuclear repulsion energy238.594078
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 PBEPBE/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 3076 3034 22.16      
2 A 3066 3024 31.48      
3 A 3029 2988 24.66      
4 A 3020 2979 15.33      
5 A 2988 2947 20.49      
6 A 2980 2939 20.97      
7 A 2965 2924 26.62      
8 A 1725 1702 262.68      
9 A 1471 1451 6.82      
10 A 1464 1444 7.37      
11 A 1442 1422 0.27      
12 A 1439 1419 4.90      
13 A 1377 1359 6.77      
14 A 1350 1332 10.93      
15 A 1334 1315 5.88      
16 A 1265 1248 1.67      
17 A 1248 1231 6.26      
18 A 1148 1132 3.49      
19 A 1085 1070 3.58      
20 A 1054 1040 16.12      
21 A 973 960 8.78      
22 A 903 890 39.99      
23 A 860 848 2.96      
24 A 794 783 196.14      
25 A 744 734 82.41      
26 A 552 544 53.72      
27 A 428 422 20.35      
28 A 363 358 2.34      
29 A 277 273 1.56      
30 A 236 233 1.16      
31 A 185 182 0.33      
32 A 104 103 0.78      
33 A 63 62 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 22503.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 22195.1 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 PBEPBE/6-31G**
ABC
0.24853 0.06653 0.05715

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.212 -0.928 0.183
C2 -1.779 0.458 -0.313
C3 -0.419 0.900 0.221
O4 0.575 -0.025 -0.295
N5 1.819 0.209 0.320
O6 2.614 -0.559 -0.144
H7 -3.201 -1.200 -0.217
H8 -2.275 -0.954 1.284
H9 -1.493 -1.700 -0.132
H10 -1.748 0.478 -1.416
H11 -2.515 1.221 -0.004
H12 -0.163 1.919 -0.114
H13 -0.390 0.874 1.324

Atom - Atom Distances (Å)
  C1 C2 C3 O4 N5 O6 H7 H8 H9 H10 H11 H12 H13
C11.53492.56042.96854.19024.85081.10111.10281.10052.17932.17923.52072.8049
C21.53491.52572.40323.66154.51222.18662.18842.18421.10381.10452.18762.1864
C32.56041.52571.45292.34473.38563.51242.83012.83422.15012.13241.10351.1042
O42.96852.40321.45291.40722.11293.95553.38852.66602.62833.34522.08762.0892
N54.19023.66152.34471.40721.19885.24144.36393.84883.97644.46282.65362.5167
O64.85084.51223.38562.11291.19885.85055.10884.26214.66085.43143.72213.6384
H71.10112.18663.51243.95555.24145.85051.78031.78182.52252.52554.35553.8178
H81.10282.18842.83013.38854.36395.10881.78031.78133.10092.53933.83032.6258
H91.10052.18422.83422.66603.84884.26211.78181.78132.54083.09753.85553.1559
H102.17931.10382.15012.62833.97644.66082.52253.10092.54081.77012.50723.0838
H112.17921.10452.13243.34524.46285.43142.52552.53933.09751.77012.45632.5300
H123.52072.18761.10352.08762.65363.72214.35553.83033.85552.50722.45631.7927
H132.80492.18641.10422.08922.51673.63843.81782.62583.15593.08382.53001.7927

picture of Propyl nitrite state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.558 C1 C2 H10 110.292
C1 C2 H11 110.240 C2 C1 H7 111.028
C2 C1 H8 111.069 C2 C1 H9 110.877
C2 C3 O4 107.554 C2 C3 H12 111.613
C2 C3 H13 111.475 C3 C2 H10 108.651
C3 C2 H11 107.253 C3 O4 N5 110.119
O4 C3 H12 108.725 O4 C3 H13 108.813
O4 N5 O6 108.083 H7 C1 H8 107.766
H7 C1 H9 108.063 H8 C1 H9 107.899
H10 C2 H11 106.564 H12 C3 H13 108.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.371      
2 C -0.229      
3 C -0.005      
4 O -0.324      
5 N 0.242      
6 O -0.205      
7 H 0.126      
8 H 0.124      
9 H 0.135      
10 H 0.133      
11 H 0.121      
12 H 0.128      
13 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.091 -0.686 0.661 2.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.576 0.216 -0.573
y 0.216 -34.602 -0.799
z -0.573 -0.799 -36.575
Traceless
 xyz
x -1.987 0.216 -0.573
y 0.216 2.473 -0.799
z -0.573 -0.799 -0.486
Polar
3z2-r2-0.971
x2-y2-2.973
xy0.216
xz-0.573
yz-0.799


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.696 -1.255 -0.032
y -1.255 6.902 0.001
z -0.032 0.001 5.941


<r2> (average value of r2) Å2
<r2> 197.811
(<r2>)1/2 14.065