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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-303.182555
Energy at 298.15K-303.192931
HF Energy-302.146594
Nuclear repulsion energy248.476136
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 QCISD/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 3644 3482 19.79      
2 A 3183 3041 15.02      
3 A 3139 2999 9.97      
4 A 3060 2923 5.52      
5 A 1800 1719 266.67      
6 A 1553 1483 15.73      
7 A 1522 1454 0.50      
8 A 1507 1439 9.21      
9 A 1491 1424 2.97      
10 A 1230 1175 0.00      
11 A 1198 1144 0.00      
12 A 1169 1117 8.95      
13 A 942 900 0.12      
14 A 594 568 141.44      
15 A 469 448 20.30      
16 A 229 219 3.50      
17 A 202 193 1.21      
18 A 131 125 0.81      
19 B 3642 3479 9.69      
20 B 3183 3041 8.26      
21 B 3139 2999 50.56      
22 B 3059 2923 96.28      
23 B 1585 1514 320.60      
24 B 1538 1469 3.41      
25 B 1515 1447 57.68      
26 B 1495 1428 7.05      
27 B 1291 1233 223.90      
28 B 1186 1133 40.67      
29 B 1175 1123 2.49      
30 B 1058 1010 1.93      
31 B 780 745 57.38      
32 B 753 719 7.96      
33 B 533 510 91.34      
34 B 329 314 36.30      
35 B 152 145 0.81      
36 B 123 118 6.19      

Unscaled Zero Point Vibrational Energy (zpe) 26798.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 25600.8 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 QCISD/TZVP
ABC
0.32686 0.07279 0.06119

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.093
O2 0.000 0.000 1.311
N3 0.000 1.159 -0.668
N4 0.000 -1.159 -0.668
C5 -0.286 2.411 0.022
C6 0.286 -2.411 0.022
H7 -0.456 1.060 -1.562
H8 0.456 -1.060 -1.562
H9 -0.145 3.232 -0.681
H10 0.145 -3.232 -0.681
H11 0.411 2.528 0.848
H12 -0.411 -2.528 0.848
H13 -1.303 2.447 0.424
H14 1.303 -2.447 0.424

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21771.38681.38682.42912.42912.01802.01803.32673.32672.67062.67062.79182.7918
O21.21772.29352.29352.74902.74903.09623.09623.79933.79932.60302.60302.91062.9106
N31.38682.29352.31811.45803.64751.00842.43562.07824.39362.08424.00822.13293.9866
N41.38682.29352.31813.64751.45802.43561.00844.39362.07824.00822.08423.98662.1329
C52.42912.74901.45803.64754.85602.08883.88711.09005.70311.08775.00971.09425.1270
C62.42912.74903.64751.45804.85603.88712.08885.70311.09005.00971.08775.12701.0942
H72.01803.09621.00842.43562.08883.88712.30812.36454.42292.95264.32322.56614.3975
H82.01803.09622.43561.00843.88712.08882.30814.42292.36454.32322.95264.39752.5661
H93.32673.79932.07824.39361.09005.70312.36454.42296.47081.77285.96601.78305.9638
H103.32673.79934.39362.07825.70311.09004.42292.36456.47085.96601.77285.96381.7830
H112.67062.60302.08424.00821.08775.00972.95264.32321.77285.96605.12321.76815.0722
H122.67062.60304.00822.08425.00971.08774.32322.95265.96601.77285.12325.07221.7681
H132.79182.91062.13293.98661.09425.12702.56614.39751.78305.96381.76815.07225.5444
H142.79182.91063.98662.13295.12701.09424.39752.56615.96381.78305.07221.76815.5444

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 117.245 C1 N3 H7 113.882
C1 N4 C6 117.245 C1 N4 H8 113.882
O2 C1 N3 123.303 O2 C1 N4 123.303
N3 C1 N4 113.393 N3 C5 H9 108.436
N3 C5 H11 109.048 N3 C5 H13 112.601
N4 C6 H10 108.436 N4 C6 H12 109.048
N4 C6 H14 112.601 C5 N3 H7 114.522
C6 N4 H8 114.522 H9 C5 H11 108.999
H9 C5 H13 109.438 H10 C6 H12 108.999
H10 C6 H14 109.438 H11 C5 H13 108.262
H12 C6 H14 108.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability