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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-323.463466
Energy at 298.15K-323.472420
Nuclear repulsion energy244.824109
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/6-311G**
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 3626 3593 37.30      
2 A 3508 3476 13.48      
3 A 3069 3041 20.26      
4 A 3061 3033 19.18      
5 A 2985 2958 14.95      
6 A 2972 2945 27.22      
7 A 2912 2886 44.66      
8 A 1798 1782 452.30      
9 A 1572 1558 126.90      
10 A 1471 1458 1.35      
11 A 1452 1439 5.06      
12 A 1432 1419 7.85      
13 A 1376 1364 5.11      
14 A 1352 1340 27.62      
15 A 1283 1271 316.22      
16 A 1262 1250 7.14      
17 A 1135 1125 4.80      
18 A 1116 1106 10.43      
19 A 1064 1054 29.66      
20 A 1041 1031 127.61      
21 A 958 949 30.97      
22 A 829 821 15.28      
23 A 814 806 1.37      
24 A 739 732 21.46      
25 A 557 551 16.76      
26 A 534 529 2.48      
27 A 513 509 62.97      
28 A 372 369 20.49      
29 A 354 351 119.65      
30 A 254 252 0.34      
31 A 210 208 2.80      
32 A 111 110 0.99      
33 A 86 85 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 22907.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22699.0 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/6-311G**
ABC
0.29020 0.07012 0.05784

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.568 -0.247 0.043
H2 2.707 -0.869 -0.853
H3 3.391 0.481 0.095
H4 2.618 -0.897 0.928
C5 1.233 0.473 -0.010
H6 1.082 1.094 0.891
H7 1.188 1.129 -0.902
O8 0.202 -0.533 -0.088
N9 -1.391 1.171 0.073
H10 -0.737 1.856 -0.290
H11 -2.374 1.399 -0.032
C12 -1.125 -0.184 -0.010
O13 -1.976 -1.047 0.027

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.09921.10061.09911.51752.17372.16552.38634.20523.93125.20933.69304.6135
H21.09921.78601.78272.16443.08792.51032.64044.67054.42765.62453.98224.7678
H31.10061.78601.78612.16102.51842.50403.35164.83214.36845.83974.56585.5811
H41.09911.78271.78612.16212.51493.08162.64564.59124.50765.57793.92334.6838
C51.51752.16442.16102.16211.10451.10801.44272.71652.42323.72422.44743.5511
H62.17373.08792.51842.51491.10451.79662.09292.60602.29903.59052.70473.8321
H72.16552.51032.50403.08161.10801.79662.09682.75752.14663.67682.80473.9504
O82.38632.64043.35162.64561.44272.09292.09682.33852.57533.22071.37382.2408
N94.20524.67054.83214.59122.71652.60602.75752.33851.01491.01471.38392.2947
H103.93124.42764.36844.50762.42322.29902.14662.57531.01491.71982.09603.1729
H115.20935.62455.83975.57793.72423.59053.67683.22071.01471.71982.01712.4790
C123.69303.98224.56583.92332.44742.70472.80471.37381.38392.09602.01711.2128
O134.61354.76785.58114.68383.55113.83213.95042.24082.29473.17292.47901.2128

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.015 C1 C5 H7 110.153
C1 C5 O8 107.411 H2 C1 H3 108.563
H2 C1 H4 108.377 H2 C1 C5 110.597
H3 C1 H4 108.581 H3 C1 C5 110.246
H4 C1 C5 110.416 C5 O8 C12 120.649
H6 C5 H7 108.585 H6 C5 O8 109.786
H7 C5 O8 109.884 O8 C12 N9 115.982
O8 C12 O13 119.927 N9 C12 O13 124.044
H10 N9 H11 115.853 H10 N9 C12 121.033
H11 N9 C12 113.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 H 0.139      
3 H 0.122      
4 H 0.141      
5 C -0.118      
6 H 0.135      
7 H 0.116      
8 O -0.279      
9 N -0.446      
10 H 0.219      
11 H 0.231      
12 C 0.407      
13 O -0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.229 4.218 -0.587 4.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.653 -5.749 0.937
y -5.749 -35.971 -1.376
z 0.937 -1.376 -36.374
Traceless
 xyz
x 0.519 -5.749 0.937
y -5.749 0.043 -1.376
z 0.937 -1.376 -0.562
Polar
3z2-r2-1.124
x2-y20.318
xy-5.749
xz0.937
yz-1.376


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.512 0.256 -0.073
y 0.256 7.469 -0.073
z -0.073 -0.073 5.318


<r2> (average value of r2) Å2
<r2> 193.932
(<r2>)1/2 13.926